Navodaya Vidyalaya class 9 JNV Selection Mock Test

Result

JNV Selection Mock Test - 1

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Weekly Quiz Competition

Question 1
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निम्नलिखित में से व्यक्तिवाचक संज्ञा कौन-सी है?

A
पर्वत

B
सोना

C
गंगा

D
मनुष्य

Solution

जिस संज्ञा शब्द से किसी विशेष व्यक्ति, वस्तु, स्थान आदि का बोध होता है, उसे व्यक्तिवाचक संज्ञा कहते हैं। अत: 'गंगा' व्यक्तिवाचक संज्ञा है।
Question 2
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'आँखों का तारा' मुहावरे का अर्थ है-

A
बहुत प्यारा

B
बहुत तरक्की करना

C
बहुत प्रसन्न होना

D
बहुत अभिमान करना

Solution

'आँखों का तारा' का अर्थ 'बहुत प्यारा' है।
Question 3
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पति-पत्नी का जोड़ा क्या कहलाता है?

A
दम्पति

B
युगल

C
जोड़ा

D
संघ

Solution

पति-पत्नी का जोड़ा 'दम्पति' कहलाता है।
Question 4
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'चौथ का चंदा होना' मुहावरे का अर्थ है-

A
बहुत प्रिय होना

B
किसी के लिए शुभ होना

C
लुप्त होना

D
बहुत सुंदर होना

Solution

'चौथ का चंदा होना' मुहावरे का अर्थ 'किसी के लिए शुभ होना' है।
Question 5
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Directions For Questions

बाघ जंगल में रहने वाला मांसाहारी पशु है। यह अपनी प्रजाति में सबसे बड़ा और ताकतवर पशु है। यह तिब्बत, श्रीलंका और अंडमान निकोबार द्वीप-समूह को छोड़कर एशिया के अन्य सभी भागों में पाया जाता है। यह भारत, नेपाल, भूटान, कोरिया, अफगानिस्तान और इंडोनेशिया में अधिक संख्या में पाया जाता है। इसके शरीर का रंग लाल और पीले का मिश्रण है। इस पर काले रंग की पट्टी पायी जाती है। वक्ष के भीतरी भाग और पाँव का रंग सफेद होता है। बाघ 13 फीट लम्बा और 300 किलो वजनी हो सकता है। बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है। यह भारत का राष्ट्रीय पशु भी है।
इसे वन, दलदली क्षेत्र तथा घास के मैदानों के पास रहना पसंद है। इसका आहार मुख्य रूप से सांभर, चीतल, जंगली सूअर, भैंसे जंगली हिरण, गौर और मनुष्य के पालतू पशु हैं। अपने बड़े वज़न और ताकत के अलावा बाघ अपनी धारियों से पहचाना जा सकता है। बाघ की सुनने, सूँघने और देखने की क्षमता तीव्र होती है। बाघ अक्सर पीछे से हमला करता है। धारीदार शरीर के कारण शिकार का पीछा करते समय वह झाड़ियों के बीच इस प्रकार छिपा रहता है कि शिकार उसे देख ही नहीं पाता। भारत समेत बांग्लादेश, मलेशिया और साउथ कोरिया का राष्ट्रीय पशु बाघ है।

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बाघ के शरीर में कौन-कौन सा रंग होता है ?

A
लाल, पीला

B
लाल, पीला, काला

C
केवल लाल

D
केवल पीला

Solution

बाघ के शरीर का रंग लाल,पीला, काला होता है।
Question 6
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Directions For Questions

बाघ जंगल में रहने वाला मांसाहारी पशु है। यह अपनी प्रजाति में सबसे बड़ा और ताकतवर पशु है। यह तिब्बत, श्रीलंका और अंडमान निकोबार द्वीप-समूह को छोड़कर एशिया के अन्य सभी भागों में पाया जाता है। यह भारत, नेपाल, भूटान, कोरिया, अफगानिस्तान और इंडोनेशिया में अधिक संख्या में पाया जाता है। इसके शरीर का रंग लाल और पीले का मिश्रण है। इस पर काले रंग की पट्टी पायी जाती है। वक्ष के भीतरी भाग और पाँव का रंग सफेद होता है। बाघ 13 फीट लम्बा और 300 किलो वजनी हो सकता है। बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है। यह भारत का राष्ट्रीय पशु भी है।
इसे वन, दलदली क्षेत्र तथा घास के मैदानों के पास रहना पसंद है। इसका आहार मुख्य रूप से सांभर, चीतल, जंगली सूअर, भैंसे जंगली हिरण, गौर और मनुष्य के पालतू पशु हैं। अपने बड़े वज़न और ताकत के अलावा बाघ अपनी धारियों से पहचाना जा सकता है। बाघ की सुनने, सूँघने और देखने की क्षमता तीव्र होती है। बाघ अक्सर पीछे से हमला करता है। धारीदार शरीर के कारण शिकार का पीछा करते समय वह झाड़ियों के बीच इस प्रकार छिपा रहता है कि शिकार उसे देख ही नहीं पाता। भारत समेत बांग्लादेश, मलेशिया और साउथ कोरिया का राष्ट्रीय पशु बाघ है।

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निम्नलिखित में से कौन सा कथन सत्य नहीं है?

