Our Environment Test

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Our Environment Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Khushi went to Thar desert in her summer vacations, she has the most probability of seeing an animal which has

A
long legs

B
long hair

C
short ears

D
streamlined body

Solution

Animals like camel have long legs to keep their bodies away from the heat of the sand. Camel lives in desert habitat.
Question 2
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Directions For Questions

...view full instructions

Apropos to the above mentioned animal, which of the following statements is true?

A
It has strong hooves.

B
It has thick fur on its toes.

C
It has webbed feet.

D
It has strong teeth to chew plants.

Solution

The shown animal is leopard. It has thick fur on its toes to protect its feet from the cold when it walks on the snow.
Question 3
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A, B and C are three plants. Leaves are modified into spines in A, B has needle like leaves and C has hollow stems. Which of the following sentences can you conclude about A, B or C?

A
In C, leaves are modified into spines.

B
B has small roots.

C
A grows in an area where there is very less rainfall.

D
C is cone shaped.

Solution

Leaves are modified into spines in A, so it probably belong to the desert habitat where there is very less rainfall. Plants in desert habitat have deep roots to absorb water.
Question 4
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An aquatic bird would most probably show which of the following adaptation?

a. Webbed feet
b. Strong back legs
c. Hollow bones
d. Furry coat

A
a, b and c

B
c and d

C
a and b

D
a and c

Solution

An aquatic bird will have both webbed feet and hollow bones. Webbed feet will help it swim and hollow bones are required for light weight in flying.
Question 5
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Sourabh bought an aquatic plant from a nearby pond. On seeing the plant, his mother concluded that it is a totally submerged plant. How did she reach at that conclusion?

A
By seeing the stem of the plant.

B
By seeing the leaf of the plant.

C
By seeing root of the plant.

D
By seeing both root and stem of the plant.

Solution

Submerged plants have ribbon like or highly divided leaves through which the water can easily flow without damaging them, thus by seeing the leaves it could be concluded that it is a submerged plant.
Question 6
1 / -0

In a fancy dress competition three students came with the following posters:

Student 1: Chicken becomes hen
Student 2: Abdomen moves while resting
Student 3: Get rid of wastes

What do these 3 sentences signify respectively?

A
Growth, Respiration, Excretion

B
Reproduction, Breathing, Excretion

C
Growth, Breathing, Excretion

D
Reproduction, Respiration, Excretion

Solution

The 3 sentences respectively signifies growth, breathing and excretion. Chicken grows and becomes hen, Abdomen moves while resting due to breathing and we get rid of wastes in the process of excretion.
Question 7
1 / -0

A and B are two processes carried out by plants. Process A produces more oxygen compared to its utilisation by the process of B and occurs during day. The process of B continues day and night. What does A and B represent respectively?

A
Respiration, photosynthesis

B
Transpiration, photosynthesis, day

C
Photosynthesis, respiration

D
Transpiration, respiration

Solution

Photosynthesis produces more oxygen compared to its utilisation by process of respiration and occurs during the day, whereas process of respiration occurs all 24 hours.
Question 8
1 / -0

Which of the following is not paired correctly?

A
Whales-blowholes

B
Deer-Long ears

C
Mountain goat-strong hooves

D
Frogs-oceans

Solution

Frogs usually have ponds as their habitat not the oceans.
Question 9
1 / -0

The animals that stay deeper in the ocean do not have

a. Streamlined shape
b. Gills
c. Blowholes
d. Strong hindlimbs

A
All

B
a, c and d

C
Only b and c

D
a, b and c

Solution

Animals living deep in the ocean do not have streamlined shape. However, when they move in water they make their body shapes streamlined. They also do not have blowholes and strong hind limbs.
Question 10
1 / -0

Adaptation which is not possessed by the deer to survive in the forest is

A
strong teeth

B
eyes in front

C
high speed

D
long ears

Solution

Deer do not have eyes in the front, It has eyes on the side of its head allow it to look in all directions for danger.
Question 11
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A, B and C are three animals. A has strong hooves, B has light brown color with stripes, C lives in burrows during the day. Which of the following conclusions about A, B or C is true?

