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Question (21)

QN0036142

Which pair correctly identifies the male and female reproductive parts of a flower?

(A) Pistil and stamen
(B) Stamen and pistil
(C) Ovary and anther
(D) Stigma and filament

Correct Answer: B

Explanation:

Stamen is the male reproductive part and pistil is the female reproductive part.

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Question (22)

QN0036143

A flower contains both stamens and pistil. How should it be classified?

(A) Unisexual
(B) Bisexual
(C) Asexual
(D) Vegetative

Correct Answer: B

Explanation:

A flower containing both stamens and pistil is bisexual.

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Question (23)

QN0036144

A flower contains only stamens. Which statement follows directly from this observation?

(A) It is a bisexual flower
(B) It is a unisexual flower
(C) It cannot produce pollen
(D) It contains no reproductive structure

Correct Answer: B

Explanation:

A flower containing only one type of reproductive organ is unisexual.

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Question (24)

QN0036145

A pollen grain lands on the sticky terminal part of the pistil. What must happen next for fertilisation to occur?

(A) The pollen grain must directly become a seed
(B) A pollen tube must grow through the style towards the ovary
(C) The ovary must become a pollen grain
(D) The stigma must develop into an embryo

Correct Answer: B

Explanation:

A pollen tube grows through the style towards the ovary so that the male germ-cell can reach the female germ-cell.

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Question (25)

QN0036146

A student observes that pollen from Flower A reaches the stigma of Flower B. Which process has occurred?

(A) Self-pollination
(B) Cross-pollination
(C) Fertilisation
(D) Germination

Correct Answer: B

Explanation:

Transfer of pollen from one flower to another is cross-pollination.

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Question (26)

QN0036147

Which sequence correctly represents the major events after fertilisation in a flowering plant?

(A) Seed → zygote → ovule → fruit
(B) Zygote → embryo → seed; ovary → fruit
(C) Embryo → pollen → fruit → zygote
(D) Ovary → pollen → embryo → seed

Correct Answer: B

Explanation:

The zygote develops into an embryo, the ovule develops into a seed, and the ovary develops into a fruit.

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Question (27)

QN0036148

A seed remains inactive until suitable environmental conditions become available, after which a seedling develops. What is this process called?

(A) Pollination
(B) Germination
(C) Fertilisation
(D) Fragmentation

Correct Answer: B

Explanation:

Germination is the development of a seed embryo into a seedling under suitable conditions.

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Question (28)

QN0036149

A plant produces flowers, but pollen grains are not transferred to a suitable stigma. Which event is most directly prevented?

(A) Formation of leaves
(B) Pollination
(C) Photosynthesis
(D) Vegetative propagation

Correct Answer: B

Explanation:

Pollination is the transfer of pollen grains to the stigma.

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Question (29)

QN0036150

A student says, "Pollination and fertilisation are the same event." Which observation disproves the statement?

(A) Pollination is pollen transfer, while fertilisation involves fusion of male and female germ-cells
(B) Both occur only in roots
(C) Fertilisation occurs before pollen is produced
(D) Pollination produces seeds directly without any other event

Correct Answer: A

Explanation:

Pollination is pollen transfer, whereas fertilisation is the fusion of male and female germ-cells.

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Question (30)

QN0036151

During puberty, general body growth begins to slow and reproductive tissues begin to mature. What is this period called?

(A) Germination
(B) Puberty
(C) Regeneration
(D) Fertilisation

Correct Answer: B

Explanation:

Puberty is the period during adolescence when reproductive tissues mature.

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Question (21)

Which pair correctly identifies the male and female reproductive parts of a flower?

Explanation:

Link:

Question (22)

A flower contains both stamens and pistil. How should it be classified?

Explanation:

Link:

Question (23)

A flower contains only stamens. Which statement follows directly from this observation?

Explanation:

Link:

Question (24)

A pollen grain lands on the sticky terminal part of the pistil. What must happen next for fertilisation to occur?

Explanation:

Link:

Question (25)

A student observes that pollen from Flower A reaches the stigma of Flower B. Which process has occurred?

Explanation:

Link:

Question (26)

Which sequence correctly represents the major events after fertilisation in a flowering plant?

Explanation:

Link:

Question (27)

A seed remains inactive until suitable environmental conditions become available, after which a seedling develops. What is this process called?

Explanation:

Link:

Question (28)

A plant produces flowers, but pollen grains are not transferred to a suitable stigma. Which event is most directly prevented?

Explanation:

Link:

Question (29)

A student says, "Pollination and fertilisation are the same event." Which observation disproves the statement?

Explanation:

Link:

Question (30)

During puberty, general body growth begins to slow and reproductive tissues begin to mature. What is this period called?

Explanation:

Link:

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