A
बाघ वन, दलदली क्षेत्र तथा घास के मैदानों के पास रहना पसंद है।

B
बाघ की सुनने, सूँघने और देखने की क्षमता तीव्र होती है।

C
बाघ झुंड में रहना पसंद करता है।

D
बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है।

Solution

बाघ झुंड में रहना पसंद करता है, यह कथन सत्य नहीं है।
Question 7
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Directions For Questions

बाघ जंगल में रहने वाला मांसाहारी पशु है। यह अपनी प्रजाति में सबसे बड़ा और ताकतवर पशु है। यह तिब्बत, श्रीलंका और अंडमान निकोबार द्वीप-समूह को छोड़कर एशिया के अन्य सभी भागों में पाया जाता है। यह भारत, नेपाल, भूटान, कोरिया, अफगानिस्तान और इंडोनेशिया में अधिक संख्या में पाया जाता है। इसके शरीर का रंग लाल और पीले का मिश्रण है। इस पर काले रंग की पट्टी पायी जाती है। वक्ष के भीतरी भाग और पाँव का रंग सफेद होता है। बाघ 13 फीट लम्बा और 300 किलो वजनी हो सकता है। बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है। यह भारत का राष्ट्रीय पशु भी है।
इसे वन, दलदली क्षेत्र तथा घास के मैदानों के पास रहना पसंद है। इसका आहार मुख्य रूप से सांभर, चीतल, जंगली सूअर, भैंसे जंगली हिरण, गौर और मनुष्य के पालतू पशु हैं। अपने बड़े वज़न और ताकत के अलावा बाघ अपनी धारियों से पहचाना जा सकता है। बाघ की सुनने, सूँघने और देखने की क्षमता तीव्र होती है। बाघ अक्सर पीछे से हमला करता है। धारीदार शरीर के कारण शिकार का पीछा करते समय वह झाड़ियों के बीच इस प्रकार छिपा रहता है कि शिकार उसे देख ही नहीं पाता। भारत समेत बांग्लादेश, मलेशिया और साउथ कोरिया का राष्ट्रीय पशु बाघ है।

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बाघ को कौन से क्षेत्रों के पास रहना पसंद है?

A
वनों

B
दलदली क्षेत्रों

C
घास के मैदानों

D
उपरोक्त सभी

Solution

बाघ को उपरोक्त सभी क्षेत्रों में रहना पसंद है।
Question 8
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Directions For Questions

बाघ जंगल में रहने वाला मांसाहारी पशु है। यह अपनी प्रजाति में सबसे बड़ा और ताकतवर पशु है। यह तिब्बत, श्रीलंका और अंडमान निकोबार द्वीप-समूह को छोड़कर एशिया के अन्य सभी भागों में पाया जाता है। यह भारत, नेपाल, भूटान, कोरिया, अफगानिस्तान और इंडोनेशिया में अधिक संख्या में पाया जाता है। इसके शरीर का रंग लाल और पीले का मिश्रण है। इस पर काले रंग की पट्टी पायी जाती है। वक्ष के भीतरी भाग और पाँव का रंग सफेद होता है। बाघ 13 फीट लम्बा और 300 किलो वजनी हो सकता है। बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है। यह भारत का राष्ट्रीय पशु भी है।
इसे वन, दलदली क्षेत्र तथा घास के मैदानों के पास रहना पसंद है। इसका आहार मुख्य रूप से सांभर, चीतल, जंगली सूअर, भैंसे जंगली हिरण, गौर और मनुष्य के पालतू पशु हैं। अपने बड़े वज़न और ताकत के अलावा बाघ अपनी धारियों से पहचाना जा सकता है। बाघ की सुनने, सूँघने और देखने की क्षमता तीव्र होती है। बाघ अक्सर पीछे से हमला करता है। धारीदार शरीर के कारण शिकार का पीछा करते समय वह झाड़ियों के बीच इस प्रकार छिपा रहता है कि शिकार उसे देख ही नहीं पाता। भारत समेत बांग्लादेश, मलेशिया और साउथ कोरिया का राष्ट्रीय पशु बाघ है।

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निम्नलिखित कौनसे देश का राष्ट्रीय पशु बाघ है?

A
मलेशिया

B
अफगानिस्तान

C
चीन

D
ईरान

Solution

मलेशिया देश का राष्ट्रिय पशु बाघ है।
Question 9
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Directions For Questions

बाघ जंगल में रहने वाला मांसाहारी पशु है। यह अपनी प्रजाति में सबसे बड़ा और ताकतवर पशु है। यह तिब्बत, श्रीलंका और अंडमान निकोबार द्वीप-समूह को छोड़कर एशिया के अन्य सभी भागों में पाया जाता है। यह भारत, नेपाल, भूटान, कोरिया, अफगानिस्तान और इंडोनेशिया में अधिक संख्या में पाया जाता है। इसके शरीर का रंग लाल और पीले का मिश्रण है। इस पर काले रंग की पट्टी पायी जाती है। वक्ष के भीतरी भाग और पाँव का रंग सफेद होता है। बाघ 13 फीट लम्बा और 300 किलो वजनी हो सकता है। बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है। यह भारत का राष्ट्रीय पशु भी है।
इसे वन, दलदली क्षेत्र तथा घास के मैदानों के पास रहना पसंद है। इसका आहार मुख्य रूप से सांभर, चीतल, जंगली सूअर, भैंसे जंगली हिरण, गौर और मनुष्य के पालतू पशु हैं। अपने बड़े वज़न और ताकत के अलावा बाघ अपनी धारियों से पहचाना जा सकता है। बाघ की सुनने, सूँघने और देखने की क्षमता तीव्र होती है। बाघ अक्सर पीछे से हमला करता है। धारीदार शरीर के कारण शिकार का पीछा करते समय वह झाड़ियों के बीच इस प्रकार छिपा रहता है कि शिकार उसे देख ही नहीं पाता। भारत समेत बांग्लादेश, मलेशिया और साउथ कोरिया का राष्ट्रीय पशु बाघ है।

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बाघ का वैज्ञानिक नाम क्या है?

