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

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

Question # 2

All the 64 codons were tested by

Question # 3

The no of chromosome in mouse is

Question # 4

In 1882, chromosomes were first observed by.

Question # 5

Human cells contain types of tRNA molecules.

Question # 6

Which one of the following is initiation codon.

Question # 7

A gene with initiation codon, which encodes the amino acid methionine is.

Question # 8

Which one is non-directed orientation?

Question # 9

Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.

Question # 10

Highly condensed portions of the chromatin are called.

Question # 11

Walter Fleming first discovered chromosomes in the dividing cells of.

Question # 12

The base pairs in human genome are.

Question # 13

Genetic code for the amino acid methionine is.

Question # 14

Chromosomal part which uncoils, during inter phase is called.

Question # 15

Adenine and guanine are called

Question # 16

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

Question # 17

Origin site of replication is one in

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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 Unlike most proteins, histones are.
A. Positively charges
B. Neutral
C. discharged
D. Negatively charged
2 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
3 In sickle cell anemia code for glutamic acid is replaced by.
A. Leucine
B. Valine
C. Proline
D. Histidine
4 Chromosomal part which uncoils, during inter phase is called.
A. Chromatids
B. Satellite DNA
C. Euchromatin
D. Heterochromatin
5 Which of the following is a non sense codon.
A. UGA
B. UGG
C. AUG
D. AUC
6 Walter Fleming first discovered chromosomes in the dividing cells of.
A. Frog larvae
B. Sea urchin larvae
C. Insect larvae
D. Salamander larvae
7 How many million nucleotides are in DNA of typical human chromosome
A. 140
B. 160
C. 180
D. 200
8 Which one is non-directed orientation?
A. Taxis
B. Kinesis
C. Tropism
D. Imprinting
9 Origin site of replication is one in
A. Prokaryotes
B. Eukaryotes
C. None of these
D. Both a & b
10 The genetic code for glycine is.
A. UAG
B. GAU
C. GUA
D. GGU

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