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

A sequence of three nucleotides in mRNA is called.

Question # 2

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

Question # 3

Pentose sugar in the molecule of DNA is

Question # 4

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

Question # 5

The no of chromosome in mouse is

Question # 6

Which of the following polymerase synthesize tRNA.

Question # 7

All the 64 codons were tested by

Question # 8

Highly condensed portions of the chromatin are called.

Question # 9

Amino acid attachment site of tRNA is.

Question # 10

In the double helix of DNA adenine forms two hydrogen bonds with

Question # 11

DNA changes are called mutations and the organisms that have undergone such changes are called

Question # 12

DNA was discovered in

Question # 13

Advantage of pecking orders is to:

Question # 14

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

Question # 15

Chromosomes appear inside the nucleus at the time of.

Question # 16

A chromosome with equal length of its arms.

Question # 17

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

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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 This condition appears as a result of point mutation.
A. Down syndrome
B. Turner syndrome
C. Sickel cell Anaemia
D. Klinefelter syndrome
2 V-shaped chromosomes are called.
A. Acrocentric
B. Metacentric
C. Telocentric
D. submetacentric
3 Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.
A. Transcription
B. Replication
C. Translation
D. Transformation
4 Human cells contain types of tRNA molecules.
A. 20
B. 45
C. 195
D. 300
5 Highly condensed portions of the chromatin are called.
A. Homochromatin
B. Heterochromatin
C. Euchromatin
D. Achromatin
6 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA
7 All the 64 codons were tested by
A. Marshall Nirenberg
B. Philip Leader
C. Har Gobind Khorana
D. All a,b,and,c
8 A gene with initiation codon, which encodes the amino acid methionine is.
A. UAA
B. UAG
C. AUG
D. UGG
9 In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called
A. -10 sequence
B. - 20 sequence
C. - 30 sequence
D. - 35 sequence
10 Pentose sugar in the molecule of DNA is
A. Ribose
B. Deoxyribose
C. Sucrose
D. Lactose

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    Keval

    12 Dec 2017

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