Biology FSC Part 2 Chapter 21 Online MCQ's Test With Answers

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Biology FSC Part 2 Chapter 21 Online MCQ's Test

Sr. # Questions Answers Choice
1 Embryo implants in the _________ of the uterus. Perimetrium Myometrium Endometrium <sup>Cervix</sup>
2 The human egg is swept through the oviduct toward the uterus by: The beating of the egg's cilia Rhythmic contraction of the uterus Rhythmic contraction of the oviduct The beating of the cilia in the oviduct
3 Fertilization of the ovum normal occurs: In the upper thrid of the oviduct In the lower thrid of the oviduct In the uterus Can take place succcessfully in vegina
4 Gonadotropin releasing hormone is responsible for the strimulating release of which hormone? LH Progestrone Secretin Insulin
5 Three sets of microtubules (fibres) originate from each pair of Glyoxisomes Iysosomes Peroxisomes Centrioless
6 The series of changes which involve period of growths replication of DNA followed ny cell division may be named as DNA cycle Nuclear cycle Cell cycle Chemical cycle
7 The pairing of homologous chromosomes is completed in Leptotene Zygotene Pachytene Diplotene
8 The kinetochore fibres of spindle attach to the kinetochore region of chromosome and align them at the equator of the spindle forming Equatorial plate Metaphase plate Central plate Both a &amp; b
9 Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid Cell membrane Capsule Sheath Cell wall
10 Nuclear membrane disorganizes at the beginning of Prophase 1 Metaphase 1 Anaphase 1 Telophase 1
11 Mitosis may be divided into two phases Karyikinesis &amp; cytokinesis Karyikinesis &amp; diakinesis Diakinesis&nbsp;&amp; cytokinesis Exokinesis &amp; endokinesis
12 Interphase can further be divided into G<sub>1</sub>-phase,S-phase and G<sub>2</sub>-phase G<sub>1</sub>-phase,G<sub>2</sub>-phase and&nbsp;G<sub>3</sub>-phase S<sub>1</sub>-phase,S<sub>2</sub>-phase and&nbsp;S<sub>3</sub>-phase S<sub>1</sub>-phase,G-phase and&nbsp;S<sub>2</sub>-phase
13 First essential phenomenon of meiosis i.e pairing of homologous Chromosomes called synapsis starts in Leptotene Zygotene Pachytene Diplotene
14 The individuals have additional sex chromosome in Klinefelter's syndrome Turner's syndrome Down's syndrome Sach's syndrome
15 G1 is time between the end of mitosis and initiation of DNA synthesis also called as Pre-DNA synthesis phase DNA synthesis phase Post-DNA synthesis phase None of these
16 Each bivalent has Twochromatids Four chromatids Both a &amp; b None of these
17 Downs syndrome (Mongolism) occurs in man during which 21st chromosome falls to segregate resulting gamete with 20 chromosomes 21&nbsp;chromosomes 22&nbsp;chromosomes 24&nbsp;chromosomes
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