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Question (1)

QN008139

Sexual reproduction involves

(A) only one parent
(B) formation of spores only
(C) fusion of male and female gametes
(D) vegetative propagation

Correct Answer: C

Explanation:

Sexual reproduction involves fusion of male and female gametes.

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Question (2)

QN008140

Which cell division reduces chromosome number to half in gametes?

(A) Mitosis
(B) Binary fission
(C) Budding
(D) Meiosis

Correct Answer: D

Explanation:

Meiosis reduces chromosome number to half in gametes.

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Question (3)

QN008141

In humans, each gamete contains how many chromosomes?

(A) 46
(B) 23
(C) 92
(D) 44

Correct Answer: B

Explanation:

Human gametes contain 23 chromosomes.

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Question (4)

QN008142

A flower has both stamens and pistil. Such a flower is called

(A) incomplete flower
(B) bisexual flower
(C) unisexual flower
(D) sterile flower

Correct Answer: B

Explanation:

Flowers with both male and female reproductive parts are bisexual.

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Question (5)

QN008143

Which floral part produces pollen grains?

(A) Ovary
(B) Stigma
(C) Anther
(D) Sepal

Correct Answer: C

Explanation:

Anther produces pollen grains.

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Question (6)

QN008144

Which structure contains the female gamete in flowering plants?

(A) Petal
(B) Ovule
(C) Filament
(D) Sepal

Correct Answer: B

Explanation:

Ovule contains the egg cell or female gamete.

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Question (7)

QN008145

Transfer of pollen from anther to stigma is called

(A) fertilisation
(B) germination
(C) pollination
(D) budding

Correct Answer: C

Explanation:

Pollination is the transfer of pollen grains to stigma.

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Question (8)

QN008146

Which type of pollination occurs within the same flower or same plant?

(A) Cross-pollination
(B) Artificial pollination
(C) Self-pollination
(D) Wind pollination

Correct Answer: C

Explanation:

Self-pollination occurs within the same flower or plant.

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Question (9)

QN008147

In cross-pollination, pollen grains are transferred between

(A) roots of same plant
(B) flowers of different plants of same species
(C) leaves of same plant
(D) flowers of different species

Correct Answer: B

Explanation:

Cross-pollination occurs between flowers of different plants of the same species.

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Question (10)

QN008148

Which agent pollinates maize most commonly?

(A) Birds
(B) Water
(C) Wind
(D) Insects

Correct Answer: C

Explanation:

Maize is mainly wind-pollinated.

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Question (1)

Sexual reproduction involves

Explanation:

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Question (2)

Which cell division reduces chromosome number to half in gametes?

Explanation:

Link:

Question (3)

In humans, each gamete contains how many chromosomes?

Explanation:

Link:

Question (4)

A flower has both stamens and pistil. Such a flower is called

Explanation:

Link:

Question (5)

Which floral part produces pollen grains?

Explanation:

Link:

Question (6)

Which structure contains the female gamete in flowering plants?

Explanation:

Link:

Question (7)

Transfer of pollen from anther to stigma is called

Explanation:

Link:

Question (8)

Which type of pollination occurs within the same flower or same plant?

Explanation:

Link:

Question (9)

In cross-pollination, pollen grains are transferred between

Explanation:

Link:

Question (10)

Which agent pollinates maize most commonly?

Explanation:

Link:

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