First life on earth was

First life on earth was

Options

(a) Cyanobacteria (b) Chemoheterotrophs (c) Autotrophs (d) Photoautotrophs

Correct Answer:

Chemoheterotrophs

Explanation:

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Ergot of rye is caused by a species of

Ergot of rye is caused by a species of

Options

(a) uncimula (b) ustilago (c) claviceps (d) phytophthora

Correct Answer:

claviceps

Explanation:

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Binomial nomenclature consists of two words

Binomial nomenclature consists of two words

Options

(a) Genus and species (b) Order and family (c) Family and genus (d) Species and variety

Correct Answer:

Genus and species

Explanation:

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