Biology

Biological species concept emphasises on

Options

(a) geographical isolations (b) reproductive isolation (c) physiological isolation (d) none of these

Correct Answer:

reproductive isolation

Explanation:

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Biological nomenclauture is described in the book

Options

(a) genera plantarum (b) historia plantarum (c) systema naturae (d) flora japonica

Correct Answer:

systema naturae

Explanation:

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Binomial nomenclature was introduced by

Options

(a) linnaeus (b) darwin (c) aristotle (d) de candolle

Correct Answer:

linnaeus

Explanation:

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Binomial nomenclature means

Options

(a) one name given by two scientists (b) two names, one scientific, other local (c) two names, one latined, other of a person (d) one scientific name with genera […]

Bacterial flagella is made up of

Options

(a) proteins (b) amines (c) lipids (d) carbohydrates

Correct Answer:

proteins

Explanation:

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As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics

Options

(a) will decrease (b) willl increase (c) remain same (d) may increase or decrease

Correct Answer: […]

Archaebacteria found in salt pans and salt marshes are

Options

(a) methanogens (b) thermoacidophiles (c) ruminent symbionts (d) halophile

Correct Answer:

halophile

Explanation:

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All monerans are Options

(a) contains DNA and RNA (b) demonstrate a long circular of DNA (c) are bacteria (d) all the above

Correct Answer:

all the above

Explanation:

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