Select the correct sequence of food chain in the Arctic waters from the following:

Diatoms - zooplankton - fish - seal - polar bear

Zooplankton - diatoms - fishpolar bear

Fish - diatoms - seal - zooplankton - polar bear

Diatoms - fish - polar bear - seal - zooplankton

The daily and annual range of temperature is minimum in the

Which one of the following natural regions is not correctly matched with its economic base?

Australian Downs : Nomadic herding

Canadian Prairlies : Spring wheat cultivation

Argentine Pampas : Beef cattle ranching

South African Veld : Maize growing

Which one of the following sets of biomes represents the right sequence in terms of increasing water deficiency?

Tropical savanna, midlatitude grassland, desert

Tropical scrub, tropical savanna, desert

Mediterranean woodland, midlatitude grassland, midlatitude deciduous forest

Desert, tropical savanna, tropical scrub

The National River Conservation Directorate functions under which Union Ministry?

Environment and Forests Ministry

Science and Technology Ministry

The endangered Ridley turtles have the world’s largest aggregation

Andaman and Nicobar group of islands

The first research project programme which focused on the EI Nino-Southern Oscillation and its predictability was called

Climate Variability and Predictability

Global Energy and Water Cycle Experiment (GEWEX)

Global Change and Terrestrial Ecosystem (GCTE)

Which one of the following statements is not correct?

The primary consumers are called autotrophs

The energy levels within a food chain are called trophic levels

In deep oceans primary production is almost

The decomposers are called saprotrophs

What is eutrophication?

Excessive growth of algae in nutrient-rich water leading to reduced oxygen levels and the death of many organisms

Process by which organisms concentrate certain chemical substances to levels above those found in their natural environment

The ability of organisms in a food chain to convert energy received into living matter

Population explosion of species in an ecosystem due to the removal of their predators

Assertion (A) : The habitat of Date Palms is warm deserts with little or no rainfall. Reason (R) : Date Palm is a tree of waterless desert.

Both (A) and (R) are true, but (R) is not a correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true, but (R) is not a correct explanation of (A)

Assertion (A) : After carbon, nitrogen is the most abundant element in the biosphere. Reason (R) : Nitrogen is essential for synthesizing the living matter in nature.

Both (A) and (R) are individually true, but (R) is not the correct explanation of (A)

Both (A) and (R) are individually true and (R) is the correct explanation of (A)

Assertion (A) : In oligotrophic lacks, high concentration of nutrients result in algae blooms. Reason (R) : A higher concentration of nutrients result in higher organic productivity.

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true, but (R) is not a correct explanation of (A)

Statement (A) : The conifers are limited in species. Reason (R) : The confiers are in fact, the dominant trees of the mountainous district of temperate countries.

Both (A) and (R) are individually true and (R) is the correct explanation of (A)

Both (A) and (R) are individually true, but (R) is not the correct explanation of (A)

Assertion (A) : The habitat of Date Palms is warm deserts with little or no rainfall. Reason (R) : Date Palm is a tree of waterless desert.

Both (A) and (R) are true, but (R) is not a correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

TEST SERIES - 12 (II)

Authored by Nitin sir

Geography

11th Grade

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MATCH QUESTION

1 min • 1 pt

Match List-I (Regions) with ListII (Characteristics) and select the correct answer using the code given below the lists:

Monsoon lands

Tropohytes

Salvas

Epiphytes

Tundras

Tropohytes

Savannas

Mosses and lichens

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

‘Rally for Valley’ programme in India was organised to highlight the problem of

environmental degradation

biodiversity

resettlement of displaced people

loss of agricultural land

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following statements is correct?

All the abiotic resources are non-renewable and all the biotic resources are renewable

All the abiotic resources are nonrenewable but some of the biotic resources are non-renewable

Some of the abiotic resources are renewable but the biotic resources are renewable

Some of the abiotic resources are renewable and some of the biotic resources are non-renewable

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The state of inactivity adopted by desert animals during the hottest and driest season is known as

basal metabolism

dormancy

aestivation

hibernation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The wave length of electromagnetic wave of the spectrum is expressed in the unit

Lengley

Hertz

PhotonsAngstorm

Angstorm

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The transition zone between two Ecosystems is called

biome

biotope

ecotone

sere

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Among the following greenhouse gases, the emission of which one of the following is entirely anthropogenic?

Chlorofluorocarbons

MethaneNitrous oxide

Nitrous oxide

Hydrogen sulphide

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TEST SERIES - 12 (II)

Match List-I (Regions) with ListII (Characteristics) and select the correct answer using the code given below the lists:

‘Rally for Valley’ programme in India was organised to highlight the problem of

Which one of the following statements is correct?

The state of inactivity adopted by desert animals during the hottest and driest season is known as

The wave length of electromagnetic wave of the spectrum is expressed in the unit

The transition zone between two Ecosystems is called

Among the following greenhouse gases, the emission of which one of the following is entirely anthropogenic?

Human Geography is ‘Human Ecology’

Select the correct sequence of food chain in the Arctic waters from the following:

Match List-I (Climatic Conditions) with List-II (Tree Species) select the correct answer using the codes given below the lists:

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