Question # 1

In each case succession is initiated by a few hardy invaders called.

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Starters

Pioneers

Decomposers

Climax community

Herbaceous stage in xerosere is the

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First stage

Third stage

Fourth stage

Last stage

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

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symbiosis

Mycorrhiza

Mutualism

Commercialism

Grasslands present in temperate climates are also called

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Prairies

Pampas

plain

Lowland

Similarity in characteristics resulting from common ancestry is known as:

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Analogy

Homology

Evolutionary relationship

Phylogeny

Lichens are example of.

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Parasitism

Predation

Commensalism

Mutualism

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

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

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p²

2p

q²

q

Symbiotic association of analgaliving within fungus mycelium is known as.

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Mycorrhiza

Lichen

Root Nodules

Parasitism

In xerosere, polytrichum and tortula represent.

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Herbaceous stage

Moss stage

Follage lichen stage

Crustose lichen stage

In root nodules, the organisms present are.

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Bacteria

Algae

Fungi

Cyapobacteria

Mutualism is a type of.

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Symbiosis

Parasitism

Predication

Commensalism

The whole of the world land is called.

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Lithosphere

Hydrosphere

Ecosphere

Biosphere

Study of different communities with relation to environment is called.

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Synecology

Embryology

Autecology

Zoology

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

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Hydrosere

Xerosere

Derosere

Desert

Which one of the following pairs represents analogous features?

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Elephant tusks & Human incisors

Insects wings & bat wings

Mammal fore limb & bird wing

Reptilian heart & mammalism heart

Macaca mulatta is commonly known as

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Rhesus monkey

Chimpanzee

Apes

Gorilla

The animal that is caught and eaten is called.

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Predator

Host

Prey

Parasite

In tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 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

Tundra ecosystem is located on Mountains

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Kara-koram

Hindukush

Salman

Both a & b

Pinus wallichiana pinus roxbugil Abies pindrow picea smithiana Cederous deodara are plants of

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Coniferous alpine and boreal forests

Temperate deciduous forests

Tropical rain forests

Grassland ecosystem

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