Second Year Biology Chapter 21 Online MCQ Test for 2nd Year Biology Chapter 21 Cell Cycle Preparation

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Biology FSC Part 2 Chapter 21 Online MCQ's Test

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Question # 1

Crossing over occurs during.

Question # 2

First essential phenomenon of meiosis i.e pairing of homologous Chromosomes called synapsis starts in

Question # 3

The individuals have additional sex chromosome in

Question # 4

The chromatin material gets condensed by folding and chromosomes appear as thin thread in mitosis at the beginning of.

Question # 5

Fertilization of the ovum normal occurs:

Question # 6

Pairing of homologous chromosomes for tetrad formation starts at.

Question # 7

The stage of prophase that last for days, week or even year is.

Question # 8

Monqolism is the other name of.

Question # 9

The interphase of meiosis lacks the stage.

Question # 10

Cancer is caused mainly by mutation in.

Question # 11

Meiosis occurs only in

Question # 12

During cell division , the nuclear division is called

Question # 13

The kinetochore fibres of spindle attach to the kinetochore region of chromosome and align them at the equator of the spindle forming

Question # 14

Cell cycle involves.

Question # 15

Which pair of chromosome fails to segregate in down's syndrome.

Question # 16

The condensation of chromosomes reaches to its maximum during.

Question # 17

G1 is time between the end of mitosis and initiation of DNA synthesis also called as

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FSC Part 2 Biology Chapter 21 Online Test MCQ's

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FSc Part II Biology Chapter 0 Important MCQ's

Sr.# Question Answer
1 The individuals have additional sex chromosome in
A. Klinefelter's syndrome
B. Turner's syndrome
C. Down's syndrome
D. Sach's syndrome
2 The chances of teenage mother having down's syndrome child is.
A. One in one hundred
B. One in many thousand
C. One in one thousand
D. One in ten thousand
3 G1 is time between the end of mitosis and initiation of DNA synthesis also called as
A. Pre-DNA synthesis phase
B. DNA synthesis phase
C. Post-DNA synthesis phase
D. None of these
4 Which will occur as a result of nondescent of the testes?
A. Mal esex hormones will not be circulated in the body
B. Sperm will have no means of exit from the body
C. Inadequate blood supply will retard the development of the testes
D. Variable sperm willnot be produced
5 The number of sets of microtubules originate from each pair of centriole is.
A. 03
B. 04
C. 05
D. 06
6 Interphase period can be divided into.
A. G1,G2, G3
B. G1, G2, F1
C. G1, S, G2
D. S1, G1, S2
7 Crossing over occurs during.
A. Leptotene
B. Pachytene
C. Zygotene
D. Anaphase
8 Unequal separation of chromosomes is called.
A. Disjunction
B. Separation
C. Non disjunction
D. Metastasis
9 Post mitotic cells can exist the cell cycle during.
A. G1 Phase
B. G0 phase
C. G3 phase
D. S phase
10 Which one is absent in animal cells.
A. spindle
B. Centriole
C. Chromatids
D. Phragmoplast

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