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Biology Chromosomes and DNA Test Mcqs Online Preparation

Biology Chromosomes and DNA Test Mcqs With Answers Online Preparation Start Below

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Question 1 of 15

1. Genetic code is:
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Synthesis of protein is called:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Polymerase III progressively threads the DNA through the enzyme complex moving at rapid rate, some:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The sequence of nucleotides that determines the amino acid sequence of a protein is called a:
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. X-rays diffraction analysis of DNA was carried on by
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. If the DNA in all of the cells of an adult human were lined up end to end, it would stretch nearly:
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Point mutation occurs in:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Three nitrogen atoms are present in a molecule of:
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The Meselon – Stahl experiments shows that DNA replication is
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Successive amino acid bearing tRNAs will bind at
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. RNA polymers III synthesizes
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. During termination release factor will bind at
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Which of the following is not a stop codon?
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Number of nucleotides in the DNA of a typical human chromosome is about
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Which of the following is not a part of nucleoside?
A.
B.
C.
D.

Question 15 of 15


 

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