CBSE Science Class 7
Reproduction in Plants
Reproduction in Plants - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Very Short Q&A:
Q1: What is unisexual flower?
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Ans:
A flower may have either male or female reproductive parts. Such a flower is called unisexual flowers.
Q2: The fusion of male and female gametes is termed as _____________.
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Q3: Seed dispersal take place by
- Wind
- Water
- Animals
- All of the above.
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Q4: Name the different modes of asexual reproduction.
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Ans:
There are different methods by which plants reproduce asexually. They are vegetative propagation, budding, fragmentation and spore formation
Q5: Modes of reproduction evolve only one parent is called unisexual reproduction.True/ False
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Q6: Name vegetative parts of plants.
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Ans:
Root, stem and leaves.
Q7: Name the reproductive organ of a flowering plant.
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Q8: State the two types of reproduction inplants.
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Q9: What happens in sexual reproduction?
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Ans:
In sexual reproduction, the male and the female gametes fuse to form seeds that eventually develop into new plants.
Q10: The seeds are formed inside the______________.
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Q11: In asexual reproduction, a new plant is grown from any part of a plant involving the seeds.True/ False
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Q12: What is a node?
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Ans:
A node is a part of the stem from where a leaf grows.
Q13: _________________ Plant has buds on the edges of its leaves.
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Q14: What kind of roots is called tubers?
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Ans:
Roots that store food are known as tubers.
Q15: What kind of roots are the food storage tanks for the plants?
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Q16: Yeast reproduces by a process called___________________.
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Q17: Algae, the simplest green plants, reproduce by an asexual method known as _____________.
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Q18: What is a mould?
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Ans:
Mould is a type of fungus that grows on moist organic surfaces like leather shoes and moist walls.
Q19: How does a mould reproduce?
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Ans:
By the means of spores.
Q20: The anther of flower contains pollen sacs that produce____________________.
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Q21: Name the male reproductive unit of the flower.
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Q22: Bisexual flowers contain both the stamens and the pistil. True/ False
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Q23: Give examples of bisexual flower.
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Q24: Give examples of unisexual flower.
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Ans:
Cucumber, maize and watermelon.
Q25: How Pollen grains transfer from one flower to another?
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Ans:
By pollinating agents like wind, water and animals.
Q26: What is fertilization?
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Ans:
Fusion of the male and female gametes is called fertilisation.
Q27: The reproductive part of a plant is the
- Flower
- Stem
- Leaves
- Root
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Q28: Name the cell formed as product of fertilization.
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Q29: After fertilisation, the ovary changes into a
- Flower
- Seed
- Fruit
- None of these.
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Q30: A spore producing plant is
- Rose
- Bread mould
- Potato
- Ginger
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Q31: Bryophyllum can reproduce by its
- Stem
- Leaves
- Root
- Flower
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Q32: What is the other name for ovary?
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Q33: The stamen is male reproductive part or female reproductive part?
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Ans:
Male reproductive part.
Q34: Female gamete is formed in a ______________.
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Q35: Give examples of some seeds that are dispersed by animals.
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Q36: Give examples of a seeds that is dispersed by water.
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Q37: _____________ is the female reproductive part of flower.
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Q38: Give examples of plants that reproduce by means of spores.
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