Biology - Mock Test 50

Question 491

The biological concept of species is mainly based on

A) morphological features B) morphology and method of reproduction C) method of reproduction only D) reproductive isolation

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Question 492

Herbarium is

A) a garden where medicinal plants are grown B) garden where herbaceous plants are grown C) dry garden D) chemical to kill plant

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Question 493

Which is the most important but generally not used criteria for the identification of the species

A) Interbreeding B) Morphology C) Genetic material D) None

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Question 494

Which of the following statements regarding nomenclature is correct

A) Generic name always begins with capital letter whereas specific name with small letter B) Scientific name should be printed in italics C) Scientific name when typed or handwritten should be underlined D) All of the above

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Question 495

For higher plants, flowers are chiefly used as a basis of classification, because

A) these show a great variety in colour B) they can be preserved easily C) reproductive parts are more conservative than vegetative parts D) None of these

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Question 496

In taxonomy the first step is

A) identification B) nomenclature C) classification D) affinities

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Question 497

Systematics deals with

A) classification B) nomenclature C) plant description D) plant exploration

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Question 498

Taxonomy refers to

A) plant classification B) plant nomenclature C) plant affinity D) All of these

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Question 499

Plant nomenclature means

A) to give names to plants without any rules B) nomenclature of plants under the international rules C) nomenclature of plants in local language D) nomenclature of plants in English language

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Question 500

Group of organisms that closely resemble each other and freely interbreed in nature, constitute a

A) species B) genus C) family D) taxon

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