MCQ 61
Which of the following structures is primarily involved in the process of pollination?
A) Petals
B) Roots
C) Stems
D) Leaves
Answer: A) Petals
Explanation: Petals attract pollinators, facilitating the process of pollination.
MCQ 62
What is the function of the ovary in a flower?
A) Producing nectar
B) Attracting pollinators
C) Developing into fruit
D) Absorbing nutrients
Answer: C) Developing into fruit
Explanation: The ovary develops into fruit after fertilization, encasing the seeds.
MCQ 63
Which plant structure is involved in the transportation of nutrients?
A) Xylem
B) Phloem
C) Root hairs
D) Stomata
Answer: B) Phloem
Explanation: Phloem is responsible for transporting nutrients and sugars throughout the plant.
MCQ 64
What type of plant is characterized by having two cotyledons?
A) Monocot
B) Dicot
C) Herbaceous
D) Annual
Answer: B) Dicot
Explanation: Dicotyledonous plants have two cotyledons in their seeds, distinguishing them from monocots.
MCQ 65
Which structure in plants is responsible for the absorption of light?
A) Roots
B) Leaves
C) Stems
D) Flowers
Answer: B) Leaves
Explanation: Leaves are the main sites of photosynthesis, absorbing light for the process.
MCQ 66
Which part of the flower is often modified to form a fleshy fruit?
A) Stamen
B) Petal
C) Carpel
D) Ovule
Answer: C) Carpel
Explanation: The carpel, specifically the ovary, develops into a fleshy fruit to protect and disperse seeds.
MCQ 67
What type of inflorescence has a central axis with flowers growing directly from it?
A) Umbel
B) Spike
C) Raceme
D) Panicle
Answer: B) Spike
Explanation: In a spike, flowers are directly attached to the central stem without individual pedicels.
MCQ 68
Which of the following is a characteristic of herbaceous plants?
A) Hard, woody stems
B) Green stems
C) Deep root systems
D) Thick bark
Answer: B) Green stems
Explanation: Herbaceous plants have soft, green stems that die back at the end of the growing season.
MCQ 69
Which part of a seed provides nourishment to the developing plant embryo?
A) Seed coat
B) Endosperm
C) Cotyledon
D) Hilum
Answer: B) Endosperm
Explanation: The endosperm serves as a food reserve for the developing embryo in the seed.
MCQ 70
Which flower structure produces the female gametes?
A) Anther
B) Stigma
C) Ovary
D) Ovule
Answer: D) Ovule
Explanation: Ovules develop within the ovary and produce female gametes (eggs).
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