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In this page you can gain knowledge about all test all test across the Pakistan .. Siba Testing Service , NTS, OTS, PTS, etc

16/06/2022

Q 3
Length of Pak- Afghanistan Border.....?
a. 2050
b. 2266
c. 2255
d. 2252

Photos from Angry poetry's post 15/06/2022
14/06/2022
13/06/2022

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#:5
Biology(Science)
❣︎
Cell Cycle MCQs

1. The period between two consecutive divisions is called
A. Interphase
B. Resting phase
C. Mitotic phase
D. Cell cycle
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Answer: Option A

2. DNA is synthesized and chromosome number is doubled in
A. G1 phase
B. S phase
C. G2 phase
D. G0 phase
Hide Answer

Answer: Option B

3. In the case of neurons, post-mitotic cell escapes cell cycle and remain in _______ phase without proliferating further
A. G0 phase
B. G1 phase
C. G2 phase
D. S phase
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Answer: Option A

4. Which statement is incorrect?
A. In human, the cell cycle is about 24 hrs
B. Mitosis takes 30 min
C. G2 5.5 hrs
D. Yeast cell only 90 min
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Answer: Option C

5. Mitosis occurs in
A. Diploid cells only
B. Haploid cells only
C. Both diploid and haploid cells
D. Monoploid cells
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Answer: Option C

6. Microtubules are composed of
A. Action protein
B. Actin and myosin proteins
C. Sphingomyelin and tubulin
D. Tubulin protein and traces of RNA
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Answer: Option D

7. From each pair of centrioles ________ sets of microtubules originate
A. 2
B. 3
C. 4
D. 5
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Answer: Option B

8. Mitotic apparatus in animals is formed by
A. Aster and spindle
B. Polar and kinetochore microtubules
C. Spindle and RNA
D. Spindle only
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Answer: Option A

9. A special area of centromere with the specific base arrangement and specific proteins where spindle fibers are attached is called
A. Chromatin
B. Aster
C. Kinetochore
D. Primary constriction
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Answer: Option C

10. Each kinetochore gets ________ fibers in mitosis
A. 5
B. 4
C. 3
D. 2
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Answer: Option D

Page: STS IBA Preparation

13/06/2022

#2
First Governer General Of Pakistan Was?
A.Liaquat Ali Khan
B. Quaid e Azam
C. Chaudri Rahmat Ali
D. Khawaja Nazimuddin

13/06/2022

Largest Sea In the world is ?
A. Baltic Sea
B. Red Sea
C. South China Sea

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