A
पेंथेरा टिग्रिस

B
पावो क्रिस्टेसस

C
कैनिडे

D
राना टिग्रिना

Solution

बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है।
Question 10
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'अल्पायु' का विलोम शब्द क्या है?

A
आयु

B
प्राण

C
वितवर्ष

D
दीर्घायु

Solution

'अल्पायु' का विलोम शब्द 'दीर्घायु' है।
Question 11
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'अग्नि' का पर्यायवाची है-

A
ज्वाला

B
द्युति

C
आभा

D
सुधा

Solution

'अग्नि' का पर्यायवाची 'ज्वाला' है।
Question 12
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निम्नलिखित रेखांकित मुहावरे का सबसे उपयुक्त अर्थ क्या है ?

जब प्रकाश ने मेरे पैसे समय पर नहीं लौटाए तो मैंने उसे आड़े हाथों लिया।

A
खरी खोटी सुनाना

B
धमकी देना

C
बहुत क्रोधित होना

D
वश में करना

Solution

रेखांकित मुहावरे का अर्थ 'खरी खोटी सुनाना' है।
Question 13
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निम्नलिखित वाक्य में रेखांकित शब्द के विलोम शब्द के सही विकल्प को चुनकर लिखिए।

मैं निरामिष नहीं, भोजन पसंद करता हूँ।

A
मांसाहारी

B
शाकाहारी

C
फलाहारी

D
सामिष

Solution

रेखांकित शब्द का विलोम शब्द 'मांसाहारी' है।
Question 14
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'मनोज के पास पाँच कलम है' रेखांकित शब्द में कौन सा विशेषण है?

A
गुणवाचक विशेषण

B
संख्यावाचक विशेषण

C
परिमाणवाचक विशेषण

D
सार्वनामिक विशेषण

Solution

संख्यावाचक विशेषण- जिस विशेषण से संज्ञा या सर्वनाम की संख्या का बोध होता है, उसे संख्यावाचक विशेषण कहते हैं। उपरोक्त वाक्य में 'पाँच ' शब्द संख्यावाचक विशेषण है।
Question 15
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निम्नलिखित वाक्य में प्रयुक्त रेखांकित शब्द की जगह कौन-सा पर्यायवाची शब्द उपयुक्त हो सकता है, सही विकल्प चुनकर लिखिए-

सूर्य सौरमंडल के केन्द्र में स्थित एक तारा है।

A
धरा

B
चन्द्रमा

C
भान

D
भास्कर

Solution

सूर्य के पर्यायवाची शब्द - सूर्य, रवि, भास्कर, भानु, दिनकर, दिवाकर आदि हैं। भास्कर सही उत्तर है।
Question 16
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Select the most appropriate option to fill the blank from the given alternatives.

We should _______ ourselves away from rogues.

A
keep

B
keeper

C
kept

D
keeps

Solution

'Should' shall be followed by the first form of verb. So, 'keep' is the correct answer.
Question 17
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In the following question, select the most appropriate option to fill in the blank from the given alternatives.

The longest lunar eclipse in more than a decade turned the moon blood red on Thursday, ___________ stargazers around the world with a rare visual treat.

A
have provided

B
provided

C
providing

D
having providing

Solution

The present participle form is required here to indicate that the lunar eclipse provided a rare visual treat to stargazers. Words 'turned the moon blood red' make 'provided' invalid. Other options, except 3, are ungrammatical here.
Question 18
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In the following question, select the most appropriate option to fill in the blank from the given alternatives.

In the latest news of the conflict in Libya, the rebels ____________ deeper into the government-held territory.

A
had pushed

B
are pushing

C
push

D
pushes

Solution

As the past perfect tense is required here to indicate an action that has already been completed at the time the statement is being made.
Question 19
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Fill in the appropriate article from the given choices.

I shall be back in ___ hour.

A
a

B
the

C
an

D
not required

Solution

'An' is used with nouns starting with a vowel sound. In 'hour' the 'h' is silent.
Question 20
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Choose the suitable preposition from the given choices to fill the blank in the following sentence.

This is the shop I told you ____.

A
about

B
over

C
at

D
of

Solution

'About' means 'in connection with; pertaining to'. In the context it pertains to the 'shop'.
Question 21
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Choose the word that is the antonym of 'inconsistent.'

A
Inflexible

B
Unwavering

C
Irregular

D
Steadfast

Solution

Inconsistent means a person who is not uniform or is changeable. So, 'irregular' which means 'lacking regularity or uniformity' is a synonym not an antonym.
Question 22
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Directions For Questions

Directions: Answer the given question based on the following passage:

Thar Desert is also known as the great Indian desert. It is spread over four states in India, namely, Punjab, Haryana, Rajasthan and Gujarat and two states in Pakistan and covers an area of about 4,46,000 square kilometres. The average annual rainfall of the region varies from 100 to 500 mm. It is distributed very erratically, occurring mostly between July and September. One unique feature of this desert is that there is neither an oasis in it nor any well. No native cactus or palm tree breaks the monotony of the vast expanse. Due to the diversified habitat, the vegetation and animal life in this arid region is very rich. About 23 species of lizards and 25 species of snakes are found here and several of them are endemic to the region. Some wild life species which are fast vanishing in other parts of India, are found in the desert in large numbers such as the Great Indian Bustard, the Blackbuck, the Indian gazelle and Wild ass. The increase of human and livestock population in the desert has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.

