Question # 1

One of the following is an example of predator prey relationship

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fungus and alga

Fox and Rabbit

Flower and Insect

Root nodule bacteria

All the food chains begin with.

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Producers

Primary consumers

Secondary consumers

Decomposers

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

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

In root nodules, the organisms present are.

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Bacteria

Algae

Fungi

Cyapobacteria

The parts of body use extensivly to cope with the environment become larger & stronger, while those that are not used deteriorate was argued by:

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Charls darwin

Alfred wallace

Carolus

Lamorck

Lichens are example of.

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Parasitism

Predation

Commensalism

Mutualism

In tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 mm

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

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Starters

Pioneers

Decomposers

Climax community

In 1917, term Niche was first proposed by American ornithologist named.

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Charles Eltarf

Joseph Grinnell

Lamerck

Ernst Haeckel

The average rainfall is between 750 - 1500 mm in

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Temperate deciduous forests

Coniferous alpine and boreal forests

Tropical rain forests

Grassland ecosystem

Lithosphere includes.

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Air

Water

Gases

Earth soil

Biome is a

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Simple community

Complex community

Regional community

Climax community

Human appendix, coccyx and nictiating membrane of the eye are:

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Vestigical organs

Homologous organs

Analogous organs

Embroyonic organs

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

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Niche

environment

Habitat

Ecosystem

Mutualism is a type of.

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Symbiosis

Parasitism

Predication

Commensalism

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

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Hydrosere

Xerosere

Derosere

Desert

The animal that is caought and eaten is called.

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Prey

Parasite

Predator

Host

Once nitrate enters the plant cell it is reduced to.

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Nitrite

Ammonia

Carbohydrate

Proteins

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

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20%

01%

10%

30%

Littoral invertebrate animals include

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Small crustaceans

Insect larvae

Snail flatworms

All a,b,and c

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