Explore topic-wise MCQs in General Knowledge.

This section includes 1049 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

751.

Which of the following helps to explain why even though northern latitudes experience 24 hours of sunlight on June 22, they are not warmer than latitudes further south?

A. Solar energy is spread over a larger area in northern latitudes
B. Some of the sun's energy is reflected by snow and ice in the northern latitudes
C. Increased cloud cover reflects solar energy in the northern latitudes
D. Solar energy is used to melt frozen soil in the northern latitudes
E. All of the above
Answer» F.
752.

Towering cumulus (cumulus congestus) would refer to which of the clouds sketched below?

A. a
B. b
C. c
D. none
Answer» C. c
753.

The intermediate developmental stages in the ecological succession is called

A. sere
B. ecesis
C. climax
D. nudation
Answer» B. ecesis
754.

National Park associated with rhinoceros is

A. Kaziranga
B. Ranthambore
C. Corbett
D. Valley of flowers
Answer» B. Ranthambore
755.

_________ energy is the energy stored within the earth.

A. Geothermal
B. Mechanical
C. Wind
D. Thermal
Answer» B. Mechanical
756.

Hippocrates mentioned air pollution in __________ BC

A. 400
B. 500
C. 620
D. 354
Answer» B. 500
757.

The percentage of water vapor present in the air compared to that required for saturation is the:

A. Mixing ratio
B. Absolute humidity
C. Dew point
D. Relative humidity
E. Specific humidity
Answer» E. Specific humidity
758.

What scale is useful to record the force of wind ?

A. Decibel
B. Richter
C. Beau fort
D. Fajita
Answer» D. Fajita
759.

Nighttime temperatures rarely drop below the dew point temperature because

A. The dew will absorb all the heat
B. Saturation vapor pressures always increase at night
C. At saturation, latent heat of condensation is released into the air
D. Both (b) and (c)
Answer» D. Both (b) and (c)
760.

The most abundant gases in the earth's atmosphere by volume are:

A. Carbon dioxide and nitrogen
B. Oxygen and water vapor
C. Nitrogen and oxygen
D. Oxygen and helium
E. Oxygen and ozone
Answer» D. Oxygen and helium
761.

At what time during a 24-hour day would a radiation temperature inversion best be developed?

A. At sunset
B. Near sunrise
C. Toward the end of the morning
D. Between 2 and 5 pm when the air temperature reaches a maximum
Answer» C. Toward the end of the morning
762.

The horizontal transport of any atmospheric property by the wind is called:

A. Advection
B. Radiation
C. Conduction
D. Latent heat
E. Reflection
Answer» B. Radiation
763.

An increase in albedo would be accompanied by ____ in radiative equilibrium temperature.

A. An increase
B. A decrease
C. No change
D. Unstable oscillations
Answer» C. No change
764.

The combination of nitrogen oxides and hydrocarbons in the presence of the sunlight causes

A. Global warming
B. Smog
C. Ozone hole in the atmosphere
D. Acid rain
Answer» C. Ozone hole in the atmosphere
765.

Barnacles growing on the back of whale is an example for

A. mutualism
B. parasitism
C. amensalism
D. commensalism
Answer» E.
766.

Radiations are harmful as it

A. causes skin cancer
B. causes anemia
C. alters body tissues
D. is unstable
Answer» B. causes anemia
767.

Salinization is ___________.

A. Accumulation of salts in water
B. Accumulation of salts in soil
C. Accumulation of salts in body
D. Accumulation of salts in animals
Answer» C. Accumulation of salts in body
768.

_______ is an example of "bottom feeders".

A. Cat fish
B. Frog
C. Snake
D. Tadpole
Answer» B. Frog
769.

Pottery workers are at high risk of __________ lung disease

A. Asbestosis
B. Asthma
C. Silicosis
D. Bronchitis
Answer» D. Bronchitis
770.

_________ is a long term pattern of weather at a particular area.

A. Raising sun
B. Climate
C. Setting sun
D. Rainbow
Answer» C. Setting sun
771.

Herbivores are also called as

A. Producers
B. Primary consumers
C. Secondary consumers
D. Tertiary consumers
Answer» C. Secondary consumers
772.

The mean of annual rainfall in India is

A. 110 mm
B. 110 cm
C. 85 cm
D. 110 m
Answer» C. 85 cm
773.

Which latitude belt best describes the middle latitudes?