...view full instructions

The Thar Desert is spread over ____ states.

A
7

B
6

C
5

D
8

Solution

The passage states, "It is spread over four states in India ... and two states in Pakistan".
Question 23
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Directions For Questions

Directions: Answer the given question based on the following passage:

Thar Desert is also known as the great Indian desert. It is spread over four states in India, namely, Punjab, Haryana, Rajasthan and Gujarat and two states in Pakistan and covers an area of about 4,46,000 square kilometres. The average annual rainfall of the region varies from 100 to 500 mm. It is distributed very erratically, occurring mostly between July and September. One unique feature of this desert is that there is neither an oasis in it nor any well. No native cactus or palm tree breaks the monotony of the vast expanse. Due to the diversified habitat, the vegetation and animal life in this arid region is very rich. About 23 species of lizards and 25 species of snakes are found here and several of them are endemic to the region. Some wild life species which are fast vanishing in other parts of India, are found in the desert in large numbers such as the Great Indian Bustard, the Blackbuck, the Indian gazelle and Wild ass. The increase of human and livestock population in the desert has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.

...view full instructions

Rainfall in Thar Desert is

A
regular

B
uniform

C
erratic

D
predictable

Solution

The passage states, "It is distributed very erratically."
Question 24
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Directions For Questions

Directions: Answer the given question based on the following passage:

Thar Desert is also known as the great Indian desert. It is spread over four states in India, namely, Punjab, Haryana, Rajasthan and Gujarat and two states in Pakistan and covers an area of about 4,46,000 square kilometres. The average annual rainfall of the region varies from 100 to 500 mm. It is distributed very erratically, occurring mostly between July and September. One unique feature of this desert is that there is neither an oasis in it nor any well. No native cactus or palm tree breaks the monotony of the vast expanse. Due to the diversified habitat, the vegetation and animal life in this arid region is very rich. About 23 species of lizards and 25 species of snakes are found here and several of them are endemic to the region. Some wild life species which are fast vanishing in other parts of India, are found in the desert in large numbers such as the Great Indian Bustard, the Blackbuck, the Indian gazelle and Wild ass. The increase of human and livestock population in the desert has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.

...view full instructions

Which of the following endangered species is not found in Thar Desert?

A
Blackbuck

B
Indian gazelle

C
Wild ass

D
White tiger

Solution

There is no mention of white tiger in the paragraph. The passage states, 'About 23 species of lizards ... the Indian gazelle and Wild ass.
Question 25
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Directions For Questions

Directions: Answer the given question based on the following passage:

Thar Desert is also known as the great Indian desert. It is spread over four states in India, namely, Punjab, Haryana, Rajasthan and Gujarat and two states in Pakistan and covers an area of about 4,46,000 square kilometres. The average annual rainfall of the region varies from 100 to 500 mm. It is distributed very erratically, occurring mostly between July and September. One unique feature of this desert is that there is neither an oasis in it nor any well. No native cactus or palm tree breaks the monotony of the vast expanse. Due to the diversified habitat, the vegetation and animal life in this arid region is very rich. About 23 species of lizards and 25 species of snakes are found here and several of them are endemic to the region. Some wild life species which are fast vanishing in other parts of India, are found in the desert in large numbers such as the Great Indian Bustard, the Blackbuck, the Indian gazelle and Wild ass. The increase of human and livestock population in the desert has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.

...view full instructions

Which word in the paragraph is opposite to "endemic" species of reptiles?

A
Native

B
Indigenous

C
Regional

D
Foreign

Solution

Endemic means native to a particular country, nation, or region. So, 'foreign' is an opposite.
Question 26
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Directions For Questions

Directions: Answer the given question based on the following passage:

Thar Desert is also known as the great Indian desert. It is spread over four states in India, namely, Punjab, Haryana, Rajasthan and Gujarat and two states in Pakistan and covers an area of about 4,46,000 square kilometres. The average annual rainfall of the region varies from 100 to 500 mm. It is distributed very erratically, occurring mostly between July and September. One unique feature of this desert is that there is neither an oasis in it nor any well. No native cactus or palm tree breaks the monotony of the vast expanse. Due to the diversified habitat, the vegetation and animal life in this arid region is very rich. About 23 species of lizards and 25 species of snakes are found here and several of them are endemic to the region. Some wild life species which are fast vanishing in other parts of India, are found in the desert in large numbers such as the Great Indian Bustard, the Blackbuck, the Indian gazelle and Wild ass. The increase of human and livestock population in the desert has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.

...view full instructions

According to the paragraph, the ecosystem is

A
improving

B
strengthening

C
crumbling

D
growing

Solution

The passage states, '... has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.' 'Crumbling' means 'deteriorating'.
Question 27
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Directions For Questions

Directions: Answer the given question based on the following passage:

Thar Desert is also known as the great Indian desert. It is spread over four states in India, namely, Punjab, Haryana, Rajasthan and Gujarat and two states in Pakistan and covers an area of about 4,46,000 square kilometres. The average annual rainfall of the region varies from 100 to 500 mm. It is distributed very erratically, occurring mostly between July and September. One unique feature of this desert is that there is neither an oasis in it nor any well. No native cactus or palm tree breaks the monotony of the vast expanse. Due to the diversified habitat, the vegetation and animal life in this arid region is very rich. About 23 species of lizards and 25 species of snakes are found here and several of them are endemic to the region. Some wild life species which are fast vanishing in other parts of India, are found in the desert in large numbers such as the Great Indian Bustard, the Blackbuck, the Indian gazelle and Wild ass. The increase of human and livestock population in the desert has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.

