Question # 1

Which of the following statement about fossils is wrong

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Fossils are the actual remains of organisms

Fossils may be traces of organisms that lived in ancient geological times

Organisms that are embedded in sand resins or ice can not be considered in fossils

Most fossils are found in sedimentary rocks

The general formula of carbohydrate

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C₆H₁₂O₆

C₂₂H₁₁O₁₂

C_n(H₂O)_n

C₁₈H₂₀O₁₈

Primary wall is composed of

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Cellulose

Cutin

Lignin

Waxes

Which of the following about fungi is true

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Fungi included in plants

Fungi included in animals

Fungi characters are same to all organisms

Fungi placed in a separate kingdom

Plasmid pSC 101 has antibiotic resistance gene for

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Tetracycline

Penciline

Ampicillin

Streptomycin

In a nucleotide nitrogen base is attached to carbon no-----of pentose sugar

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1

2

3

4

Gene can be synthesized in the laboratory from messenger RNA, using reverse transcriptase this synthesized molecule is called

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Complementary RNA

Complementary DNA

Both A and B

None

Any substance that supplies the body with elements necessary for metabolism is called

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Nutrition

Excretion

Respiratory substance

Circulatory substance

Highly condensed portion of chromatin is called

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Euchromatin

Heterochromatin

Chromatin

All of above

The word virus is associated with

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Living

Dead

Disease and death

Normal

Rounded and wrinkled of seeds and all tall or dwarf plants represents

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Genotype

Genes

Phenotype

Homozygous genotype

Which one is not of the four phases of growth of multicellular plants

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Cell division

Zone of elongation

Maturation

Differentiation

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