Geography - Questions and Answers, General Study (GK)

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621.

The plants that begin life as epiphytes in the canopy and send their roots downward to the forest floor is called as

(a)Lianas

(b)Stranglers

(c)Parasites

(d)Saprophytes

Comment

Answer is: B

622.

The bottom zone consisting of sand silt and dead organism is called

(a)Pelagic zone

(b)Neritic zone

(c)Benthic zone

(d)oceanic province

Comment

Answer is: C

623.

Woody plants that take the form of vines supported on tree and shrubs is

(a)shrubs

(b)lianas

(c)epiphytes

(d)forbs

Comment

Answer is: D

624.

The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as

(a)biomagnification

(b)bioremediation

(c)biomethanation

(d)bioreduction

Comment

Answer is: B

625.

The following feed at all the trophic energy in different trophic levels in an ecosystem is

(a)food chain

(b)food web

(c)ecological pyramid

(d)cycles

Comment

Answer is: C

626.

In an ecotone, the species which become abundant are called

(a)edge species

(b)keystone species

(c)endemic species

(d)foster species

Comment

Answer is: A

627.

The organisms which feeds on bodies of the dead organisms is

(a)scavengers

(b)decomposers

(c)Carnivores

(d)Both 'a' and 'b'

Comment

Answer is: D

628.

Which of the following feed at all the trophic levels except first?

(a)Consumers

(b)Scavengers

(c)Decomposers

(d)Both 'b' and 'c'

Comment

Answer is: D

629.

An aquatic plant introduced from America to check pollution turned out to be a troublesome weed in Indian water bodies. The name of this 'invasive alien species' is

(a)Opuntia

(b)Segilops

(c)Richhornia

(d)Pistia

Comment

Answer is: C

630.

Study of plant communities in relation to their habitats of a given ecosystem is called as

(a)Synocology

(b)Hexicology

(c)Ethology

(d)Autecology

Comment

Answer is: A

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Geography - Questions and AnswersPage 63

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