Question # 1

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

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symbiosis

Mycorrhiza

Mutualism

Commercialism

In sub humid tropical grassland rate of primary production is more than

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2000 g/m²

3000 g/m²

4000 g/m²

6000 g/m²

Annual rain fall in deserts is less than

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25 to 50 cm

10 to 22 cm

15 - 25 cm

20 to 40 cm

The distinct levels of food chain are called.

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Food chain

Food Web

Trophic level

Energy pyramid

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

the basic functional unit of ecology is

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Niche

Ecosystem

Community

Population

Which one is Tall grass

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Andropogon

Panicum

Both a & b

Stipa

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

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

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Parasitism

commensalism

Mutualism

Predation

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

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Niche

environment

Habitat

Ecosystem

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

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Niche

Autecology

synecology

Predation

In tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 mm

Moderate grazing is very helpful to maintain ecosystem.

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Tundra

Grass land

Pond

Desert

Grasslands present in temperate climates are also called

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Prairies

Pampas

plain

Lowland

The macronutrient in biogeochemical cycle is.

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Iron

Iodine

Zinc

Calcium

Herbaceous stage in xerosere is the

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First stage

Third stage

Fourth stage

Last stage

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

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

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Starters

Pioneers

Decomposers

Climax community

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Biology FSC Part 2 Chapter 25 Online MCQ's Test MCQs With Answers

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