...view full instructions

An oasis is a/an _______.

A
treeless area in the desert

B
fertile place in the desert

C
image of a desert

D
a hill of sand in the desert

Solution

An oasis is a 'fertile place in a desert, due to the presence of water'.
Question 28
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Directions For Questions

Directions: Answer the given question based on the following passage:

Thar Desert is also known as the great Indian desert. It is spread over four states in India, namely, Punjab, Haryana, Rajasthan and Gujarat and two states in Pakistan and covers an area of about 4,46,000 square kilometres. The average annual rainfall of the region varies from 100 to 500 mm. It is distributed very erratically, occurring mostly between July and September. One unique feature of this desert is that there is neither an oasis in it nor any well. No native cactus or palm tree breaks the monotony of the vast expanse. Due to the diversified habitat, the vegetation and animal life in this arid region is very rich. About 23 species of lizards and 25 species of snakes are found here and several of them are endemic to the region. Some wild life species which are fast vanishing in other parts of India, are found in the desert in large numbers such as the Great Indian Bustard, the Blackbuck, the Indian gazelle and Wild ass. The increase of human and livestock population in the desert has led to a deterioration in the ecosystem resulting in degradation of soil fertility and vegetation.

...view full instructions

The rich vegetation and animal life is due to

A
diversified habitat

B
vast expanse

C
erratic rainfall

D
increased deforestation

Solution

The passage mentions, 'Due to the diversified habitat, the vegetation and animal life in this arid region is very rich.
Question 29
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Choose the correct option which changes the underlined phrase into a clause.

He sold his father's house.

A
the house which belonged to his father

B
the house that belong to his father

C
the house who belonged to his father

D
the house of his father

Solution

A clause has a subject and a verb. Moreover 'sold' indicates past tense. So, option 1 is correct. Option 2 is incorrect as with 'house' singular verb 'belongs' should be used. 'Who' is used for people and not objects like 'house'.
Question 30
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Which of the options correctly changes the voice of the sentence given below?

I gave him a book for his birthday.

He _____ a book for his birthday by me.

A
had given

B
was being given

C
is given

D
was given

Solution

The given sentence is in simple past. So, in passive voice the structure of simple past is 'was + given'.
Question 31
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If X381 is divisible by 11 and 381Y is divisible by 9, find the smallest values of X and Y.

A
6, 5

B
7, 6

C
6, 8

D
7, 5

Solution

(i) X381 is the number given to us. If this number is divisible by 11, then the divisibility rule for 11 must be satisfied.

i.e. (X + 8) - (3 + 1) = (X + 4) is multiple of 11 and the smallest value of X for which X + 4 is divisible by 11 is 7. Hence, X = 7

(ii) 381Y is the number given to us. If this number is divisible by 9, then the divisibility rule for 9 must be satisfied.

i.e. (3 + 8 + 1 + Y) = Y + 12 must be divisible by 9. And smallest value of Y for which Y + 12 is divisible by 9 is 6. Hence, Y = 6
Question 32
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By which smallest natural number must 392 be multiplied to make the product a perfect cube?

A
2

B
14

C
7

D
49

Solution

Factors of 392 are = 2 × 2 × 2 × 7 × 7
Since '7' is not in triplet
So, we multiply by 7 to make 392 a perfect cube.
Question 33
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Which of the following is the same as (-2x + 3)(3 - 2x) ?

A
9 - 4x²

B
4x² - 9 - 12x

C
4x² + 9 - 12x

D
4x² - 9

Solution

(-2x + 3)(3 - 2x)
= -6x + 4x² + 9 - 6x
= 4x²+ 9 - 12x
Question 34
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A quantity x varies as the square of y. Given that y = 2 for x = 1. The value of x for y = 6 will be equal to

A
3

B
9

C
1/3

D
1/9

Solution

Given x = Ky²

1 = 4K

K = 1/4

Hence, x = 1/4(6)²

= 9
Question 35
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If x is 50% more than y, what percentage of (x + y) is x?

A
20%

B
50%

C
33.33%

D
60%

Solution

x = 1.5y and x + y = 2.5y
Suppose that a % of (x + y) is x.
So,
a/100 × (x+y) = x
⇒ a (1.5y + y) = 1.5 × 100y
⇒ a = 60%
Question 36
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If a - b = 12 and ab = 12, then find the value of a² + b².

A
142

B
156

C
168

D
176

Solution

a - b = 12
Squaring both sides, we get:
(a - b)² = 144
a² + b² - 2ab = 144
Putting in the value of ab, we get
a² + b² = 144 + 2(12) = 168
Question 37
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A is 29 years older than B, B is 3 years older than C and D is 2 years younger than C. Two years hence, A's age will be twice the combine ages of B, C and D. Find the present age of A.

A
34

B
36

C
39

D
38

Solution

Let D`s age = x years
C`s age = D + 2 or (x + 2) years
B`s age = (x + 2) + 3 = x + 5 years
A`s age = x + 5 + 29 = (x + 34) years
2 years hence,
(x + 34 + 2) = 2{(x + 5 + 2) + (x + 2 + 2) + (x + 2)] .........[given]
⇒ x + 36 = 2[x + 7 + x + 4 + x + 2]
i.e. x + 36 = 2(3x + 13)
⇒ x + 36 = 6x + 26
⇒ 5x = 10
⇒ x = 2
A`s age = x + 34 = 2 + 34 = 36 years
Question 38
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What is the solution of the equation 15(y - 4) - 2(y - 9) + 5(y + 6) = 0 ?

