Protists obtain their food as

Protists obtain their food as

Options

(a) photosynthesis (b) chemosynthesisers (c) heterotrophs (d) both a and c

Correct Answer:

both a and c

Explanation:

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Photosynthetic bacteria have

Photosynthetic bacteria have

Options

(a) pigment system I (b) pigment system II (c) both a and b (d) some other kind of pigments

Correct Answer:

some other kind of pigments

Explanation:

No explanation […]

Phenetic classification of organism means

Phenetic classification of organism means

Options

(a) observable characteristics (b) ancestral lineage (c) based on DNA characteristics (d) sexual characteristics

Correct Answer:

observable characteristics

Explanation:

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Outer limiting layer of mycoplasma is

Outer limiting layer of mycoplasma is

Options

(a) slime layer (b) mucilage layer (c) cell wall (d) cell membrane

Correct Answer:

cell membrane

Explanation:

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Nuclear dimorphism occurs in group

Nuclear dimorphism occurs in group

Options

(a) zooflagellata (b) ciliata (c) sporozoa (d) sarcodina

Correct Answer:

ciliata

Explanation:

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Nitrifying bacteria convert the

Nitrifying bacteria convert the

Options

(a) nitrates into nitrites (b) nitrites into nitrates (c) ammonium salts into nitrates (d) ammonium salts into amino acid

Correct Answer:

ammonium salts into nitrates

Explanation:

No explanation […]

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