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

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

Question # 3

Chromosomal theory of inheritance was first formulated by.

Question # 4

Trial and error learning has no role in

Question # 5

In 1953 Watson and Crick proposed structure of the

Question # 6

The number of chromosomes in frog is

Question # 7

Chromosomal part which uncoils, during inter phase is called.

Question # 8

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

Question # 9

Pentose sugar in the molecule of DNA is

Question # 10

Which one of the following is initiation codon.

Question # 11

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

Question # 12

The copping of mRNA from DNA is called.

Question # 13

Advantage of pecking orders is to:

Question # 14

A chromosome with equal length of its arms.

Question # 15

Which one of the given is non sense codon.

Question # 16

A strand of DNA, which is not transcribed is called as.

Question # 17

Genetic code is a combination of 3 nucleotides in DNA which specify a particular

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FSc Part II Biology Chapter 0 Important MCQ's

Sr.# Question Answer
1 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA
2 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase
3 Innate behavior is all except;
A. Coded in DNA
B. Modified in individuals life span
C. Modified with species evolution
D. Programmed responses to external stimuli
4 Every gene starts with initiation codon AUG which encodes for the amino acid.
A. Lysine
B. Serine
C. Proline
D. Methionine
5 No of chromosomes in Honey bee are.
A. 6
B.
20
C. 32
D. 40
6 The base pairs in human genome are.
A. Two billion
B. Three billion
C. Four billion
D. Five billion
7 Which one is non-directed orientation?
A. Taxis
B. Kinesis
C. Tropism
D. Imprinting
8 Pentose sugar in the molecule of DNA is
A. Ribose
B. Deoxyribose
C. Sucrose
D. Lactose
9 A combination of three nucleotides of DNA that specifies as amio acid is called.
A. Cistron
B. Anticodon
C. Genetic code
D. Entron
10 Repeating units of DNA are called.
A. Histones
B. Nucleosides
C. Nucleotides
D. Amino acids

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