Fsc Part 2 Biology Online MCQs With Answer-Chapter 21 Cell Cycle

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Sr.#	Question	Answer
1	Which one is absent in animal cells.	A. spindle B. Centriole C. Chromatids D. Phragmoplast
2	Contractile ring in cytokinesis is formed by	A. Tubulin B. Actin and Myosin C. Keratin D. Cyclin
3	The corpus luteum is formed at the site of	A. Fertilization B. Ovulation C. Mensturation D. Implantation
4	The most critical phase of mitosis, which ensures equal distribution of chromatids in the daughter cells is.	A. Prophase B. Tele phase C. Meta phase D. Anaphase
5	Unequal separation of chromosomes is called.	A. Disjunction B. Separation C. Non disjunction D. Metastasis
6	The average cell cycle in human is.	A. 24 hours B. 26 hours C. 28 hours D. 30 hours
7	The human egg is swept through the oviduct toward the uterus by:	A. The beating of the egg's cilia B. Rhythmic contraction of the uterus C. Rhythmic contraction of the oviduct D. The beating of the cilia in the oviduct
8	The stage that lasts for days, weeks or event years	A. Zygotene B. Leptotene C. Pachytene D. Diplotene
9	The basic difference betweenn spermatogenesis and oogenesis is that :	A. During spermatogenesis two more polar bodies are produced B. The mature ovum is haploid while the sperm is 1n C. Spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only D. In oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced
10	Chiasmata formation take place duirng.	A. Leptotene B. diakinesis C. Diplotene D. Pachytene