91. What term describes the first stage of seedling development after germination?
A) Cotyledon stage
B) Vegetative stage
C) Embryonic stage
D) Flowering stage
Answer: A) Cotyledon stage
92. In flowering plants, the male reproductive cells are produced in the:
A) Ovary
B) Anther
C) Stigma
D) Carpel
Answer: B) Anther
93. Which type of flower is designed to attract hummingbirds?
A) Small and fragrant
B) Bright red and tubular
C) Large and showy
D) White and night-blooming
Answer: B) Bright red and tubular
94. Which part of the flower is typically green and protects the developing bud?
A) Petal
B) Sepal
C) Stamen
D) Carpel
Answer: B) Sepal
95. What is the function of the pollen grain?
A) To nourish the seed
B) To carry male gametes
C) To attract pollinators
D) To protect the ovule
Answer: B) To carry male gametes
96. Which of the following is an example of a plant that reproduces through apomixis?
A) Mango
B) Dandelion
C) Wheat
D) Sunflower
Answer: B) Dandelion
97. In flowering plants, the zygote develops into:
A) Ovule
B) Seed
C) Fruit
D) Endosperm
Answer: B) Seed
98. Which type of fertilization involves the fusion of one sperm with the egg and another sperm with two polar nuclei?
A) Single fertilization
B) Double fertilization
C) Triple fusion
D) Asexual reproduction
Answer: B) Double fertilization
99. What is the main function of the flower’s fragrance?
A) To provide nourishment
B) To deter herbivores
C) To attract specific pollinators
D) To protect the ovary
Answer: C) To attract specific pollinators
100. Which of the following is a characteristic of monocots?
A) Two cotyledons
B) Parallel leaf veins
C) Net-like leaf venation
D) Flower parts in multiples of four or five
Answer: B) Parallel leaf veins
101. What is the primary function of fruit in flowering plants?
A) To produce flowers
B) To aid in photosynthesis
C) To protect and disperse seeds
D) To attract pollinators
Answer: C) To protect and disperse seeds
102. Which structure is formed from the ovary wall after fertilization?
A) Seed
B) Fruit
C) Endosperm
D) Cotyledon
Answer: B) Fruit
103. What environmental factor can trigger seed germination?
A) Cold temperatures
B) Light exposure
C) Water availability
D) All of the above
Answer: D) All of the above
Leave a comment