A
Y = 2/3

B
Y = 3/2

C
Y = -2/3

D
Y = -3/2

Solution

15(y - 4) - 2(y - 9) + 5(y + 6) = 0
15y - 60 - 2y + 18 + 5y + 30 = 0
18y - 60 + 48 = 0
18y - 12 = 0
18y = 12
y = 2/3
Question 39
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Factorise: a² + 2ab + b² – 25

A
(a + b + 5) (a + b – 5)

B
(a + 5) (a + b – 5)

C
a(b + a) (b + 5)

D
(a – b – 5) (a – b + 5)

Solution

(a² + 2ab + b²) – 25

= (a + b)² – 5²

Using A² – B² = (A + B) (A – B), we get

= (a + b + 5) (a + b – 5)
Question 40
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A man buys 200 oranges for Rs. 1000. How many oranges for Rs. 100 can he sell, so that his profit percentage is 25%?

A
10

B
14

C
16

D
20

Solution

Cost price of 200 oranges = Rs. 1000
Cost price of 1 orange = 1000/200= Rs. 5
Selling price of 1 orange = 5 × 25/100 = Rs. 6.25
In Rs. 100, number of oranges that can be sold = 1/6.25 × 100 = 16
Hence, 16 oranges can be sold for Rs. 100 at a profit of 25%.
Question 41
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If the total surface area of a cube is 54 m², then its lateral surface area is equal to

A
81 m²

B
24 m²

C
36 m²

D
108 m²

Solution

Total surface area of the cube = 6a²
54 m²= 6a²
54/6 m² = a²
9 m²= a²
a = 3m [∵ Length cannot be negative.]
Now, lateral surface area of the cube = 4a²
= 4 (3)²m²
= 4 ^_× 3 × 3 m²
= 36 m²
Question 42
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When a card is drawn at random from 100 cards numbered 1 to 100, find the probability that it is a square.

A
1/10

B
3/10

C
4/10

D
None of these

Solution

Favourable cases = 1, 4, 9, 16, 25, 36, 49, 64, 81, 100
Number of favourable cases = 10
Required probability = 10/100 = 1/10
Question 43
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Find the sum of two opposite sides of a parallelogram whose height is 25 cm and area is 15 m².

A
10000 cm

B
11500 cm

C
11800 cm

D
12000 cm

Solution

Height = 25 cm
Area of the parallelogram = 15 m² = 150000 cm²
Area of the parallelogram = Base × Height
150000 = Base × 25
Base = 6000 cm
Now, sum of parallel sides = 6000 + 6000 = 12000 cm
Question 44
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Which of the following methods is not suitable for separating an insoluble solid from its mixture in a liquid?

A
Decantation

B
Sedimentation

C
Filtration

D
Chromatography

Solution

Chromatography is a technique used to separate components that are soluble in the same solvent, but have different solubilities.
It is not a suitable method to separate the suspended impurities from a liquid.
Question 45
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Name the method that would be used to obtain petrol (boiling point 50 – 90°C) from a mixture of petrol and kerosene (boiling point 120 – 170°C).

A
Distillation

B
Decantation

C
Chromatography

D
Filtration

Solution

Fractional distillation is used to separate a mixture of two miscible liquids, having a difference of less than 25K in their boiling points.
Since the difference in the boiling points is greater than 25K, the process of simple distillation can be used.
Question 46
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Which of the following metals is non-malleable and non-ductile?

A
Zinc

B
Copper

C
Sodium

D
Gold

Solution

Malleability is the property of a material of being extended or shaped by beating with a hammer.
Ductility is the property of a metal to be stretched into thin wires without breaking.
Sodium is non-malleable and non-ductile, while others are malleable and ductile.
Question 47
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All fuels undergo combustion. From among the given alternatives, identify the fuel which undergoes slow combustion on burning.

A
Wood

B
Kerosene

C
Petrol

D
Diesel

Solution

Among the given options, wood is the fuel that undergoes slow combustion.
Question 48
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The fuel used in thermal power plants is

A
a fossil fuel

B
water

C
uranium

D
biomass

Solution

Coal, which is a fossil fuels is used in thermal power plants to heat water for producing steam, which runs the turbine for the production of electricity.
Question 49
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Which of the following is not a fraction obtained by the refining of petroleum?

A
Diesel

B
Bitumen

C
Naphthalene

D
Paraffin wax

Solution

Heavier (less volatile) fractions can also be used to produce asphalt (bitumen), tar, paraffin wax, lubricants, and other heavy oils. Naphthalene is a carbon compound that is present in coal tar and is not obtained by the refining of petroleum.
Question 50
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Buckminsterfullerene is an allotropic form of

A
phosphorus

B
sulphur

C
carbon

D
tin

Solution

Buckminsterfullerene is an allotropic form of carbon, which is C₆₀.
Question 51
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Which of the following minerals is not found in the lodes or veins in igneous and metamorphic rocks?

A
Tin

B
Zinc

C
Lead

D
Coal

Solution

In igneous and metamorphic rocks, minerals may occur in the cracks, crevices, faults, or joints. The smaller occurrences are called veins, and the larger are called lodes. Major metallic minerals like tin, copper, zinc, lead, etc. are obtained from veins and lodes.
Coal is an energy mineral, found in sedimentary rocks, and not in igneous and metamorphic rocks.
Question 52
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Hematite and Magnetite are types of

A
manganese ores

B
iron ores

C
aluminum ores

D
ore minerals of silver

Solution

Hematite is Fe₂O₃ and Magnetite is Fe₃O_4,which are types of iron ores.
Question 53
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Which of the following are metallic minerals?

