MCQs

Forestry MCQs with Explanations

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491ForestryMedium

Form of forest produced by retaining certain trees of the old crop after regeneration is completed known as:

ANone of these

BHigh forest with standards

CTwo-storied high forest

DSelection system

Correct answer

B. High forest with standards

Explanation

The correct answer is High forest with standards.

492ForestryMedium

The heliophytes are characterised by:

ALow OP, high K+ conc

BHigh OP, low K+ conc

CHigh OP, high K+ conc

DLow OP, low K+ conc

Correct answer

B. High OP, low K+ conc

Explanation

The correct answer is High OP, low K+ conc.

493ForestryMedium

It is estimated that ________ square km land has been converted to unproductive deserts in the last 50 years:

A3.7 million

B4 million

C3.9 million

D3.8 million

Correct answer

A. 3.7 million

Explanation

The correct answer is 3.7 million.

494ForestryMedium

The multiple Benefits of MPTs are:

AThe trees with many uses would be preferred to those with one single use

BBut in a broad sense every tree has at least the triple functions of protective, productive and socio-economic roles

CNone of these

DBoth (a) & (b)

Correct answer

D. Both (a) & (b)

Explanation

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

495ForestryMedium

Nitrogen oxides produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to:

ADry acid deposition

BPhotochemical smog

CIndustrial smog

DWet acid deposition

Correct answer

A. Dry acid deposition

Explanation

The correct answer is Dry acid deposition.

496ForestryMedium

Bunds, dams and drains are constructed to prevent:

AStream bank erosion

BGully erosion

CSlip erosion

DSheet erosion

Correct answer

B. Gully erosion

Explanation

The correct answer is Gully erosion.

497ForestryMedium

Quercus incana period of ripening of seeds is:

ADecember – January

BMarch – April

CJanuary – March

DNovember – December

Correct answer

A. December – January

Explanation

The correct answer is December – January.

498ForestryMedium

Wood based industries as livelihood for the people is/are:

AAll of the above

BLivelihood of thousand of people depends on the wood based industries

CSeasoned wood, wood treated with preservatives and wood in the form of veneer and board are an important component of these industries

DThese one their existence primarily on the wood produce on the farmlands

Correct answer

A. All of the above

Explanation

The correct answer is All of the above.

499ForestryMedium

The facultative heliophytes are infact:

AChasmophytes

BChersophytes

CSciophytes

DHeliophytes

Correct answer

C. Sciophytes

Explanation

The correct answer is Sciophytes.

500ForestryMedium

The protected areas include:

ANational parks and biosphere reserves

BSanctuaries and biosphere reserves

CAll of these

DNational parks and sanctuaries

Correct answer

C. All of these

Explanation

The correct answer is All of these.

The multiple Benefits of MPTs are:

AThe trees with many uses would be preferred to those with one single use

BBut in a broad sense every tree has at least the triple functions of protective, productive and socio-economic roles

CNone of these

DBoth (a) & (b)

Correct answer

D. Both (a) & (b)

Explanation

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

Wood based industries as livelihood for the people is/are:

AAll of the above

BLivelihood of thousand of people depends on the wood based industries

CSeasoned wood, wood treated with preservatives and wood in the form of veneer and board are an important component of these industries

DThese one their existence primarily on the wood produce on the farmlands

Correct answer

A. All of the above

Explanation

The correct answer is All of the above.