Question # 1

Highly condensed portions of the chromatin are called.

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Homochromatin

Heterochromatin

Euchromatin

Achromatin

In 1953 Watson and Crick proposed structure of the

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RNA molecule

ATP molecule

DNA molecule

NAD molecule

A combination of three nucleotides of DNA that specifies as amio acid is called.

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Cistron

Anticodon

Genetic code

Entron

Genetic code for the amino acid methionine is.

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AUC

UGC

CGC

AUG

A sequence of three nucleotides in mRNA is called.

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Cistron

Codon

Anticodon

Templet

Origin site of replication is one in

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Prokaryotes

Eukaryotes

None of these

Both a & b

Innate behavior is all except;

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Coded in DNA

Modified in individuals life span

Modified with species evolution

Programmed responses to external stimuli

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

The genetic code for glycine is.

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UAG

GAU

GUA

GGU

This condition appears as a result of point mutation.

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Down syndrome

Turner syndrome

Sickel cell Anaemia

Klinefelter syndrome

A central role for chromosomes in heredity was first suggested in 1900 by.

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Karl correns

W. Sutton

F. Griffiths

T.H.Morgan

V-shaped chromosomes are called.

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Acrocentric

Metacentric

Telocentric

submetacentric

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

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Template strand

Antisense strand

Lagging strand

coding strand

The number of chromosomes in frog is

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52

26

13

7

Human cells have 46 chromosomes consisting of

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20 pairs

21 pairs

22 pairs

23 pairs

Anti codes present on

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mRNA

tRNA

rRNA

DNA

RNA polymerase II synthesize.

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mRNA

tRNA

rRNA

cDNA

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

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Genotype

Phenotype

epistasis

Karvotype

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Biology Fsc Part 2 Chapter 6 Online Test MCQs With Answers

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