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

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

Question # 2

Unlike most proteins, histones are.

Question # 3

Origin site of replication is one in

Question # 4

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

Question # 5

In sickle cell anemia disease, a single thymine is replaced with an adenine in the DNA that codes for.

Question # 6

Repeating units of DNA are called.

Question # 7

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

Question # 8

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

Question # 9

Which of the following polymerase synthesize tRNA.

Question # 10

Chromosomal part which uncoils, during inter phase is called.

Question # 11

The particular array of chromosomes that an individual possesses called its.

Question # 12

Which one is non-directed orientation?

Question # 13

This condition appears as a result of point mutation.

Question # 14

DNA was discovered in

Question # 15

Which of the following is a 'start' codon

Question # 16

Chromosomal theory of inheritance was first formulated by.

Question # 17

A sequence of three nucleotides in mRNA is 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 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 of the following is a 'start' codon
A. AUG
B. UAG
C. UAA
D. UGA
3 RNA polymerase II synthesize.
A. mRNA
B. tRNA
C. rRNA
D. cDNA
4 The copping of mRNA from DNA is called.
A. Translation
B. Transduction
C. Transcription
D. Transformation
5 The base pairs in human genome are.
A. Two billion
B. Three billion
C. Four billion
D. Five billion
6 Which one of the given is non sense codon.
A. AUG
B. ACU
C. GAU
D. UAA
7 A sequence of three nucleotides in mRNA is called.
A. Cistron
B. Codon
C. Anticodon
D. Templet
8 In 1882, chromosomes were first observed by.
A. John Brown
B. T.H.Morgan
C. Walter fleming
D. Walther sutton
9 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase
10 Chromosomes appear inside the nucleus at the time of.
A. Cell division
B. Cell maturation
C. Cell elongation
D. Cell differentiation

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    Keval

    12 Dec 2017

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