Environmental Science and Ecology - Mock Test 44

Question 431

The major types of soil are recognized on the basis of their mode of accumulation and include?

A) Residual B) Transported C) Colluvial D) All of the above

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Question 432

The modes of Perennation are?

A) Evergreen trees B) Deciduous trees C) Herbaceous perennials D) All of the above

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Question 433

Xerophytes means?

A) Grow in desert or dry, hot, sandy place with scanty rainfall B) A desert habitant is characterized by Blarcity of water in soil, extremely dry intense light, high temp and strong winds C) Both a & b D) None of these

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Question 434

Mesophytes means?

A) Are ordinary plants growing under average conditions B) The occupy intermediate conditions between xerophyte and hydrophytes C) Some trees and stress with deciduous leaves show marked seasonal differences D) All of the above

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Question 435

Hygrophytes (Moisture loving plants) means?

A) The pants are usually stunted in growth B) Roots and stem are poorly developed C) Leaves are large and tend to avoid water less lam transpiration D) All of the above

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Question 436

Hydrophytes (Acquatic Plants) means?

A) A reduction of the protective, conducting and supporting tissues B) Absences of palisade tissue C) Both a & b D) None of these

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Question 437

Plant associations refer?

A) A group or community of plants living together in common habitat B) A group may include different species of plants, belonging to different families C) Both a & b D) None of these

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Question 438

Typical successions in forest are?

A) Riverain B) Esturine C) Confierous D) All of the above

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Question 439

Forest Ecosystem means?

A) The produces in forest are actual at different strata from the ground level to the canopy of trees. B) The litter and consequently the humus layers is thick C) Both a & b D) None of these

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Question 440

Major types of climax are?

A) Monoclimax B) Polyclimax C) Sub-climax D) All of the above

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