1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Which stage of meiosis can last for months or years in the oocytes of some vertebrates?

A
Diakinesis
B
Leptotene
C
Pachytene
D
Diplotene
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Identify the correct sequence of events during Prophase I of meiosis:

(a) Synapsis of homologous chromosomes

(b) Chromosomes become gradually visible under microscope

(c) Crossing over between non-sister chromatids of homologous chromosomes

(d) Terminalisation of chiasmata

(e) Dissolution of synaptonemal complex

Choose the correct answer from the options given below:

A
(a), (c), (d), (e), (b)
B
(a), (b), (c), (d), (e)
C
(b), (c), (d), (e), (a)
D
(b), (a), (c), (e), (d)
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Bivalent or Tetrad formation is a characteristic feature observed during

A
Chiasmata in zygotene stage
B
Synaptonemal complex in zygotene stage
C
Chiasmata in Diplotene stage
D
Synaptonemal complex in Pachytene stage
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

With respect to metaphase, which of the following statements is incorrect?

A
Chromosomes lie at the equator of the cell
B
Complete disintegration of nuclear envelope takes place
C
Chromosomes are highly condensed
D
Metaphase chromosomes are made up of four sister chromatids held together by centromere
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