Biology - Comprehensive Mock Test 68

Question 671 Easy

DNA replication takes place during ?

A) S - phase B) G2 - phase C) G1 - phase D) Prophase

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Question 672 Easy

Cytoplasmic division of a cell is called ?

A) Cell plate formation B) Cytokinesis C) Mitosis D) Synapsis

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Question 673 Easy

Crossing-over results in ?

A) Recombination of linked alleles B) Dominance of alleles C) Segregation of alleles D) Linkage between genes

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Question 674 Easy

Centromere is a constituent of ?

A) Ribosome B) ER C) Chromosome D) Mitochondrion

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Question 675 Medium

Which of the following cellular structures always disappears during mitosis and meiosis?

A) Plasma membrane B) Nucleolus and nuclear envelope C) Plastids D) none of these

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Question 676 Easy

Cell plate grows from ?

A) One wall to another B) Centre to wall C) Wall to centre D) Simultaneously

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Question 677 Easy

Balbiani rings occur in ?

A) Autosome B) Heterosome C) Lampbrush chromosome D) Polytene chromosome

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Question 678 Easy

Protein subunit found within microtubules is ?

A) Collagen B) Tubulin C) Myosin D) DNA

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Question 679 Easy

Chiasmata are first seen in ?

A) Pachytene B) Zygotene C) Leptotene D) Diplotene

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Question 680 Medium

The stage in which daughter chromosomes move toward the poles of the spindle is ?

A) Anaphase B) Metaphase C) Prophase D) Telophase

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