Question

CHOOSE THE CORRECT OPTION
1. Reproduction through fragmentation takes place in (a) algae (b) bacteria (c) moss (d) yeast
2. Which of the following is not a vegetative part of a plant? (a) Fruit (b) Leaves (c) Roots (d) Stem
3. Reproduction or propagation by tuber is common in (a) bryophyllum (b) corn (c) banana (d) potato
4. propagate through sub-aerial stems. (a) Cocoa (b) Gladiolus (c) Strawberry (d) Onion
5. Which of the following is pollinated by insect? (a) China rose (b) Hydrilla (c) Coconut (d) Maize
6. Testes are located in a sac called sac. (a) urethra O (b) penis (c) vas deferens (d) scrotal
7. A hollow pear-shaped organ and a site for embryo to develop is called (a) vagina (c) fallopian tube (b) uterus (d) cervix. ​

Answer 1

Answer:

During asexual reproduction in spirogyra its filaments break into single cells. After this each cell grows into a new filament by mitosis and cell enlargement. This process leads to formation of new spirogyra.

Answer 2

Answer:

1. a
2. b
3. a
4. d
5. a
6. c
7. c

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