A
Iron, copper, mica, and gypsum

B
Iron, copper, gold, and silver

C
Iron, copper, bauxite, and limestone

D
Iron, copper, silver, and potash

Solution

Metallic minerals are composed of metals in their original form, whereas no metals are found in non-metallic minerals.
Iron, copper, gold, and silver are metallic minerals
Question 54
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Which of the following coal fields are the oldest coal fields in India?

A
Gondwana coal fields

B
Tertiary coal fields

C
Primary coal fields

D
Secondary coal fields

Solution

Gondwana coal fields are the oldest coal fields in the world. These coal fields are about 250 million years old. These coal fields occur mostly in river valleys such as Damodar, Mahanadi, Son, Godavari, Wardha, and Narmada.
Question 55
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Which region in India has the largest oil production?

A
Tamil Nadu

B
Mumbai high oil fields

C
Gujarat

D
Assam

Solution

Mumbai high oil fields are the highest producers of crude oil in India. The Mumbai high oil fields were discovered in 1974. They are located about 176 km north-west of Mumbai.
Question 56
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Which of the following options was the first fully synthetic fiber to be prepared?

A
Rayon

B
Polyester

C
Nylon

D
Plastics

Solution

Nylon was the first fully synthetic fiber to be prepared.
NOTE: Rayon was the first semi-synthetic fibre to be prepared as the starting material, wood pulp is from a natural source.
Question 57
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What does PET stand for?

A
Polyethylene triacetate

B
Polyethylene tetracetate

C
Polyethylene terephthalate

D
None of the above

Solution

PET stands for `Polyethylene terephthalate`.
It is a form of polyester. It is extruded or molded into plastic bottles and containers for packaging food items and beverages, personal care products, and many other consumer products. It is a strong yet lightweight material, which makes it highly valuable. It is also non-reactive and shatter-proof. It is a polymer of ethylene glycol and terephthalic acid.
Question 58
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Which of the following statements is incorrect about plastics?

A
Plastics are costlier than metals.

B
Plastics are lightweight.

C
Plastics are highly durable.

D
Plastics do not get corroded easily.

Solution

Plastics are lightweight and are highly durable.
Also, they don't get corroded easily.
Plastics are cheaper than metals.
So, the statement "Plastics are costlier than metals" is incorrect.
Question 59
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What happens when an ebonite rod is rubbed with fur?

A
Electrons move from the fur to the ebonite rod.

B
Electrons move from the ebonite rod to the fur.

C
Protons move from the fur to the ebonite rod.

D
Protons move from the ebonite rod to the fur.

Solution

When an ebonite rod is rubbed with fur, electrons are transferred from the fur to the rod, giving it a surplus of electrons. Since neutral materials have equal numbers of electrons and protons to balance out their charge, the rubbed rod possesses a net negative static charge.
Question 60
1 / -0

The SI unit of resistance is

A
ampere

B
ohm

C
volt

D
None of these

Solution

The SI unit of resistance is ohm. Resistance across the two points of a conductor is said to be one ohm if current of 1 ampere results in potential difference of 1 volt across it.
Question 61
1 / -0

On a big stationary sail boat, air is blown at the sails from an ordinary pedestal fan attached to the boat. The boat will

A
remain stationary

B
spin around

C
move in a direction opposite to that in which the air is blown

D
move in a direction in which the air is blown

Solution

The boat will remain stationary because no external force is being applied on the boat. The force applied on the sails by the fan is an internal force. The fan pushes the air which in turn pushes the sails. However, the air pushes the fan as well in the opposite direction. These two forces are equal in magnitude and balance each other out. Thus, there is no net external force on the boat. Hence, it will not move.
Question 62
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Pressure on an object is equal to the

A
force applied on it

B
product of the force and the area on which it acts

C
product of the mass of an object and the area on which it acts

D
force applied per unit area on which it acts

Solution

Pressure is defined as the thrust (force acting perpendicular to the surface area) acting on a unit area of a surface.
Pressure = Force/Area
SI unit of pressure is Pascal.
Question 63
1 / -0

Which effect of current is utilised in the working of an electric fuse?

A
Chemical effect

B
Electrodynamic effect

C
Magnetic effect

D
Heating effect

Solution

Fuse works on the heating effect of the current. When current is passed through the wire, excessive heat is generated and due to that heat the fuse wire melts down and the circuit is broken.
Question 64
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In an electrical circuit, ammeter and voltmeter are connected in ___________ and _____________ to measure the current and voltage, respectively across the resistance.

A
parallel, parallel

B
parallel, series

C
series, parallel

D
series, series

Solution

In an electrical circuit, ammeter is connected in series because same current is passed through the circuit when it is connected in series and voltmeter is connected in parallel as the potential difference is measured across the two points.
Question 65
1 / -0

Splitting of white rays of light into seven colours is called

A
dispersion

B
scattering

C
reflection

D
refraction

Solution

The seven constituent colours are often observed when light passes through a triangular prism. Upon passing through the prism, the white light is separated into its component colours - red, orange, yellow, green, blue, indigo and violet. The separation of visible light into its constituent colours is known as dispersion.
Question 66
1 / -0

Where does the blind spot region lie in the eye?

A
On the cornea

B
At the junction of the optic nerve and the retina, where no sensory cells are present

C
On the lens

D
None of the above

Solution

Yes, it is correct because at the junction of the optic nerve and the retina, no sensory cells are present. So, the image formed here cannot be seen.
Question 67
1 / -0

Which phenomenon explains the formation of cauliflower from wild cabbage?

