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

Repeating units of DNA are called.

Question # 2

Okazaki fragments are about 1000 - 2000 nucleotides long in

Question # 3

The stand which elongates towards the replication fork is.

Question # 4

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

Question # 5

The genetic code for glycine is.

Question # 6

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

Question # 7

The base pairs in human genome are.

Question # 8

Highly condensed portions of the chromatin are called.

Question # 9

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

Question # 10

No of chromosomes in Honey bee are.

Question # 11

V-shaped chromosomes are called.

Question # 12

The no of chromosome in mouse is

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

How many million nucleotides are in DNA of typical human chromosome

Question # 17

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

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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 Genetic code is a combination of 3 nucleotides in DNA which specify a particular
A. Amino acid
B. Fatty acid
C. Vitamin
D. Steriod
2 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
3 This condition appears as a result of point mutation.
A. Down syndrome
B. Turner syndrome
C. Sickel cell Anaemia
D. Klinefelter syndrome
4 The no of chromosome in mouse is
A. 6
B. 32
C. 26
D. 40
5 Genetic code for the amino acid methionine is.
A. AUC
B. UGC
C. CGC
D. AUG
6 No of chromosomes in Honey bee are.
A. 6
B.
20
C. 32
D. 40
7 Advantage of pecking orders is to:
A. Avoids injury to the strong animals
B. Protect territory
C. Find suitable mate
D. Assign specific role to individual subordinates
8 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
9 Repeating units of DNA are called.
A. Histones
B. Nucleosides
C. Nucleotides
D. Amino acids
10 Highly condensed portions of the chromatin are called.
A. Homochromatin
B. Heterochromatin
C. Euchromatin
D. Achromatin

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  • Keval

    Keval

    12 Dec 2017

    Hi

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  • Asan rao

    Asan rao

    10 Dec 2016

    great opportunity to become something

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