NEET 2025 MCQ with Answer : Sexual Reproduction in flowering plants.

81. Which part of the flower is responsible for producing gametes?

A) Sepal
B) Stamen
C) Ovary
D) Petal

Answer: B) Stamen

82. Which structure in a seed provides nourishment to the developing plant?

A) Seed coat
B) Cotyledon
C) Endosperm
D) Zygote

Answer: C) Endosperm

83. The genetic material in pollen grains is carried to the ovule by which structure?

A) Stigma
B) Pollen tube
C) Style
D) Anther

Answer: B) Pollen tube

84. Which process describes the development of a seed from a fertilized ovule?

A) Germination
B) Seed formation
C) Fertilization
D) Pollination

Answer: B) Seed formation

85. What is the role of the cotyledon in a seed?

A) To protect the seed
B) To provide nourishment to the embryo
C) To facilitate photosynthesis
D) To produce pollen

Answer: B) To provide nourishment to the embryo

86. What type of plants are characterized by having two seed leaves?

A) Monocots
B) Dicots
C) Gymnosperms
D) Ferns

Answer: B) Dicots

87. What is the term for the tiny opening in the seed coat through which water enters during germination?

A) Micropyle
B) Hilum
C) Cotyledon
D) Endosperm

Answer: A) Micropyle

88. Which of the following plants primarily relies on wind for pollination?

A) Roses
B) Orchids
C) Grasses
D) Sunflowers

Answer: C) Grasses

89. Which hormone promotes seed germination and growth?

A) Auxin
B) Ethylene
C) Gibberellin
D) Abscisic acid

Answer: C) Gibberellin

90. The female gametophyte in flowering plants develops from which of the following?

A) Microspore
B) Megasporangium
C) Ovule
D) Pollen grain

Answer: B) Megasporangium