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Question (11)

QN0031398

A frog can survive both on land and in water. It is therefore called a/an

(A) Aquatic animal
(B) Terrestrial animal
(C) Amphibian
(D) Reptile

Correct Answer: C

Explanation:

Amphibians are animals that can live both on land and in water.

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Question (12)

QN0031399

Which of the following is the best example of an adaptation?

(A) All plants have leaves
(B) Fish have streamlined bodies for swimming
(C) Every bird builds the same type of nest
(D) All animals eat the same food

Correct Answer: B

Explanation:

Adaptations are special features that help organisms survive in their habitat.

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Question (13)

QN0031400

During an activity, students found that 18 plants had reticulate venation while 12 had parallel venation. Assuming the usual relationship, how many plants are likely to have taproots?

(A) 12
(B) 18
(C) 30
(D) 6

Correct Answer: B

Explanation:

Plants with reticulate venation generally have taproots, so 18 plants are likely to have taproots.

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Question (14)

QN0031401

Which activity is most helpful for conserving biodiversity during a nature walk?

(A) Plucking flowers
(B) Catching insects for fun
(C) Observing organisms without disturbing them
(D) Breaking branches to examine them

Correct Answer: C

Explanation:

Nature should be observed without disturbing plants and animals.

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Question (15)

QN0031402

A camel from Ladakh differs from a camel of Rajasthan mainly because

(A) Both live under identical conditions
(B) Their habitats have different climatic conditions
(C) One eats only grass
(D) One cannot store food

Correct Answer: B

Explanation:

Different climatic conditions lead to different adaptations in camels.

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Question (16)

QN0031403

Which set contains only terrestrial habitats?

(A) Pond, river, ocean
(B) Forest, mountain, desert
(C) Lake, river, sea
(D) Pond, grassland, ocean

Correct Answer: B

Explanation:

Forests, mountains and deserts are all land habitats.

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Question (17)

QN0031404

If a forest is cleared for construction, which effect is most likely to occur first?

(A) Increase in biodiversity
(B) Loss of habitat for many organisms
(C) More rainfall immediately
(D) Increase in the number of trees

Correct Answer: B

Explanation:

Habitat destruction causes organisms to lose their homes and food, reducing biodiversity.

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Question (18)

QN0031405

A teacher asked students to classify the following: Wheat, Chickpea, Maize and Mustard. How many of these are dicot plants?

(A) 1
(B) 2
(C) 3
(D) 4

Correct Answer: B

Explanation:

Chickpea and mustard are dicots, while wheat and maize are monocots.

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Question (19)

QN0031406

Which observation would correctly place a plant in the shrub category?

(A) Tall plant with a single thick trunk and branches high above the ground
(B) Medium-sized plant with many hard woody branches arising near the base
(C) Small plant with soft green stem
(D) Plant with weak stem climbing on support

Correct Answer: B

Explanation:

Shrubs are medium-sized plants with many hard woody branches arising close to the ground.

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Question (20)

QN0031407

A student recorded the following organisms in a pond ecosystem: Fish, Frog, Duck and Lotus. Which statement is correct?

(A) All are terrestrial organisms
(B) All are aquatic organisms only
(C) They show biodiversity by belonging to different groups and adapting to the same habitat
(D) All move in the same way

Correct Answer: C

Explanation:

Different kinds of plants and animals can share the same habitat while showing different adaptations and characteristics.

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Question (11)

A frog can survive both on land and in water. It is therefore called a/an

Explanation:

Link:

Question (12)

Which of the following is the best example of an adaptation?

Explanation:

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Question (13)

During an activity, students found that 18 plants had reticulate venation while 12 had parallel venation. Assuming the usual relationship, how many plants are likely to have taproots?

Explanation:

Link:

Question (14)

Which activity is most helpful for conserving biodiversity during a nature walk?

Explanation:

Link:

Question (15)

A camel from Ladakh differs from a camel of Rajasthan mainly because

Explanation:

Link:

Question (16)

Which set contains only terrestrial habitats?

Explanation:

Link:

Question (17)

If a forest is cleared for construction, which effect is most likely to occur first?

Explanation:

Link:

Question (18)

A teacher asked students to classify the following: Wheat, Chickpea, Maize and Mustard. How many of these are dicot plants?

Explanation:

Link:

Question (19)

Which observation would correctly place a plant in the shrub category?

Explanation:

Link:

Question (20)

A student recorded the following organisms in a pond ecosystem: Fish, Frog, Duck and Lotus. Which statement is correct?

Explanation:

Link:

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