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Question (1)

QN0034342

A sequence that shows who eats whom in an ecosystem is called a ________.

(A) habitat
(B) food chain
(C) population
(D) community

Correct Answer: B

Explanation:

A food chain shows feeding relationships among organisms.

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Question (2)

QN0034343

In a food chain, the organism that makes its own food is called a ________.

(A) consumer
(B) decomposer
(C) producer
(D) scavenger

Correct Answer: C

Explanation:

Producers make their own food using sunlight.

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Question (3)

QN0034344

Which of the following is a producer?

(A) Grass
(B) Rabbit
(C) Snake
(D) Hawk

Correct Answer: A

Explanation:

Grass is a producer.

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Question (4)

QN0034345

In the food chain Grass → Rabbit → Fox, the rabbit is a ________.

(A) producer
(B) primary consumer
(C) secondary consumer
(D) decomposer

Correct Answer: B

Explanation:

Rabbit feeds directly on grass.

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Question (5)

QN0034346

Which organism occupies the first trophic level in a food chain?

(A) Herbivore
(B) Carnivore
(C) Producer
(D) Decomposer

Correct Answer: C

Explanation:

Producers occupy the first trophic level.

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Question (6)

QN0034347

In the food chain Grass → Deer → Tiger, which organism is the secondary consumer?

(A) Grass
(B) Deer
(C) Tiger
(D) None

Correct Answer: C

Explanation:

Tiger feeds on the deer.

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Question (7)

QN0034348

A grassland contains 90 grass plants, 30 rabbits, and 10 foxes. What is the ratio of producers : primary consumers : secondary consumers?

(A) 9 : 3 : 1
(B) 3 : 2 : 1
(C) 9 : 1 : 3
(D) 1 : 3 : 9

Correct Answer: A

Explanation:

90 : 30 : 10 = 9 : 3 : 1.

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Question (8)

QN0034349

Which direction does energy flow in a food chain?

(A) Consumers to producers
(B) Producers to consumers
(C) Decomposers to producers
(D) Carnivores to herbivores

Correct Answer: B

Explanation:

Energy flows from producers to consumers.

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Question (9)

QN0034350

In the food chain Grass → Grasshopper → Frog → Snake, the frog occupies the ________ trophic level.

(A) first
(B) second
(C) third
(D) fourth

Correct Answer: C

Explanation:

Frog is at the third trophic level.

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Question (10)

QN0034351

Which of the following is a primary consumer?

(A) Goat
(B) Tiger
(C) Eagle
(D) Snake

Correct Answer: A

Explanation:

Goat feeds directly on plants.

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Question (1)

A sequence that shows who eats whom in an ecosystem is called a ________.

Explanation:

Link:

Question (2)

In a food chain, the organism that makes its own food is called a ________.

Explanation:

Link:

Question (3)

Which of the following is a producer?

Explanation:

Link:

Question (4)

In the food chain Grass → Rabbit → Fox, the rabbit is a ________.

Explanation:

Link:

Question (5)

Which organism occupies the first trophic level in a food chain?

Explanation:

Link:

Question (6)

In the food chain Grass → Deer → Tiger, which organism is the secondary consumer?

Explanation:

Link:

Question (7)

A grassland contains 90 grass plants, 30 rabbits, and 10 foxes. What is the ratio of producers : primary consumers : secondary consumers?

Explanation:

Link:

Question (8)

Which direction does energy flow in a food chain?

Explanation:

Link:

Question (9)

In the food chain Grass → Grasshopper → Frog → Snake, the frog occupies the ________ trophic level.

Explanation:

Link:

Question (10)

Which of the following is a primary consumer?

Explanation:

Link:

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