Table of Contents
MCQ ON ORGANISM AND ENVIRONMENT CLASS 12
1. In this method Parents cell divides into many daughter cells.
a. Fission
b. Binary fission
c. Multiple fission
d. Budding
2. Pericarp is the —— of the fruit.
a. leaf
b. wall
c. stem
d. root
3. What is meiocyte?
a. The cell undergoes meiosis
b. The cell undergoes mitosis
c. Both a and b
d. None of the above.
4. Juvenile phase represents the period of …………….. .
a. Growth
b. Death
c. Birth
d. None
5. All individuals produced as genetically identical are-
a. clone
b. off spring
c. fission
d. moneociuos
6. Sexual reproduction involves—division.
a. mitotic
b. meiotic
c. meiosis at some stages
d. None of the above.
7. In yeast cell division results in a small cell called ……………… .
a. off spring
b. bud
c. clone
d. branch
8. Multiple fission occurs in this organism ………… .
a. Paramecium
b. Plasmodium
c. Amoeba
d. All the above
9. In this plant, the site of origin of new plants is node.
a. Potato tuber
b. Onion bulb
c. Rhizome ginger
d. All the above
10. If the gametes are similar in their appearance they are called as ………… .
a. anisogametes
b. isogametes
c. Homogametes
d. Both c and b
ANSWERS:
| 1. c 2. b 3. a 4. a 5. a | 6. b 7. b 8. d 9. d 10.d |
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