NTSE Biology Cell Division MCQs

Question: In a cell, number of chromosomes is 44 after first meiosis. The number of chromosomes in its daughter cells after completion of meiosis is

• a) 44
• b) 22
• c) 11
• d) 66

Answer: 44

Question: Meiosis occurs in

• a) haploid cells
• b) mostly haploid cells but occasionally diploid cells
• c) diploid cells
• d) mostly diploid cells but occasionally haploid cells

Answer: diploid cells

Question: Synaptinemal complex is found associated with

• a) Paired meiotic chromosomes
• b) Lampbrush chromosomes
• c) Polytene chromosomes
• d) Mitotic chromosomes

Answer: Paired meiotic chromosomes

Question: Crossing over occurs in meiosis at a stage called

• a) Prophase I
• b) Prophase II
• c) Interphase
• d) Interkinesis

Answer: Prophase I

Question: Separation of homologous chromosomes is called as

• a) Disruption
• b) Bivalent formation
• c) Disjunction
• d) Crossing over

Answer: Disjunction

Question: Chiasmata are formed during

• a) Zygotene
• b) Pachatene
• c) Diplotene
• d) Leptotene

Answer: Diplotene

Question: Segregation of Mendelian factors (Aa) occurs during

• a) Diplotene
• b) Anaphase I
• c) Pachytene
• d) Leptotene

Answer: Pachytene

Question: Differentiated cells are

• a) Premitotic speciallised
• b) Post - mitotic specialised
• c) Premitotic speciallised
• d) Post - mitotic specialised

Answer: Post - mitotic specialised

Question: Suffix ‘S’ in ribosome unit indicates

• a) Sedimentation coefficient
• b) Solubility
• c) Surface area
• d) Size

Answer: Sedimentation coefficient

Question: Cytoplasmic streaming is absent in

• a) Plant cells
• b) Animal cells
• c) Protozoan protests
• d) Prokaryotes

Answer: Prokaryotes

More Questions..............

Question: Reorganization of genetic material occurs during

• a) Metamorphosis
• b) Organogenesis
• c) Mitosis
• d) Meiosis

Answer: Meiosis

Question: Mitosis is

• a) Karyokinesis
• b) Cytokinesis
• c) Reduction is chromosome number
• d) Both A and B

Answer: Both A and B

Question: Spindle fibers are formed of

• a) Tubulin
• b) Fibrin
• c) Flagellin
• d) Actin

Answer: Tubulin

Question: Stages in proper sequence of prophase I are

• a) Zygotene, Leptotene, Pachytene, Diakinesis and Diplotene
• b) Leptotene, Zygotene, Pachytene, Diplotene and Diakinesis
• c) Leptotene, Pachytene, Zygotene, Diakinesis and Diplotene
• d) Diplotene, Diakinesis, Panchytene, Zygotene and Leptotene

Answer: Leptotene, Zygotene, Pachytene, Diplotene and Diakinesis

Question: Segregation of Mendelian factors (Tt) occurs during -

• a) Mitosis
• b) Gametogenesis
• c) Meiosis II
• d) Cytokinesis

Answer: Gametogenesis

Question: Which of is connected with cell division ?

• a) ER
• b) Peroxisomes
• c) Ribosomes
• d) Microtubles

Answer: Microtubles