Question # 1

In case of hydra ectodermal cells get food from endodermal cells by

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Osmosis

Diffusion

Facilitated diffusion

None

The catalytic activity of enzymes restricted to a small protein of the structure known as

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Inactive site

Active site

Reactant site

Inhibitor site

Fruit development without fertilization and no seed formation is called

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Parthenocarpy

Regeneration

Gymnosperm

Abnormality

The % of protein in case of chromosomes is

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100%

80%

60%

20%

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

The fungal associations with roots of higher plants help______uptake by the plants

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Water

Minerals

Both a & b

None

The general formula of carbohydrate

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C₆H₁₂O₆

C₂₂H₁₁O₁₂

C_n(H₂O)_n

C₁₈H₂₀O₁₈

The term ecology comes from the word oikos which is a word

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Greek

Italic

Latin

French

The animal which have a true coelome are

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Acoelomates

Coelomates

Pseudo-coelomates

None

A group of bacteria called archaebacteria that tolerate temperature up to

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110 C^o

120 C^o

50 C^o

40 C^o

For maximum growth the optimum temperature is

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0 - 35^oC

5- 10^oC

25-30^oC

0- 45^oC

Which of the following are example of divergent evolution

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Wings of bat

Wings of birds

Forelimbs of man

Wings of insects

If two generation are vegetatively similar such alternation of generation is refered to as

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Isomorphic

Heteromorphic

Saprophytic life cycle

None

Cytochromes contain a pigment

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Magnesium

Sulphur

Phosphorus

Iron

Littoral zone is

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Beyond the shore

Near the shore

Mid the shore

Bottom zone

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