Question # 1

Lichen is a symbiotic association between a fungus and.

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Gymnosperm

Angiosperm

An alga

Pterrdophyta

Which one of the following would cause the hardy-weinberg principle to be inacurate?

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The size of the population is very large.

Individual mate with one another at random

Natural selection is present

There is no source of new copies of alleles from outside the population

The stage in which Lichens are just like crumpled leaves attached to one point.

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Moss stage

Crustose Lichen stage

Follage Lichen stage

Shrub stage

Using the hardin-weinberg principle, which expression represents the frequency of the homo-zygous recessive genotype?

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p²

2p

q²

q

All the food chains begin with.

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Producers

Primary consumers

Secondary consumers

Decomposers

An association between two organisms by which both are benefited is called.

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Parasitism

commensalism

Mutualism

Predation

Fresh water ecosystem covers less than

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7%

5%

3%

1%

Littoral invertebrate animals include

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Small crustaceans

Insect larvae

Snail flatworms

All a,b,and c

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

The animal that is caought and eaten is called.

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Prey

Parasite

Predator

Host

Which of the following is macronutrient.

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Zinc

Iron

Sulphur

Iodine

An association between organisms of different species in which one partner gets benefit and other is harmed.

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Mutualism

Symbiosis

Parasitism

Commensalsim

Herbaceous stage in xerosere is the

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First stage

Third stage

Fourth stage

Last stage

Diseases in living organisms caused by parasites are called.

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Infestation

Endoparasites

Disinfestation

Ectoparasites

The abiotic component of an ecosystem is.

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Temperature

Producer

Consumer

Decomposer

The existing species are the modified descendants of pre-existing ones according to:

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Theory of special creation

Theory of organic evolution

Uniformitarianism

Theory of catatrophe

C-Eton defined the Niche as the species.

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Behavior

Role

Address

Habitat

Symbiotic association of analgaliving within fungus mycelium is known as.

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Mycorrhiza

Lichen

Root Nodules

Parasitism

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