1. Mitosis differs from meiosis in
a) Forming four haploid cells.
b) Pairing of homologous chromosomes and their subsequent separation.
c) Doubling of each chromosome and each pair showing four chromatids.
d) Duplication of chromosomes and subsequent separation of the duplicates.
Explanation: Mitosis differs from meiosis in duplication of chromosomes and subsequent separation of the duplicates.
2. The number of chromosomes present in pollen grains is six. What shall be their number in leaf
cells?
a) 12
b) 24
c) 6
d) 3
Explanation: 12
3. Meiosis occurs in
a) Liver
b) Kidney
c) Gonad
d) Brain
Explanation: Meiosis occurs in Gonad
4. Meiosis is
a) Disjunctional division
b) Equational division
c) Multiplicational division
d) Reductional division
Explanation: Meiosis is reductional division
5. The following diagram shows modification of the meiosis I. Identify A, B, C, D.
a) A–Telophase I, B–Anaphase I, C–Metaphase I, D–Prophase I
b) A–Prophase I, B–Metaphase I, C–Anaphase I, D–Telophase I
c) A–Metaphase I, B–Telophase I, C–Prophase I, D–Anaphase I
d) A–Anaphase I, B–Prophase I, C–Telophase I, D–Metaphase I
Explanation: A–Prophase I, B–Metaphase I, C–Anaphase I, D–Telophase I
6. Meiosis involves
a) Two nuclear divisions and two chromosome divisions
b) Two nuclear divisions and one chromosome division
c) One nuclear division and one chromosome division
d) One nuclear division and two chromosome divisions
Explanation: Meiosis involves two nuclear divisions and one chromosome division
7. Meiosis occurs in
a) Haploid cells
b) Diploid cells
c) Both haploid and diploid cells
d) Triploid cells
Explanation: Meiosis occurs in diploid cells
8. Which of the following statements is correct for meiosis?
a) First division is equational and the second is reductional
b) First division is reductional and the second is equational
c) Both divisions are equational
d) Both divisions are reductional
Explanation: First division is reductional and the second is equational
9. Meiosis can be studied in angiosperm in
a) Root apical meristem
b) Shoot apical meristem
c) Dividing cells of vascular cambium
d) Dividing pollen mother cells in anther
Explanation: Dividing pollen mother cells in anther
10. How many meiotic divisions are necessary to produce 600 pollen grains?
a) 50
b) 100
c) 150
d) 300
Explanation: 150