A
C lives in an area which receives heavy rainfall.

B
B is easily preyed by deer.

C
A lives on rocky mountains.

D
B lives in polar region.

Solution

As A has strong hooves, A is probably mountain goat and have strong hooves for running up the rocky slopes of the mountains.
Question 12
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Directions: Identify the true statements and choose the appropriate option.

A: Leaves and flowers of aquatic plants, float on the surface of the water.
B: The main function of Roots of aquatic plants is to absorb minerals.

With regard to the above mentioned sentences, choose the correct answer.

A
Both A and B are true

B
A is true but B is false

C
Both A and B are false

D
A is false and B is true

Solution

A is true but B is false. The leaves and flowers of aquatic plants float on the surface of the water by virtue of hollow stems but the main function of roots of aquatic plants is to hold the plants in place.
Question 13
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Directions: Identify the true statements and choose the appropriate option.

A: Some plants remove waste products as secretions.
B: Some toxic waste products get stored in plants.

With reference to the following sentences, which of the following option is correct?

A
Both the sentences are correct

B
Both the sentences are incorrect

C
Sentence A is correct but sentence B is incorrect

D
Sentence B is correct but sentence A is incorrect

Solution

Both the sentences are correct. Some waste products are removed from the plant in form of secretions. Also, Some plants find it possible to store the waste products within their parts in a way that they do not harm the plant as a whole.
Question 14
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Apropos to biotic and abiotic factors, which of the following statements is False?

A
Biotic resources are a non-renewable resource of energy.

B
Abiotic factors rely on biotic factors to survive.

C
Availability of food determines the upper limit of size of population in case of biotic factors.

D
Adverse effects affects biotic component the most.

Solution

Abiotic factors don't rely on biotic factors to survive, in fact biotic factors rely on abiotic factors to survive.
Question 15
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Directions For Questions

If we live in the plains and suddenly go to high mountain regions, we may experience difficulty in breathing and doing physical exercise for some days. After some days, our body adjusts to the changed conditions on the high mountain.

...view full instructions

Which phenomenon takes place in the above paragraph?

A
Adaptation

B
Respiration

C
Habituation

D
Acclimatization

Solution

Small changes that take place in the body of a single organism over short periods, to overcome small problems due to changes in the surroundings, are called acclimatisation.

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Our Environment Test - 4

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Our Environment Test - 4

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SHARING IS CARING

Question 1

long legs

long hair

short ears

streamlined body

Solution

Question 2

It has strong hooves.

It has thick fur on its toes.

It has webbed feet.

It has strong teeth to chew plants.

Solution

Question 3

In C, leaves are modified into spines.

B has small roots.

A grows in an area where there is very less rainfall.

C is cone shaped.

Solution

Question 4

a, b and c

c and d

a and b

a and c

Solution

Question 5

By seeing the stem of the plant.

By seeing the leaf of the plant.

By seeing root of the plant.

By seeing both root and stem of the plant.

Solution

Question 6

Growth, Respiration, Excretion

Reproduction, Breathing, Excretion

Growth, Breathing, Excretion

Reproduction, Respiration, Excretion

Solution

Question 7

Respiration, photosynthesis

Transpiration, photosynthesis, day

Photosynthesis, respiration

Transpiration, respiration

Solution

Question 8

Whales-blowholes

Deer-Long ears

Mountain goat-strong hooves

Frogs-oceans

Solution

Question 9

All

a, c and d

Only b and c

a, b and c

Solution

Question 10

strong teeth

eyes in front

high speed

long ears

Solution

Question 11

C lives in an area which receives heavy rainfall.

B is easily preyed by deer.

A lives on rocky mountains.

B lives in polar region.

Solution

Question 12

Both A and B are true

A is true but B is false

Both A and B are false

A is false and B is true

Solution