NCERT Class 9 Science MCQ Chapter 11 Reproduction: How Life Continues English Medium As Per New Syllabus. NCERT Class 9 Science MCQ Chapter 11 Reproduction: How Life Continues Notes to each chapter is provided in the list so that you can easily browse throughout different chapter NCERT Class 9 Science MCQ Chapter 11 Reproduction: How Life Continues Question Answer Download PDF and select needs one. CBSE Class 9 Science Multiple Choice Solutions.
NCERT Class 9 Science MCQ Chapter 11 Reproduction: How Life Continues
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Reproduction: How Life Continues
Chapter – 11
| MCQ |
Tick the Correct Options:
1. What is the biological process by which living beings produce new individuals of their own kind called?
(a) Digestion.
(b) Respiration.
(c) Reproduction.
(d) Excretion.
Ans: (c) Reproduction.
2. Which method of asexual reproduction involves a small outgrowth enlarging and separating from the parent body, as seen in hydra?
(a) Spore formation.
(b) Budding.
(c) Tissue culture.
(d) Cutting.
Ans: (b) Budding.
3. Which method of vegetative propagation involves inserting a stem piece of one plant into a slit on another healthy rooted plant?
(a) Layering.
(b) Cutting.
(c) Grafting.
(d) Tissue culture.
Ans: (c) Grafting.
4. What are the tiny round structures inside the sac of a bread mould that help it reproduce rapidly?
(a) Seeds.
(b) Buds.
(c) Pollen grains.
(d) Spores.
Ans: (d) Spores.
5. How many pairs of chromosomes are present in a normal human cell?
(a) 23.
(b) 46.
(c) 21.
(d) 24.
Ans: (a) 23.
6. Which special type of cell division reduces the chromosome number to half to form gametes?
(a) Mitosis.
(b) Meiosis.
(c) Fission.
(d) Fragmentation.
Ans: (b) Meiosis.
7. Which part of the flower is the male reproductive organ?
(a) Pistil.
(b) Petal.
(c) Stamen.
(d) Sepal.
Ans: (c) Stamen.
8. What are the three subparts of a pistil in a flower?
(a) Anther, filament, and pollen.
(b) Stigma, style, and ovary.
(c) Sepal, petal, and receptacle.
(d) Radicle, plumule, and cotyledon.
Ans: (b) Stigma, style, and ovary.
9. The transfer of pollen grains from the anther of a flower to the stigma of a flower on another plant of the same type is known as:
(a) Self-pollination.
(b) Cross-pollination.
(c) Fertilisation.
(d) Germination.
Ans: (b) Cross-pollination.
10. Flowers of plants like wheat and maize that are pollinated by wind generally have:
(a) Brightly coloured petals and sweet nectar.
(b) Large, sticky pollen grains.
(c) Light, small pollen grains produced in large numbers.
(d) Strong fragrances to attract pollinators.
Ans: (c) Light, small pollen grains produced in large numbers.
11. After fertilisation in plants, what does the ovary directly develop into?
(a) Seed.
(b) Fruit.
(c) Stem.
(d) Leaf.
Ans: (b) Fruit.
12. In which of the following animals does external fertilisation typically take place?
(a) Birds.
(b) Lizards.
(c) Frogs.
(d) Humans.
Ans: (c) Frogs.
13. What is the intermediate feeding stage in the life cycle of a butterfly called?
(a) Pupa.
(b) Adult.
(c) Larva.
(d) Zygote.
Ans: (c) Larva.
14. Where are sperm produced in the human male reproductive system?
(a) Vas deferens.
(b) Urethra.
(c) Prostate gland.
(d) Testes.
Ans: (d) Testes.
15. Why are the testes located in the scrotum outside the main body cavity?
(a) To protect them from physical injury.
(b) To keep them slightly cooler than normal body temperature for sperm formation.
(c) To allow easy movement of sperm.
(d) To connect directly to the seminal vesicles.
Ans: (b) To keep them slightly cooler than normal body temperature for sperm formation.
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