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MCQ on Reproduction in Flowering Plants

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What is the reproductive structure of flowering plants?
A) Stamen
B) Pistil
C) Sepal
D) Petal
Answer: B
Explanation: The pistil is the female reproductive structure of flowering plants, consisting of the stigma, style, and ovary.

What is the male reproductive structure of flowering plants?
A) Stamen
B) Pistil
C) Sepal
D) Petal
Answer: A
Explanation: The stamen is the male reproductive structure of flowering plants, consisting of the anther and filament.

What is the process of transfer of pollen grains from the anther to the stigma of a flower?
A) Pollination
B) Fertilization
C) Germination
D) Photosynthesis
Answer: A
Explanation: Pollination is the process of transfer of pollen grains from the anther to the stigma of a flower, either by wind or by animals such as bees, birds, or butterflies.

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What is the process of fusion of male and female gametes to form a zygote?
A) Pollination
B) Fertilization
C) Germination
D) Photosynthesis
Answer: B
Explanation: Fertilization is the process of fusion of male and female gametes to form a zygote, which develops into an embryo within a seed.

What is the female gamete in flowering plants?
A) Ovary
B) Egg cell
C) Stigma
D) Style
Answer: B
Explanation: The egg cell, also known as the female gamete, is located in the ovary of a flower.

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Which of the following is not a method of pollination?
A) Wind pollination
B) Self-pollination
C) Insect pollination
D) Root pollination
Answer: D
Explanation: Pollination can occur through various methods, such as wind, self, insect, or animal pollination, but root pollination is not a valid method.

What is the name of the process of transfer of pollen grains from the anther to the stigma of the same flower?
A) Self-pollination
B) Cross-pollination
C) Insect pollination
D) Wind pollination
Answer: A
Explanation: Self-pollination is the process of transfer of pollen grains from the anther to the stigma of the same flower, resulting in the fertilization of the egg cell within the same flower.

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Which part of the flower produces pollen grains?
A) Anther
B) Stigma
C) Ovary
D) Style
Answer: A
Explanation: The anther is the part of the flower that produces pollen grains, which contain the male gametes.

What is the name of the structure that develops from the ovary after fertilization and contains the seeds?
A) Stigma
B) Style
C) Ovule
D) Fruit
Answer: D
Explanation: The fruit is the structure that develops from the ovary after fertilization and contains the seeds, which can be dispersed by animals or other means.

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What is the function of the stigma in a flower?
A) To produce pollen grains
B) To receive pollen grains
C) To produce seeds
D) To attract pollinators
Answer: B
Explanation: The stigma is the part of the pistil that receives the pollen grains during pollination, and it plays a crucial role in fertilization.

Which part of the flower protects the developing bud before it blooms?
A) Stamen
B) Pistil
C) Sepal
D) Petal
Answer: C

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