2018
AIIMS
MCQ
AIIMS 2018
Match the stages of meiosis in column I to their characteristic features in Column II and select the correct option using the codes given below.
| Column I | Column II | ||
|---|---|---|---|
| A. | Diakinesis | 1. | Crossing over takes place |
| B. | Pachytene | 2. | Terminalisation of chiasmata |
| C. | Zygotene | 3. | Chromosomes align at equatorial place |
| D. | Metaphase | 4. | Pairing of homologous chromosomes |
A.
A - 1, B - 2, C - 3, D - 4
B.
A - 2, B - 4, C - 1, D - 3
C.
A - 4, B - 3, C - 1, D - 3
D.
A - 2, B - 1, C - 4, D - 3
2018
AIIMS
MCQ
AIIMS 2018
Assertion Meiotic division occurs in reproductive cells.
Reason Synapsis occurs during zygotene of meiosis.
A.
Both A and R are true and R is the correct explanation of A
B.
Both A and R are true, but R is not the correct explanation of A
C.
A is true, but R is false
D.
A and R are false
2018
AIIMS
MCQ
AIIMS 2018
Assertion In mitosis, two identical cells are produced from a single cell and karyokinesis is followed by cytokinesis.
Reason Cytokinesis is of two types, i.e. by cell-furrow method and cell-plate method.
A.
Both A and R are true and R is the correct explanation of A
B.
Both A and R are true, but R is not the correct explanation of A
C.
A is true, but R is false
D.
A and R are false