RAILWAY ENGINEERING QUIZ

Fatal degenerative lung disease caused by particulate asbestos is referred to as

sinusitis

asthma

allergy

asbestosis

TRUE ANSWER : ?
YOUR ANSWER : ?

Soil chemistry is considered an __________ factor

biologic

edaphic

topographic

econtonal

TRUE ANSWER : ?
YOUR ANSWER : ?

At night, low clouds:

Enhance the atmospheric greenhouse effect

Weaken the atmospheric greenhouse effect

Are often caused by the atmospheric greenhouse effect

Have no effect on the atmospheric greenhouse effect

TRUE ANSWER : ?
YOUR ANSWER : ?

Percentage of forest area recommended by the the national forest policy for plains is

0.33

0.1

0.3

0.67

TRUE ANSWER : ?
YOUR ANSWER : ?

Water pollution is due to

All of these

agricultural discharges

industrial effluents

sewage and other wastes

TRUE ANSWER : ?
YOUR ANSWER : ?

What is troposphere?

Portion of sky

Lowest layer of atmosphere where we survive

Portion of water

Portion of air

TRUE ANSWER : ?
YOUR ANSWER : ?

In grassland ecosystem, the pyramid of biomass is

none of these

inverted

spindle shaped

upright

TRUE ANSWER : ?
YOUR ANSWER : ?

Birth rate is called

natality

vital index

mortality

viability

TRUE ANSWER : ?
YOUR ANSWER : ?

The hottest atmospheric layer is the:

Thermosphere

Mesosphere

Stratosphere

Troposphere

TRUE ANSWER : ?
YOUR ANSWER : ?

In a volume of air near the earth's surface, occupies 78 percent and nearly 21 percent.

Hydrogen, oxygen

Nitrogen, oxygen

Hydrogen, helium

Nitrogen, water vapor

Oxygen, hydrogen

TRUE ANSWER : ?
YOUR ANSWER : ?

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