MCQs

Forestry MCQs with Explanations

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791ForestryMedium

The radioactive fall out contaminates:

ASoil and water both

BSoil only

CAir and water both

DAir, soil and water

Correct answer

D. Air, soil and water

Explanation

The correct answer is Air, soil and water.

792ForestryMedium

The plants which can withstand narrow range of temperature tolerance:

AEurythermic

BMesothermic

CMonothermic

DStenothermic

Correct answer

D. Stenothermic

Explanation

The correct answer is Stenothermic.

793ForestryMedium

BOD is the amount of oxygen:

APresent in water

BDemanded by the producers for the production of food

CUtilized by micro-organisms for decomposition

DUtilized by organisms in water

Correct answer

C. Utilized by micro-organisms for decomposition

Explanation

The correct answer is Utilized by micro-organisms for decomposition.

794ForestryMedium

Soil organic matter includes:

AAnimal residues

BAll of the above

CThe partially decayed

DResynthesized plant

Correct answer

B. All of the above

Explanation

The correct answer is All of the above.

795ForestryMedium

It has been possible to raise the yield of resin from chir pine from the existing 1.5 kg per tree to 3.5 kg on the average per tree by using the American Bark Hack method in conjunction with ________ sulfuric acid:

A50%

B60%

C30%

D40%

Correct answer

D. 40%

Explanation

The correct answer is 40%.

796ForestryMedium

In water logged soil plants cannot grow properly because the soil is:

APhysiologically dry

BNone of the above

CPhysiologically wet

DPhysically dry

Correct answer

A. Physiologically dry

Explanation

The correct answer is Physiologically dry.

797ForestryMedium

Fifth of June is celebrated as:

AWorld population day

BWorld health and hygiene day

CWorld environment day

DDarwin’s birthday

Correct answer

C. World environment day

Explanation

The correct answer is World environment day.

798ForestryMedium

The Watershed is:

ABoth (a) & (b)

BIts an other name of catchment watershed

CIt is a Land body which drains into a stream system

DNone of these

Correct answer

A. Both (a) & (b)

Explanation

The correct answer is Both (a) & (b).

799ForestryMedium

The beauty of Taj Mahal is endangered due to:

ADischarge of industrial waste in Yamuna river

BRiparian erosion

CDegradation of marble due to high temperature

DAir pollution released from oil refinery

Correct answer

D. Air pollution released from oil refinery

Explanation

The correct answer is Air pollution released from oil refinery.

800ForestryMedium

An ecosystem may be defined as:

ADifferent communities of plants and microbes plus their physico-chemical environments

BA localized association of several plants and animals

CNone of the above

DDifferent communities of plants, animals and microbes, together with their physico-chemical environments

Correct answer

D. Different communities of plants, animals and microbes, together with their physico-chemical environments

Explanation

The correct answer is Different communities of plants, animals and microbes, together with their physico-chemical environments.

An ecosystem may be defined as:

ADifferent communities of plants and microbes plus their physico-chemical environments

BA localized association of several plants and animals

CNone of the above

DDifferent communities of plants, animals and microbes, together with their physico-chemical environments

Correct answer

D. Different communities of plants, animals and microbes, together with their physico-chemical environments

Explanation

The correct answer is Different communities of plants, animals and microbes, together with their physico-chemical environments.