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

The number of nucleotides in the DNA of a typical human chromosome is about

Question # 2

Genetic code is a combination of 3 nucleotides in DNA which specify a particular

Question # 3

RNA polymerase II synthesize.

Question # 4

Each Okazaki fragment is synthesized by.

Question # 5

Genetic code for the amino acid methionine is.

Question # 6

Pentose sugar in the molecule of DNA is

Question # 7

A chromosome with equal length of its arms.

Question # 8

Each tRNA has a sequence of three bases called anticodon which is complementary to codon of

Question # 9

Innate behavior is all except;

Question # 10

Innate behavior is all but;

Question # 11

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

Question # 12

In the double helix of DNA adenine forms two hydrogen bonds with

Question # 13

The stand which elongates towards the replication fork is.

Question # 14

The base pairs in human genome are.

Question # 15

The no of chromosome in mouse is

Question # 16

In 1953, F . Sanger described the sequence of amino acids of.

Question # 17

Human cells have 46 chromosomes consisting of

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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 Morphological characteristics of chromosome are collectively called.
A. Holotype
B. Karyokinesis
C. Karyotype
D. Neotype
2 Innate behavior is all but;
A. Heritable
B. Intrinsic
C. Sterotypic
D. Flexible
3 Each Okazaki fragment is synthesized by.
A. RNA Polymerase
B. DNA polymerase
C. DNA polymerase I
D. DNA polymerase III
4 Which one of the following is initiation codon.
A. AUG
B. GUA
C. UGA
D. GAC
5 RNA polymerase II synthesize.
A. mRNA
B. tRNA
C. rRNA
D. cDNA
6 In 1944 Oswald Avery along with Colin Macleod and Maclyn McCarty repeated experiments of
A. Lamarck
B. Griffith
C. Darwin
D. Spemann
7 In 1953 Watson and Crick proposed structure of the
A. RNA molecule
B. ATP molecule
C. DNA molecule
D. NAD molecule
8 Human cells have 46 chromosomes consisting of
A. 20 pairs
B. 21 pairs
C. 22 pairs
D. 23 pairs
9 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA
10 Genetic code is a combination of 3 nucleotides in DNA which specify a particular
A. Amino acid
B. Fatty acid
C. Vitamin
D. Steriod

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