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

Histones are positively charged due to an abundance of the basic amino acids

Question # 2

Genetic code for the amino acid methionine is.

Question # 3

No of chromosomes in Honey bee are.

Question # 4

Pentose sugar in the molecule of DNA is

Question # 5

The no of chromosome in mouse is

Question # 6

Trial and error learning has no role in

Question # 7

Advantage of pecking orders is to:

Question # 8

Unlike most proteins, histones are.

Question # 9

Innate behavior is all but;

Question # 10

Anti codes present on

Question # 11

Which of the following is a 'start' codon

Question # 12

In 1944 Oswald Avery along with Colin Macleod and Maclyn McCarty repeated experiments of

Question # 13

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

Question # 14

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

Question # 15

The stand which elongates towards the replication fork is.

Question # 16

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

Question # 17

A combination of three nucleotides of DNA that specifies as amio acid is 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 The base pairs in human genome are.
A. Two billion
B. Three billion
C. Four billion
D. Five billion
2 Which of the following polymerase synthesize tRNA.
A. RNA Polymerase -I
B. RNA Polymerase -III
C. RNA Polymerase -II
D. DNA Polymerase
3 RNA polymerase II synthesize.
A. mRNA
B. tRNA
C. rRNA
D. cDNA
4 Repeating units of DNA are called.
A. Histones
B. Nucleosides
C. Nucleotides
D. Amino acids
5 Highly condensed portions of the chromatin are called.
A. Homochromatin
B. Heterochromatin
C. Euchromatin
D. Achromatin
6 Amino acid attachment site of tRNA is.
A. G-end
B. 2' -end
C. 3'- end
D. 5' -end
7 32P and 35S labeled viruses were used in his experiments by
A. Watson & Crick
B. Hershey & Chase
C. Wilkins & Franklin
D. Correns & Bridge
8 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
9 Trial and error learning has no role in
A. Operant learning
B. Classical conditioning
C. Insight
D. Imprinting
10 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

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