Natural Vegetation And Wildlife Test

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Natural Vegetation And Wildlife Test - 12

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following regions has almost all prevalent types of natural vegetation in India?

A
The Coastal Plains

B
The Deccan Plateau

C
The Himalayas

D
The Ganga Plain
Question 2
1 / -0

Lucerene is a _________.

A
Cereal crop

B
Cash crop

C
Foliage crop

D
Fibre crop

Solution

Alfalfa , also called lucerne and called Medicago sativa in binomial nomenclature, is a perennial flowering plant in the legume family Fabaceae. It is cultivated as an important foliaage crop in many countries around the world. It is used for grazing, hay, and silage, as well as a green manure and cover crop.
Question 3
1 / -0

Tick the correct answer.
Mahogany and rosewood trees are found in ______.

A
mangrove forests

B
tropical deciduous forests

C
tropical evergreen forests

D
none of these

Solution

Tropical evergreen forest,
In India, Evergreen forests which are also identified as Tropical rain forest can be located in the in States such as Kerala and Karnataka. These forests are discovered in the westward slopes of the western ghats. They can be also discovered in mountain ranges of Jaintia and Khasi. Some of the trees which can be located in Indian Tropical Forests are ebony, bamboos rosewood, and reeds.
Question 4
1 / -0

Choose the correct option to complete the statements given below:
Sundarbans is in _______.

A
Andaman and Nicobar Island

B
West Bengal

C
Orissa

D
Madhya Pradesh

Solution

Mangrove forests are found mainly in Sunderbans in West Bengal and in the Andaman and Nicobar Islands. Sundari is a well-known species of trees in mangrove forests after which Sunderbans have been named.
Question 5
1 / -0

Tick the correct answer:
Deodars and firs are a type of __________.

A
Confierous trees

B
Deciduous trees

C
Shrubs

D
None of these

Solution

Confierous trees,
Deodars are native trees to western Himalayas. They are large evergreen coniferous trees reaching 40-50m tall with a trunk up to 3m in diameter. It has a conic crown with level branches.
Question 6
1 / -0

Kaziranga National Park is in the state of

A
Assam

B
Tamilnadu

C
Uttar Pradesh

D
Kerala

Solution

Kaziranga National Park is in the state of Assam
Question 7
1 / -0

Species of some animals are on the verge of
extinction as their population has decreased considerably. Such species are
known as _______________.

A
Endangered Species

B
Extinct Species

C
Dying Species

D
Dying Species

Solution

Those species of animals or plants which have become vulnerable and are on the verge of extinction are known as Endangered species.
Question 8
1 / -0

Cinchona trees are found in the areas of rainfall more than _________.

A
100 cm

B
50 cm

C
70 cm

D
less than 50 cm

Solution

Cinchona is a genus of flowering plant mostly used as medicinal plant because of the quinones present in it. These are found in the areas where the rainfall is above 100 cm. They are native to the tropical Andean forests of western South America.
Question 9
1 / -0

The greatest diversity of animal and plant species occurs in ________________.

A
temperature deciduous forests

B
tropical moist forests

C
heavily polluted rivers

D
deserts and savannas

Solution

Tropical rainforests are areas of extremely high biodiversity compared to other ecosystems. Biologists estimate that tropical rainforests contain about 50% of the world's terrestrial plant and animal species, yet they encompass only about 6% of the world's land area.
Question 10
1 / -0

Assertion (A): The Himalayan ranges show change in vegetation from tropical to Tundra.
Reason (R): In mountainous area with increase in altitude there is corresponding decrease in temperature, which leads to change in vegetation types.
Select the correct option from the given alternatives.

A
Both (A) and (R) are true and (R) explains (A)

B
Both (A..) and (R) are true but (R) does not explain (A)

C
(A) is true and (R) is false

D
(A) is false and (R) is true

Solution

The character and extent of vegetation are mainly determined by temperature along with the humidity in the air, precipitation and soil. On the slopes of Himalayas and the hills of Peninsula above the height of 915 metres, the fall in the temperature affects the types of vegetation and its growth, and changes it from tropical to subtropical temperature. So in the mountainous area with the increase in altitude there is corresponding decrease in temperature, which leads to change in vegetation types.

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Re-Attempt Weekly Quiz Competition

Natural Vegetation And Wildlife Test - 12

Result

Natural Vegetation And Wildlife Test - 12

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SHARING IS CARING

Question 1

The Coastal Plains

The Deccan Plateau

The Himalayas

The Ganga Plain

Question 2

Cereal crop

Cash crop

Foliage crop

Fibre crop

Solution

Question 3

mangrove forests

tropical deciduous forests

tropical evergreen forests

none of these

Solution

Question 4

Andaman and Nicobar Island

West Bengal

Orissa

Madhya Pradesh

Solution

Question 5

Confierous trees

Deciduous trees

Shrubs

None of these

Solution

Question 6

Assam

Tamilnadu

Uttar Pradesh

Kerala

Solution

Question 7

Endangered Species

Extinct Species

Dying Species

Dying Species

Solution

Question 8

100 cm

50 cm

70 cm

less than 50 cm

Solution

Question 9

temperature deciduous forests

tropical moist forests

heavily polluted rivers

deserts and savannas

Solution

Question 10

Both (A) and (R) are true and (R) explains (A)

Both (A..) and (R) are true but (R) does not explain (A)

(A) is true and (R) is false

(A) is false and (R) is true

Solution

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