15710.Cells in G0 phase of cell cycle
Exit cell cycle
Enter cell cycle
Suspend cell cycle
Terminate cell cycle
15711.Which of the following events takes place during Diplotene stage of prophase I of meiosis?
Compaction of chromosomes
Formation of synaptonemal complexes
Formation of recombinational nodules
Dissolution of synaptonemal complex
15712.Which of the following is unique to mitosis and not a part of meiosis?
Homologous chromosomes pair and form bivalents
Chromatids are separated during anaphase
Homologous chromosomes behave independently
Homologous chromosomes crossover
15713.Assertion: Phase of cell division is also known as formative phase.
Reason: In formative phase new cells are produced from pre-existing cells through meiosis division.
Reason: In formative phase new cells are produced from pre-existing cells through meiosis division.
Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.
Assertion is true, but Reason is false.
Both Assertion and Reason are false.
15716.The non-sister chromatids twist around and exchange segments with each other during
Leptotene
Diakinesis
Diplotene
Pachytene
15717.Study the following lists and select the correct match from the option given below.
| List-I | List-II |
|---|---|
| (A) Initiation of spindle fibres | (I) Anaphase - I |
| (B) Synthesis of RNA and Protein | (II) Zygotene |
| (C) Action of endonuclease | (III) G1 phase |
| (D) Movement of chromatids towards opposite poles | (IV) Pachytene |
| (V) Anaphase - II |
A - I, B - III, C - V, D - IV
A - III, B - II, C - I, D - V
A - II, B - III, C - IV, D - V
A - V, B - III, C - I, D - II
15718.Crossing-over results in
Recombination of linked alleles
Dominance of alleles
Segregation of alleles
Linkage between genes
15719.From the following, identify the two correct statements with reference to meiosis
I. Bead like structure are absent on chromosomes.
II. Displacement of chiasmata occurs in diakinesis.
III. Separation of two basic sets of chromosomes.
IV. No division of centromere.
The correct statements are:
I. Bead like structure are absent on chromosomes.
II. Displacement of chiasmata occurs in diakinesis.
III. Separation of two basic sets of chromosomes.
IV. No division of centromere.
The correct statements are:
III, IV
II, IV
II, III
I, III