Diversity In Living World

The causative agent of mad cow disease is a

Options

(a) bacterium (b) prion (c) worm (d) virus

Correct Answer:

virus

Explanation:

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The basic unit of biological classification is

Options

(a) species (b) phylum (c) divison (d) order

Correct Answer:

species

Explanation:

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The bacterial pseudomonas is useful because of its ability to

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(a) transfer genes from one plant to another (b) decompose a variety of organic compound (c) fix atmospheric nitrogen in the soil […]

The bacterial genome is called

Options

(a) nucleus (b) nucleolus (c) nucleoid (d) none of these

Correct Answer:

nucleoid

Explanation:

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Taxon is the unit of a group of

Options

(a) species (b) genera (c) orders (d) taxonomy

Correct Answer:

taxonomy

Explanation:

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Taxon is the

Options

(a) taxonomic group of any rank (b) procedure to assign a scientific name (c) process of classification (d) grouping of convenient categories

Correct Answer:

taxonomic group of any rank

[…]

System of classification used by linnaeus was

Options

(a) phylogenetic (b) numerical (c) natural system (d) artificial system

Correct Answer:

artificial system

Explanation:

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Six elements which constitues 98% of the mass of every living organism are carbon, hydrogen, nitrogen, oxygen,

Options

(a) phosphorus and sulphur (b) sulphur and magnesium (c) magnesium and sodium (d) calcium and […]