A: | Mitosis does play a role in gamete formation. |
R: | Haploid organisms divide by mitosis. |
1. | Both Assertion & Reason are true and the Reason is the correct explanation of the Assertion. |
2. | Both Assertion & Reason are true but the Reason is not the correct explanation of the Assertion |
3. | Assertion is a true statement but Reason is false. |
4. | Both Assertion and Reason are false statements. |
Read the four statements (a-d) and choose the correct option.
a. | Spindle fibers attach to kinetochores of chromosomes during metaphase. |
b. | Cell growth results in disturbing the ratio between the nucleus and the cytoplasm. |
c. | Pachytene stage is relatively short-lived compared to the leptotene. |
d. | Interkinesis is a short-lived stage characterized by duplication of DNA. |
1 a, b & c are correct
2 Only c is incorrect
3 b & d are correct
4 a & b are correct
Consider the following four statements (I- IV) related to cell cycle, and select the correct option stating them as true (T) and false (F)
I. Cell growth in terms of cytoplasmic increase is a continuous process.
II. Interphase is the phase of actual cell division.
III. The number of chromosomes doubles in S-phase.
IV. The cell that do not divide further exits G1-phase to enter a metabolically inactive stage.
Options :
I II III IV
1. T F F F
2. F T T T
3. F F T T
4. T F F T