Question # 1

Water is stored for use during the period of drought in fleshy stems of

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Cacti

Euphoribia

Both a & b

None of these

A localized group of individuals belonging to the same species is called as.

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Community

Population

Ecosystem

Bio sphere

In grassland ecosystem annual rainfall is about 250 to

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350 mm

450 mm

650 mm

750 mm

In which of the following situations would evoluation be lowest for an inter breeding population?

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Migration Selection Pressure Variation(Due to Mutation) Absent Low Low

Migration Selection Pressure Variation(Due to Mutation) Absent High High

Migration Selection Pressure Variation(Due to Mutation) High Low High

Migration Selection Pressure Variation(Due to Mutation) High High Low

A willow 10 centimetres (4 inches) high may have a trunk 7 centimetres (3 inches) in diameter and be 50 years old in

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Taiga

Tundra

Desert

Savanna

Primary succession may start in a dry soil or rock is called.

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Hydrosere

Xerosere

Derosere

Desert

The remoras benefit from this relationship the shark is not affected at all

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Symbiosis

Mycorrhiza

Commensalism

Mutualism

Coniferous forests located at high latitude are called

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Alpine

Boreal

Arctic

Both a & b

The random loss of alleles in a population is called:

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Mutation

Selection

Gene flow

Genetic drift

Similarity in characteristics resulting from common ancestry is known as:

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Analogy

Homology

Evolutionary relationship

Phylogeny

If population of predator increase then population of prey

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Increases

Decreases

May increase

Has no effect or decrease

The abiotic component of an ecosystem is.

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Temperature

Producer

Consumer

Decomposer

The total energy of the sun, trapped by the producer in an ecosystem is about.

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20%

01%

10%

30%

Soilerosion, fire and water percolation down through the soil cause loss of.

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Sulphates

Carbonates

Phosphates

Nitrates

Lichens are example of.

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Parasitism

Predation

Commensalism

Mutualism

The remoras benefit from this relationship the shark is not affected at all.

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symbiosis

Mycorrhiza

Mutualism

Commercialism

In Ecosystem, Second tropic level is altitude are.

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Producer

Primary consumer

Secondary consumer

Tertiary consumer

The actual location of place, where an organism lives is called its.

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Niche

environment

Habitat

Ecosystem

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Biology Fsc Part 2 Chapter 11 Online Test MCQs With Answers

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