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

Chromosomal part which uncoils, during inter phase is called.

Question # 2

Which one of the following is initiation codon.

Question # 3

Amino acid attachment site of tRNA is.

Question # 4

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

Question # 5

Unlike most proteins, histones are.

Question # 6

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

Question # 7

Genetic code for the amino acid methionine is.

Question # 8

How many million nucleotides are in DNA of typical human chromosome

Question # 9

Origin site of replication is one in

Question # 10

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

Question # 11

Each Okazaki fragment is synthesized by.

Question # 12

The base pairs in human genome are.

Question # 13

Which one of the given is non sense codon.

Question # 14

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

Question # 15

Trial and error learning has no role in

Question # 16

DNA was discovered in

Question # 17

Repeating units of DNA are called.

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FSC Part 2 Biology Chapter 20 Online Test MCQ's

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FSc Part II Chapter 0 Important MCQ's

Sr.# Question Answer
1 The copping of mRNA from DNA is called.
A. Translation
B. Transduction
C. Transcription
D. Transformation
2 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
3 In sickle cell anemia code for glutamic acid is replaced by.
A. Leucine
B. Valine
C. Proline
D. Histidine
4 The number of chromosomes in frog is
A. 52
B. 26
C. 13
D. 7
5 Origin site of replication is one in
A. Prokaryotes
B. Eukaryotes
C. None of these
D. Both a & b
6 Chromosomal part which uncoils, during inter phase is called.
A. Chromatids
B. Satellite DNA
C. Euchromatin
D. Heterochromatin
7 Chromosomes appear inside the nucleus at the time of.
A. Cell division
B. Cell maturation
C. Cell elongation
D. Cell differentiation
8 Genetic code for the amino acid methionine is.
A. AUC
B. UGC
C. CGC
D. AUG
9 In 1953 Watson and Crick proposed structure of the
A. RNA molecule
B. ATP molecule
C. DNA molecule
D. NAD molecule
10 The base pairs in human genome are.
A. Two billion
B. Three billion
C. Four billion
D. Five billion

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