Question # 1

Adenine and guanine are called

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Purines

Pyrmidines

Both a & b

None of these

Lithosphere includes.

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Air

Water

Gases

Earth soil

Human appendix, coccyx and nictiating membrane of the eye are:

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Vestigical organs

Homologous organs

Analogous organs

Embroyonic organs

The organisms used a biofilters is.

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Transgenic plant

Transgenic bacteria

Transgenic animal

Transgenic virus

Abdomen has a peritoneal cavity lined by a thin epithelium called

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Pericardium

Peritoneum

Scrotal sac

Pleura

Different alleles of a gene that are both expressed in heterozygous condition are called.

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codominant

Over dominant

Complete dominant

Incomplete dominant

Syphilis is caused by a spirochete named as.

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Nisseria gonorrhea

Theponemapallidum

Escherichia coli

Hypomicrobium

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

Oxone molecule is made up by binding of three atoms of

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Nitrogen

Oxygen

Hydrogen

Carbon

The gene for blue opsin is present on autosome.

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7

11

19

21

Endosymbiont hypothesis explains origin of.

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cell

Prokaryotic cell

Eukaryotic cell

Ribosome

Hyponasty is caused by

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Auxin

Gibberellins

Abscisic acid

Cytokinins

Green colour blindness is called.

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Deiteranopia

Tritanopia

Protamptoa

colour blind

As CFC_s rise to the atmosphere ultraviolet rays release

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Fluorine

Chlorine

Carbon

Hydrogen

Trisomy of chromosome 18 is found in.

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Down's syndrome

Edward syndrome

Patau syndrome

Jacob's syndrome

MN blood group is example of

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Complete dominance

Co- dominance

Over dominance

Incomplete dominance

The spread of tumor cells and establishment of secondary area of growth is known as.

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Necrosis

Apoptosis

Metastasis

Epigenesis

Which one of the fllowing acts as a stop codon?

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UGG

UGC

UAG

UGU

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