Question # 1

Innate behavior is all but;

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Heritable

Intrinsic

Sterotypic

Flexible

Pentose sugar in the molecule of DNA is

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Ribose

Deoxyribose

Sucrose

Lactose

Anti codes present on

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mRNA

tRNA

rRNA

DNA

The copping of mRNA from DNA is called.

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Translation

Transduction

Transcription

Transformation

Chromosomal theory of inheritance was first formulated by.

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Karl Correns

T.H.Morgan

W. Sutton

Carvin Bridges

No of chromosomes in Honey bee are.

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6

20

32

40

Walter Fleming first discovered chromosomes in the dividing cells of.

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Frog larvae

Sea urchin larvae

Insect larvae

Salamander larvae

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

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Transcription

Replication

Translation

Transformation

Human cells contain types of tRNA molecules.

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20

45

195

300

Human cells have 46 chromosomes consisting of

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20 pairs

21 pairs

22 pairs

23 pairs

Which of the following is a 'start' codon

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AUG

UAG

UAA

UGA

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

In 1882, chromosomes were first observed by.

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John Brown

T.H.Morgan

Walter fleming

Walther sutton

Which of the following polymerase synthesize tRNA.

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RNA Polymerase -I

RNA Polymerase -III

RNA Polymerase -II

DNA Polymerase

In 1953 Watson and Crick proposed structure of the

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RNA molecule

ATP molecule

DNA molecule

NAD molecule

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

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Histomone

Nucleosome

Peroxisome

Glyoxisome

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

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Watson & Crick

Hershey & Chase

Wilkins & Franklin

Correns & Bridge

Which one of the given is non sense codon.

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AUG

ACU

GAU

UAA

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