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

In 1953 Watson and Crick proposed structure of the

Question # 2

Which of the following is a non sense codon.

Question # 3

No of chromosomes in Honey bee are.

Question # 4

Which one of the following is initiation codon.

Question # 5

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

Question # 6

A sequence of three nucleotides in mRNA is called.

Question # 7

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

Question # 8

The base pairs in human genome are.

Question # 9

Adenine and guanine are called

Question # 10

A chromosome with equal length of its arms.

Question # 11

Genetic code for the amino acid methionine is.

Question # 12

The genetic code for glycine is.

Question # 13

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

Question # 14

The number of chromosomes in frog is

Question # 15

Which of the following is a 'start' codon

Question # 16

DNA was discovered in

Question # 17

Which of the following polymerase synthesize tRNA.

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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 disease, a single thymine is replaced with an adenine in the DNA that codes for.
A. Valine
B. Glycine
C. Histidine
D. Glutamic acid
2 RNA polymerase II synthesize.
A. mRNA
B. tRNA
C. rRNA
D. cDNA
3 The base pairs in human genome are.
A. Two billion
B. Three billion
C. Four billion
D. Five billion
4 A gene with initiation codon, which encodes the amino acid methionine is.
A. UAA
B. UAG
C. AUG
D. UGG
5 Which of the following is a non sense codon.
A. UGA
B. UGG
C. AUG
D. AUC
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 Anti codes present on
A. mRNA
B. tRNA
C. rRNA
D. DNA
9 Which of the following is a 'start' codon
A. AUG
B. UAG
C. UAA
D. UGA
10 Chromosomal part which uncoils, during inter phase is called.
A. Chromatids
B. Satellite DNA
C. Euchromatin
D. Heterochromatin

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