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

FSC Part 2 Biology
Chapter 21 Test

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Biology FSC Part 2 Chapter 21 Online MCQ's Test

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Question # 1

Crossing over and random assortment of chromosomes are two significant happenings of

Question # 2

The human egg is swept through the oviduct toward the uterus by:

Question # 3

The tumor which is localized and not transferred to other body parts.

Question # 4

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

Question # 5

Chiasmata formation take place duirng.

Question # 6

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

Question # 7

The basic difference betweenn spermatogenesis and oogenesis is that :

Question # 8

Cell death due to tissue damage is called.

Question # 9

The condensation of chromosomes reaches to its maximum during.

Question # 10

In turner syndrome the affected person have set of chromosomes.

Question # 11

Fertilization of the ovum normal occurs:

Question # 12

Full cell cycle in yeast cells has length of.

Question # 13

A network of very fine threads called chromatin can be visualized in call during

Question # 14

Cancer is caused mainly by mutation in.

Question # 15

At cytokinesis in plants a membrane structure phragmoplast is formed from vesicles which originate from

Question # 16

Meiosis occurs only in

Question # 17

Microtubule are composed of

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FSC Part 2 Biology Chapter 21 Online Test MCQ's

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FSc Part II Class Biology Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following chromosome abnormalities lead to tallness, aggressiveness mental defect and anti social behavior.
A. XXY
B. XXXY
C. XO
D. XYY
2 Trisomy of chromosome 18 is found in.
A. Down's syndrome
B. Edward syndrome
C. Patau syndrome
D. Jacob's syndrome
3 First essential phenomenon of meiosis i.e pairing of homologous Chromosomes called synapsis starts in
A. Leptotene
B. Zygotene
C. Pachytene
D. Diplotene
4 Apoptosis is.
A. Division of cells
B. Death of cells by tissue damage
C. suicide of cells
D. Weakness of cells
5 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
6 With in the ovary , progestetrone is produced by the:
A. Corpus albicans
B. Corpus Luteum
C. Tertairy follicles
D. Primary follicles
7 Nerve cells and eye lens cells remain in stage for life time.
A. G0
B. G1
C. S
D. G2
8 Downs syndrome (Mongolism) occurs in man during which 21st chromosome falls to segregate resulting gamete with
A. 20 chromosomes
B. 21 chromosomes
C. 22 chromosomes
D. 24 chromosomes
9 Chromatin network is visible during
A. Interphase
B. Prophase
C. Anaphase
D. Metaphase
10 Cancer is caused mainly by mutation in.
A. somatic cells
B. Sex cells
C. Malignant cells
D. Reproductive cells

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