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Question (11)

QN0034192

Which process transfers pollen from stamens to carpels?

(A) Germination
(B) Pollination
(C) Respiration
(D) Decomposition

Correct Answer: B

Explanation:

Pollination is the transfer of pollen from stamens to carpels.

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Question (12)

QN0034193

Bees are important in ecosystems because they help in ________.

(A) decomposition
(B) erosion
(C) pollination
(D) evaporation

Correct Answer: C

Explanation:

Bees act as important pollinators.

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Question (13)

QN0034194

In a pond with fish, the number of dragonflies was found to be lower because fish eat ________.

(A) bees
(B) butterflies
(C) dragonfly larvae
(D) flowers

Correct Answer: C

Explanation:

Fish feed on dragonfly larvae, reducing their population.

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Question (14)

QN0034195

A pond has fish that reduce dragonfly numbers. What is the most likely effect on pollinating insects?

(A) Their numbers decrease.
(B) Their numbers increase.
(C) They disappear completely.
(D) They stop pollination.

Correct Answer: B

Explanation:

Fewer dragonflies means less predation on pollinators.

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Question (15)

QN0034196

Which sequence best explains higher seed production near ponds containing fish?

(A) Fish ↑ → Dragonflies ↑ → Pollinators ↓ → Seeds ↓
(B) Fish ↑ → Dragonflies ↓ → Pollinators ↑ → Seeds ↑
(C) Fish ↓ → Pollinators ↑ → Seeds ↓
(D) Fish ↑ → Pollinators ↓ → Seeds ↑

Correct Answer: B

Explanation:

Fish reduce dragonflies, increasing pollinators and seed production.

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Question (16)

QN0034197

Which of the following is an interaction between biotic and abiotic components?

(A) Frog eating insects
(B) Snake eating fish
(C) Fish laying eggs in water
(D) Frog competing with fish

Correct Answer: C

Explanation:

Fish (biotic) interacting with water (abiotic).

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Question (17)

QN0034198

Water evaporating rapidly due to sunlight is an interaction between ________.

(A) two biotic components
(B) biotic and abiotic components
(C) two abiotic components
(D) populations only

Correct Answer: C

Explanation:

Water and sunlight are both abiotic components.

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Question (18)

QN0034199

Earthworms living in moist soil demonstrate interaction between ________.

(A) biotic and abiotic components
(B) two abiotic components
(C) two populations
(D) community and ecosystem

Correct Answer: A

Explanation:

Earthworm is biotic and soil is abiotic.

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Question (19)

QN0034200

The interaction of biotic and abiotic components in an area forms a(n) ________.

(A) species
(B) ecosystem
(C) population
(D) trophic level

Correct Answer: B

Explanation:

Biotic and abiotic interactions together form an ecosystem.

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Question (20)

QN0034201

Which of the following is an aquatic ecosystem?

(A) Forest
(B) Grassland
(C) Pond
(D) Farm

Correct Answer: C

Explanation:

A pond is an aquatic ecosystem.

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Question (11)

Which process transfers pollen from stamens to carpels?

Explanation:

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Question (12)

Bees are important in ecosystems because they help in ________.

Explanation:

Link:

Question (13)

In a pond with fish, the number of dragonflies was found to be lower because fish eat ________.

Explanation:

Link:

Question (14)

A pond has fish that reduce dragonfly numbers. What is the most likely effect on pollinating insects?

Explanation:

Link:

Question (15)

Which sequence best explains higher seed production near ponds containing fish?

Explanation:

Link:

Question (16)

Which of the following is an interaction between biotic and abiotic components?

Explanation:

Link:

Question (17)

Water evaporating rapidly due to sunlight is an interaction between ________.

Explanation:

Link:

Question (18)

Earthworms living in moist soil demonstrate interaction between ________.

Explanation:

Link:

Question (19)

The interaction of biotic and abiotic components in an area forms a(n) ________.

Explanation:

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Question (20)

Which of the following is an aquatic ecosystem?

Explanation:

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