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Forestry MCQs with Explanations

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361ForestryMedium

Preserve forest area means:

AAll of the above

BStart target oriented programmes for regenerating degraded forestlands with the local people’s participation

CProvide incentives for people to frow fuel and fodder trees on private lands and rangelands around forests

DSuitable fuel wood in sensitive and critical area such as threatened ecosystems

Correct answer

A. All of the above

Explanation

The correct answer is All of the above.

362ForestryMedium

Among the following characters which one does not characterise a hydrophyte?

APoor development of roots

BLeaves having stomata only on the upper side or none

CAbundant air spaces and air chambers

DPlentiful xylem and sclerenchyma

Correct answer

D. Plentiful xylem and sclerenchyma

Explanation

The correct answer is Plentiful xylem and sclerenchyma.

363ForestryMedium

Due to modification of the environment by the plant community itself, when one community is replaced by another suitable community, the succession is called:

AInduced

BAutogenic

CAllogenic

DDeflated

Correct answer

B. Autogenic

Explanation

The correct answer is Autogenic.

364ForestryMedium

Ozone hole is refers to as:

AIncrease in the thickness of ozone layer in troposphere

BHole in ozone layer

CDecrease in the ozone layer in troposphere

DDecrease in thickness of ozone layer in stratosphere

Correct answer

D. Decrease in thickness of ozone layer in stratosphere

Explanation

The correct answer is Decrease in thickness of ozone layer in stratosphere.

365ForestryMedium

Eucalyptus camalldulensis period of ripening of seeds is:

ASeptember – October

BFebruary – April

CMarch – April

DMay – June

Correct answer

A. September – October

Explanation

The correct answer is September – October.

366ForestryMedium

Olive facts of trees are:

ABoth (a) & (b)

BNone of these

CA unique position among the legends and folklore of early man

DWhen the ark of Noah (Prophet Nooh) was stranded on the slopes of Mount Ararat

Correct answer

A. Both (a) & (b)

Explanation

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

367ForestryMedium

The major drawback of DDT as a pesticide is that:

AIt is significantly less effective than other pesticides

BIt is not rapidly degraded in nature

CIts cost of production is high

DOrganisms at once developed resistance to it

Correct answer

B. It is not rapidly degraded in nature

Explanation

The correct answer is It is not rapidly degraded in nature.

368ForestryMedium

Apiculture is

ABee(s)

BApiary

CApiology

DAll of the above

EApitoxin

Correct answer

D. All of the above

Explanation

The correct answer is All of the above.

369ForestryMedium

Loss of forests, urbanization, increasing pollution are all due to:

APopulation explosion

BGlobal warming

CNitrogen di-oxide

DSulphur dioxide

Correct answer

A. Population explosion

Explanation

The correct answer is Population explosion.

370ForestryMedium

There are major types of plants used for landscaping are:

ATree

BVines or climbers

CAll of the above

DFlowers

EShrubs

Correct answer

C. All of the above

Explanation

The correct answer is All of the above.

Preserve forest area means:

AAll of the above

BStart target oriented programmes for regenerating degraded forestlands with the local people’s participation

CProvide incentives for people to frow fuel and fodder trees on private lands and rangelands around forests

DSuitable fuel wood in sensitive and critical area such as threatened ecosystems

Correct answer

A. All of the above

Explanation

The correct answer is All of the above.

Ozone hole is refers to as:

AIncrease in the thickness of ozone layer in troposphere

BHole in ozone layer

CDecrease in the ozone layer in troposphere

DDecrease in thickness of ozone layer in stratosphere

Correct answer

D. Decrease in thickness of ozone layer in stratosphere

Explanation

The correct answer is Decrease in thickness of ozone layer in stratosphere.