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

The bacteria in the root nodules fix nitrogen and convert it into

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Nitrate

Nitrite

Amino Acid

Ammonia

The macronutrient in biogeochemical cycle is.

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Iron

Iodine

Zinc

Calcium

In root nodules, the organisms present are.

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Bacteria

Algae

Fungi

Cyapobacteria

The distinct levels of food chain are called.

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Food chain

Food Web

Trophic level

Energy pyramid

Symbiotic association of analgia living within fungus mycelium is known as.

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Mycorrhiza

Lichen

Parasitism

Root Nodules

Moderate grazing is very helpful to maintain ecosystem.

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Tundra

Grass land

Pond

Desert

Study of single population's relationship to its environment is called.

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Niche

Autecology

synecology

Predation

Lithosphere includes.

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Air

Water

Gases

Earth soil

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

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Community

Population

Ecosystem

Bio sphere

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

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Sulphates

Carbonates

Phosphates

Nitrates

The whole of the world land is called.

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Lithosphere

Hydrosphere

Ecosphere

Biosphere

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

In Ecosystem, Second tropic level is altitude are.

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Producer

Primary consumer

Secondary consumer

Tertiary consumer

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

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

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p²

2p

q²

q

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

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