Second Year Biology Chapter 20 Online MCQ Test for 2nd Year Biology Chapter 20 Chromosomes and DNA Preparation

FSC Part 2 Biology
Chapter 20 Test

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Biology FSC Part 2 Chapter 20 Online MCQ's Test

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Question # 1

Advantage of pecking orders is to:

Question # 2

This condition appears as a result of point mutation.

Question # 3

The no of chromosome in mouse is

Question # 4

Unlike most proteins, histones are.

Question # 5

Which of the following is a 'start' codon

Question # 6

Okazaki fragments are about 1000 - 2000 nucleotides long in

Question # 7

The copping of mRNA from DNA is called.

Question # 8

How many million nucleotides are in DNA of typical human chromosome

Question # 9

A gene with initiation codon, which encodes the amino acid methionine is.

Question # 10

All the 64 codons were tested by

Question # 11

Histones are positively charged due to an abundance of the basic amino acids

Question # 12

Which one of the given is non sense codon.

Question # 13

Innate behavior is all except;

Question # 14

V-shaped chromosomes are called.

Question # 15

Pentose sugar in the molecule of DNA is

Question # 16

32P and 35S labeled viruses were used in his experiments by

Question # 17

Each Okazaki fragment is synthesized by.

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FSC Part 2 Biology Chapter 20 Online Test MCQ's

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FSc Part II Biology Chapter 0 Important MCQ's

Sr.# Question Answer
1 A central role for chromosomes in heredity was first suggested in 1900 by.
A. Karl correns
B. W. Sutton
C. F. Griffiths
D. T.H.Morgan
2 Which one is non-directed orientation?
A. Taxis
B. Kinesis
C. Tropism
D. Imprinting
3 RNA polymerase II synthesize.
A. mRNA
B. tRNA
C. rRNA
D. cDNA
4 Advantage of pecking orders is to:
A. Avoids injury to the strong animals
B. Protect territory
C. Find suitable mate
D. Assign specific role to individual subordinates
5 How many million nucleotides are in DNA of typical human chromosome
A. 140
B. 160
C. 180
D. 200
6 The no of chromosome in mouse is
A. 6
B. 32
C. 26
D. 40
7 Adenine and guanine are called
A. Purines
B. Pyrmidines
C. Both a & b
D. None of these
8 Genetic code for the amino acid methionine is.
A. AUC
B. UGC
C. CGC
D. AUG
9 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
10 Which one of the following is initiation codon.
A. AUG
B. GUA
C. UGA
D. GAC

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