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

Every gene starts with initiation codon AUG which encodes for the amino acid.

Question # 2

In 1953 Watson and Crick proposed structure of the

Question # 3

Trial and error learning has no role in

Question # 4

This condition appears as a result of point mutation.

Question # 5

The number of chromosomes in frog is

Question # 6

Innate behavior is all except;

Question # 7

Which one is non-directed orientation?

Question # 8

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

Question # 9

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

Question # 10

Morphological characteristics of chromosome are collectively called.

Question # 11

RNA polymerase II synthesize.

Question # 12

Each Okazaki fragment is synthesized by.

Question # 13

Unlike most proteins, histones are.

Question # 14

Highly condensed portions of the chromatin are called.

Question # 15

Origin site of replication is one in

Question # 16

Walter Fleming first discovered chromosomes in the dividing cells of.

Question # 17

All the 64 codons were tested by

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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 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase
2 32P and 35S labeled viruses were used in his experiments by
A. Watson & Crick
B. Hershey & Chase
C. Wilkins & Franklin
D. Correns & Bridge
3 Innate behavior is all but;
A. Heritable
B. Intrinsic
C. Sterotypic
D. Flexible
4 A chromosome with equal length of its arms.
A.
Acrocentric
B. Metacentric
C. sub meta centric
D. Telocentric
5 A gene with initiation codon, which encodes the amino acid methionine is.
A. UAA
B. UAG
C. AUG
D. UGG
6 How many million nucleotides are in DNA of typical human chromosome
A. 140
B. 160
C. 180
D. 200
7 Origin site of replication is one in
A. Prokaryotes
B. Eukaryotes
C. None of these
D. Both a & b
8 The number of nucleotides in the DNA of a typical human chromosome is about
A. 10 Million
B. 40 million
C. 80 million
D. 140 million
9 The copping of mRNA from DNA is called.
A. Translation
B. Transduction
C. Transcription
D. Transformation
10 In 1953, F . Sanger described the sequence of amino acids of.
A. Myoglobin
B. Insulin
C. Keratin
D. Globulin

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