9th class Biology, Chapter 9: Reproduction in Plants MCQs

1. Which of the following organisms commonly reproduce by binary fission?

1. (A) Yeast
2. (B) Bacteria ✓
3. (C) Rhizopus
4. (D) Plants

2. What is the primary method of reproduction in yeast?

1. (A) Binary fission
2. (B) Spore formation
3. (C) Budding ✓
4. (D) Fragmentation

3. What happens in some bacteria during harsh conditions?

1. (A) Creation of a bud that detaches from the cell
2. (B) Formation of thick-walled endospores ✓
3. (C) Splitting the cell into two identical daughter cells
4. (D) Fusion of two bacterial cells

4. Which of the following is an example of vegetative propagation through runners?

1. (A) Potato
2. (B) Strawberry ✓
3. (C) Onion
4. (D) Ginger

5. Which plant propagates through tubers?

1. (A) Onion
2. (B) Potato ✓
3. (C) Ginger
4. (D) Garlic

6. Which of these does NOT help a plant for vegetative propagation?

1. (A) Rhizome
2. (B) Corm
3. (C) Runner
4. (D) Flower ✓

7. Which of the following is NOT a part of carpel?

1. (A) Filament ✓
2. (B) Style
3. (C) Stigma
4. (D) Ovary

8. Which structure forms the female gametophyte in flowering plants?

1. (A) Pollen grain
2. (B) Ovule ✓
3. (C) Anther
4. (D) Sepal

9. The male gametophyte in flowering plants is known as:

1. (A) Pollen grain ✓
2. (B) Embryo sac
3. (C) Ovary
4. (D) Carpel

10. In the life cycle of flowering plants, which structure is triploid (3n)?

1. (A) Egg
2. (B) Fusion nucleus
3. (C) Endosperm nucleus ✓
4. (D) Sperm

11. Double fertilization involves:

1. (A) Fertilization of the egg by two male gametes
2. (B) Fertilization of two eggs in the same embryo sac by two sperms
3. (C) Fertilization of the egg and the fusion nucleus by two sperms ✓
4. (D) Fertilization of the egg and the tube cell by two sperms

12. The reproduction that does not involve the fusion of gametes is called:

1. (A) asexual reproduction ✓
2. (B) sexual reproduction
3. (C) fertilization
4. (D) pollination

13. The offspring produced by asexual reproduction are:

1. (A) genetically identical to the parents ✓
2. (B) different from the parents
3. (C) always male
4. (D) always seedless

14. In sexual reproduction the offspring:

1. (A) have variations among themselves and with the parents ✓
2. (B) are identical to the parent
3. (C) never differ
4. (D) do not form gametes

15. In vegetative propagation a new plant is produced from the:

1. (A) root, stem or leaf of the parent plant ✓
2. (B) seed of the parent plant
3. (C) pollen of the parent plant
4. (D) gametes of the parent plant

16. A horizontal stem that grows above the ground and has nodes where new plants form is a:

1. (A) stolon (runner) ✓
2. (B) tuber
3. (C) rhizome
4. (D) corm

17. The "eyes" of a potato are its:

1. (A) buds ✓
2. (B) roots
3. (C) leaves
4. (D) flowers

18. Ferns, ginger and sugar cane reproduce by:

1. (A) rhizomes ✓
2. (B) tubers
3. (C) bulbs
4. (D) corms

19. Tulips, onions and lilies reproduce by:

1. (A) bulbs ✓
2. (B) corms
3. (C) runners
4. (D) suckers

20. Dasheen and garlic reproduce by:

1. (A) corms ✓
2. (B) bulbs
3. (C) tubers
4. (D) stolons