Table of Contents
MCQ ON ORGANISM AND ENVIRONMENT CLASS 12
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1. Find the propagules of ginger :
a. Runner
b. Bulbil
c. Rhizome
d. Bulb
2. Bulb acts as a propagule in :
a. Onion
b. Garlic
c. Agave
d. Both and b
3. Gametes are usually :
a. Haploid
b. Diploid
c. Both a and b
d. None of the above.
4. If the gametes are similar in their appearance they are called as:
a. anisogametes
b. isogametes
c. Homogametes
d. Both c and b
5. Find the monoecious plant:
a. Cocunut
b. Cucurbits
c. Both a and b
d. Papaya
6. In algae ——– is the medium for gamete transfer:
a. water
b. air
c. tentacles
d. anther
7. ——-is for increase the number of cells.
a. Cell enlargement
b. Cell division
c. Cell differentiation
d. Zygote
8. Gametes released in the surrounding medium:
a. Fishes and Amphibians
b. Mammals
c. Earthworm
d. Both a and b
9. Method of Gamete transfer:
a. Pollination
b. Pollen
c. Zygote
d. Tentacles
10. Development of zygote depends on:
a. Life cycle of the organism
b. Environment it is exposed to
c. Both a and b
d. None of the above
ANSWERS:
| 1. c 2. a 3. a 4. c 5. c | 6. a 7. b 8. a 9. a 10. c |
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ALSO VISIT :1. Anatomy of flowering plants