Agriculture - Mock Test 174

Question 1731

Competition for water, minerals, light and space is most severe between two?

A) Closely related species occupying the same niche B) Closely related species occupying different niche C) Unrelated species occupying the same niche D) Species occupying different overlapping ecosystems

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Question 1732

In natural ecosystem, decomposers include?

A) Only bacteria and fungi B) Only microscopic animals C) The above two types of organisms plus mactoseopic animals D) Only the above two types of organisms

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Question 1733

Which one of the following terms does not reflect the idea of ecosystem?

A) Holocoene B) Cherposem C) Biosystem D) Geobiocoenosis

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Question 1734

An ecosystem may be defined as?

A) A localized association of several plants and animals B) Different communities of plants, animals and microbes, together with their physico-chemical environments C) Different communities of plants and microbesm plus their physico-chemical environments D) None of the above

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Question 1735

Ecosystem has two components?

A) Plants and animals B) Weeds and trees C) Biotic and abiotic D) Frogs and men

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Question 1736

When the ovule is bent round like a horseshoe it is said to be?

A) Orthotropous B) Anatropous C) Amphilotropous D) Campylotropous

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Question 1737

When the ovule bends along the funicle that the microphyle lays close to the hilum, the ovule is said to be?

A) Orthotropous B) Anatropous C) Amphilotropous D) Campylotropous

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Question 1738

When the ovary is one chambered and the placentae bearing the ovules develop on the inner wall of the ovary, then the placentation is known as?

A) Central B) Parietal C) Axile D) Free central

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Question 1739

When the male gametes are shed into embryo sac through microphyle, is called?

A) Porogamy B) Chalazogamy C) Mesogamy D) Syngamy

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Question 1740

When the lobes of the base of the leaf partially enclose stem, the leaf is said to be?

A) Auriculate B) Amplexical C) Semiamplexical D) None of above

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