Questions

All living organisms are linked to one another because

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(a) they have some common geneitc material of the same type (b) they share common genetic material but to varying degrees (c) all […]

Which one of the following is not true about lichens?

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(a) Their body is composed of both algal and fungal cells (b) Some form food for reindeers in arctic regions (c) Some […]

Which of the following about organism is not correct?

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(a) biological organisation starts with submicroscopic molecular level (b) 25 elements are essential for animals and 17 for plants (c) 98% mass of […]

Which of the following is not true for a species?

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(a) Members of a species can interbreed (b) Gene flow does not occur between the populations of a species (c) Each species […]

Phenetic classification is based on

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(a) sexual characteristics (b) the ancestral lineage of existing organisms (c) observable characteristics of existing organisms (d) dendograms based on DNA characteristics

Correct Answer:

observable characteristics of […]

What is true for photolithotrops?

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(a) Obtain energy from radiations and hydrogen from organic compounds (b) Obtain energy from radiations and hydrogen from inorganic compounds (c) Obtain energy from organic compounds (d) […]

Species are considered as

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(a) real units of classification devised by taxonomists (b) real basic units of classification (c) the lowest units of classification (d) artificial concept of human mind which cannot […]

Biosystematics aims at

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(a) identification and arrangement of organisms on the basis of their cytological characteristics (b) the classification of organisms based on broad morphological characters (c) delimiting various taxa of organisms […]