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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MCQ's Test For Chapter 0 "Biology FSC Part 2 Chapter 20 Online MCQ's Test"

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Biology FSC Part 2 Chapter 20 Online MCQ's Test

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Question # 1

Pentose sugar in the molecule of DNA is

Question # 2

Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.

Question # 3

Each Okazaki fragment is synthesized by.

Question # 4

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

Question # 5

Okazaki fragments are about 1000 - 2000 nucleotides long in

Question # 6

In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called

Question # 7

Which of the following polymerase synthesize tRNA.

Question # 8

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

Question # 9

Which one is non-directed orientation?

Question # 10

Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a

Question # 11

Which one of the following is initiation codon.

Question # 12

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

Question # 13

Human cells have 46 chromosomes consisting of

Question # 14

Which one of the given is non sense codon.

Question # 15

Innate behavior is all but;

Question # 16

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

Question # 17

No of chromosomes in Honey bee are.

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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 Human cells have 46 chromosomes consisting of
A. 20 pairs
B. 21 pairs
C. 22 pairs
D. 23 pairs
2 In 1944 Oswald Avery along with Colin Macleod and Maclyn McCarty repeated experiments of
A. Lamarck
B. Griffith
C. Darwin
D. Spemann
3 Each tRNA has a sequence of three bases called anticodon which is complementary to codon of
A. rRNA
B. tRNA
C. mRNA
D. snRNA
4 Genetic code is a combination of 3 nucleotides in DNA which specify a particular
A. Amino acid
B. Fatty acid
C. Vitamin
D. Steriod
5 Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.
A. Transcription
B. Replication
C. Translation
D. Transformation
6 Highly condensed portions of the chromatin are called.
A. Homochromatin
B. Heterochromatin
C. Euchromatin
D. Achromatin
7 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
8 Innate behavior is all but;
A. Heritable
B. Intrinsic
C. Sterotypic
D. Flexible
9 The number of chromosomes in frog is
A. 52
B. 26
C. 13
D. 7
10 Okazaki fragments are about 1000 - 2000 nucleotides long in
A. Prokaryotes
B. Eukaryotes
C. Both a & b
D. None of these

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