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

Adenine and guanine are called

Question # 2

Origin site of replication is one in

Question # 3

In 1882, chromosomes were first observed by.

Question # 4

Genetic code for the amino acid methionine is.

Question # 5

RNA polymerase II synthesize.

Question # 6

Which of the following is a 'start' codon

Question # 7

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

Question # 8

All the 64 codons were tested by

Question # 9

A central role for chromosomes in heredity was first suggested in 1900 by.

Question # 10

A chromosome with equal length of its arms.

Question # 11

The genetic code for glycine is.

Question # 12

Which one of the given is non sense codon.

Question # 13

A combination of three nucleotides of DNA that specifies as amio acid is called.

Question # 14

Chromosomal theory of inheritance was first formulated by.

Question # 15

The copping of mRNA from DNA is called.

Question # 16

Which one of the following is initiation codon.

Question # 17

Morphological characteristics of chromosome are collectively called.

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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 In sickle cell anemia code for glutamic acid is replaced by.
A. Leucine
B. Valine
C. Proline
D. Histidine
2 Unlike most proteins, histones are.
A. Positively charges
B. Neutral
C. discharged
D. Negatively charged
3 Genetic code for the amino acid methionine is.
A. AUC
B. UGC
C. CGC
D. AUG
4 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
5 The particular array of chromosomes that an individual possesses called its.
A. Genotype
B. Phenotype
C. epistasis
D. Karvotype
6 A sequence of three nucleotides in mRNA is called.
A. Cistron
B. Codon
C. Anticodon
D. Templet
7 A chromosome with equal length of its arms.
A.
Acrocentric
B. Metacentric
C. sub meta centric
D. Telocentric
8 The copping of mRNA from DNA is called.
A. Translation
B. Transduction
C. Transcription
D. Transformation
9 In 1882, chromosomes were first observed by.
A. John Brown
B. T.H.Morgan
C. Walter fleming
D. Walther sutton
10 Each Okazaki fragment is synthesized by.
A. RNA Polymerase
B. DNA polymerase
C. DNA polymerase I
D. DNA polymerase III

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