A
Natural selection

B
Artificial selection

C
Fossilisation

D
Speciation

Solution

Artificial selection refers to the method where we select the useful traits according to our choice and allow the reproduction in artificial ways so that only our selected trait is multiplied and produced further. Artificial selection explains the formation of cauliflower (and also other forms) from wild cabbage. It is because the farmers have intentionally selected the trait of sterile flowers and made the cauliflower. It is not a natural method. Hence, (1) is incorrect.
Also, cauliflower is not a dead remain, but a living plant. Hence, it is not a fossil. So, option (3) is incorrect. The various vegetables, e.g. cauliflower, cabbage and broccoli, are thus, the varieties of the same species, i.e. cabbage. Hence, this process is also not speciation.
Question 68
1 / -0

The human traits are influenced by the DNA of the

A
mother

B
father

C
siblings

D
Both (1) and (2)

Solution

Human traits are influenced by the DNAs of both the mother and the father. A child inherits half their DNA from each parent, while each parent passes half their DNA to each child.
Question 69
1 / -0

Which of the following is not a function of cell wall?

A
It provides rigidity to the cell.

B
It gives shape to the cell.

C
It checks the entry of certain solutes.

D
It provides protection to the cell.

Solution

The cell wall is freely permeable and does not regulate the entry of certain solutes.
Question 70
1 / -0

Which of the following materials is mainly responsible for water pollution ?

A
Fertiliser

B
Industrial waste

C
Humus

D
Ammonia

Solution

Industrial waste is the waste produced by industrial activity, which includes any material that is rendered useless during a manufacturing process such as that of factories, industries, mills, and mining operations. It has existed since the start of the Industrial Revolution.
Question 71
1 / -0

Which fuel does not cause much pollution on burning?

A
Wood

B
Petro

C
LPG

D
Kerosene

Solution

Petrol is the most polluting substance when burnt. LPG produces 33% less CO₂ emissions than petrol and 45% less CO₂ emissions than diesel.
Question 72
1 / -0

Which of the following is/are normally grown under shifting cultivation ?

A
The major crop along with cereals

B
A single crop which is mainly consumed

C
Grains, vegetables along with cash crops

D
Cash crops along with fodder

Solution

The shifting cultivators grow food grains, vegetables and also cash crops. In fact, the grower aims at growing in his land everything that he needs for his family consumption.
Among the food grains, the coarse varieties of rice followed by maize, millet, Job's tears and small millets are the principal crops. Cotton, ginger, linseed, rapeseeds, sesamum, pineapple and jute are the important cash crops grown in jhum fields. Among the vegetables, soyabeans, potatoes, pumpkins, cucumbers, yams, tapiocas, chillies, beans, onions, arums are cultivated. Tobacco and indigo are also grown.
Question 73
1 / -0

Which pulse is not grown in the kharif season?

A
Moong

B
Arhar

C
Urad

D
Masur

Solution

Kharif crops or Autumn crops are domesticated plants that are cultivated and harvested in India, Pakistan, and Bangladesh during the summer season, which lasts from June to November depending on the area. The following seed plants are grown in the kharif season:
Arhar (tur)
Black Gram (urad)
Cotton
Cowpea (chavala)
Green Gram (moong)
Groundnut
Guar
Linseed (flax)
Moth bean
Mung bean
Sesame (till)
Urad bean
So, Masur is not grown in the kharif season.
Question 74
1 / -0

The term used for the reproductive cells produced by gonads is

A
gamete

B
zygote

C
embryo

D
offspring

Solution

In humans, reproductive organs are called gonads, which produce reproductive cells called gametes.
Question 75
1 / -0

Which planet of our solar system spins at the fastest rate on its axis?

A
Mercury

B
Earth

C
Jupiter

D
Saturn

Solution

Jupiter is the fastest spinning planet in our solar system rotating on average once in just under 10 hours.
Question 76
1 / -0

Which is the brightest star of the constellation Orion?

A
Betelgeuse star

B
Pole star

C
Bellatriso star

D
Proxima centuari

Solution

There are ten brightest stars, and Orion constellation consists of two of these ten brightest stars. The names of the two brightest stars in Orion constellation are Rigel and Betelgeuse.

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SHARING IS CARING

Question 1

पर्वत

सोना

गंगा

मनुष्य

Solution

Question 2

बहुत प्यारा

बहुत तरक्की करना

बहुत प्रसन्न होना

बहुत अभिमान करना

Solution

Question 3

दम्पति

युगल

जोड़ा

संघ

Solution

Question 4

बहुत प्रिय होना

किसी के लिए शुभ होना

लुप्त होना

बहुत सुंदर होना

Solution

Question 5

लाल, पीला

लाल, पीला, काला

केवल लाल

केवल पीला

Solution

Question 6

बाघ वन, दलदली क्षेत्र तथा घास के मैदानों के पास रहना पसंद है।

बाघ की सुनने, सूँघने और देखने की क्षमता तीव्र होती है।

बाघ झुंड में रहना पसंद करता है।

बाघ का वैज्ञानिक नाम पेंथेरा टिग्रिस है।

Solution

Question 7

वनों

दलदली क्षेत्रों

घास के मैदानों

उपरोक्त सभी

Solution

Question 8

मलेशिया

अफगानिस्तान

चीन

ईरान

Solution

Question 9

पेंथेरा टिग्रिस

पावो क्रिस्टेसस

कैनिडे

राना टिग्रिना

Solution

Question 10

आयु

प्राण

वितवर्ष

दीर्घायु

Solution

Question 11

ज्वाला

द्युति

आभा

सुधा

Solution

Question 12

खरी खोटी सुनाना

धमकी देना

बहुत क्रोधित होना

वश में करना

Solution