A. 20o to 80o
B. 10o to 35o
C. 20o to 35o
D. 40o to 70o
E. 30o to 50o
Answer» F.
774.

The formation of a climax community from an abandoned farm land is a an example of

A. Autogenic succession
B. Allogenic succession
C. Primary succession
D. Secondary succession
Answer» E.
775.

The major reservoir of carbon is

A. The atmosphere
B. Ocean Bed
C. Plant and animals
D. Rock
Answer» C. Plant and animals
776.

At the North Pole the sun will rise above the horizon on ____ and set below the horizon on ____.

A. June 22; September 23
B. September 23; December 22
C. March 21; September 23
D. June 22; December 22
E. March 21; December 22
Answer» D. June 22; December 22
777.

Leader of "Narmada Bachao Andolan"

A. Vandana Siva
B. Medha Patkar
C. Menaka Gandhi
D. Mayilamma
Answer» C. Menaka Gandhi
778.

The planet with a strong greenhouse effect, whose surface temperature averages 480oC (900oF) is:

A. Earth
B. Venus
C. Mars
D. Pluto
E. None of these
Answer» C. Mars
779.

Ozone layer is present in

A. Troposphere
B. Stratosphere
C. Mesosphere
D. Ionosphere
Answer» C. Mesosphere
780.

MoEF means

A. Ministry of Forest and Energy
B. Ministry of Environment and Forests
C. Ministry of Fuel and Energy
D. Management of Environment and Forestry
Answer» C. Ministry of Fuel and Energy
781.

"Earth provides enough to satisfy every man's need, but not for every man's greed" words by

A. Tagore
B. Gandhiji
C. Nehru
D. None
Answer» C. Nehru
782.

In the Northern Hemisphere, this day has the fewest hours of daylight:

A. Summer solstice
B. Winter solstice
C. Vernal equinox
D. Autumnal equinox
Answer» C. Vernal equinox
783.

The word Tsunami is derived from two Japanese words

A. Tsu(big) and nami(flow)
B. Tsu(harbour) and nami(wave)
C. Tsu(big wave) and nami(wave)
D. None of these
Answer» C. Tsu(big wave) and nami(wave)
784.

Ecology is

A. The science that studies the evolution of life,
B. Integrates both social and natural sciences to help us understand how the earth works,
C. The study of the relationships between organisms and their environment
D. The study of the environment in the absence of humans
Answer» D. The study of the environment in the absence of humans
785.

What is oil slick?

A. Boiled oil
B. Cooled oil
C. Thin film of oil in sea water
D. Oil in deep sea
Answer» D. Oil in deep sea
786.

Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem?

A. Nitrogen
B. Carbon
C. Sulphur
D. Phosphorus
Answer» E.
787.

The rate at which temperature decreases with increasing altitude is known as the:

A. Temperature slope
B. Lapse rate
C. Sounding
D. Thermocline
Answer» C. Sounding
788.

Green Revolution in India was initiated by __________

A. M.S. Swaminathan
B. Sunderlal Bahuguna
C. Kurien
D. Medha Patkar
Answer» B. Sunderlal Bahuguna
789.

Suppose yesterday morning you noticed ice crystals (frost) on the grass, yet the minimum temperature reported in the newspaper was only 35o F. The most likely reason for this apparent discrepancy is that:

A. Temperature readings are taken in instrument shelters more than 5 feet above the ground
B. The thermometer was in error
C. The newspaper reported the wrong temperature
D. The thermometer was read before the minimum temperature was reached for that day
E. The thermometer was read incorrectly
Answer» B. The thermometer was in error
790.

What are rodenticides?

A. That kill fishes
B. That kill insects
C. That kill rats
D. That kill crocos
Answer» D. That kill crocos
791.

Concept of ecological pyramids was proposed by

A. Odum
B. Clements
C. Tansley
D. Charles Elton
Answer» E.
792.

Oil derived from coal, oil shales or tar sands is called

A. natural gas
B. biomass
C. syncrude
D. none of the above
Answer» D. none of the above
793.

Lead poisoning

A. reduces O2 carrying capacity of hemoglobin in blood
B. increases O2 carrying capacity of hemoglobin in blood
C. reduces O2 carrying capacity of myoglobin in muscles
D. increases O2 carrying capacity of myoglobin in muscles
Answer» B. increases O2 carrying capacity of hemoglobin in blood
794.

Which of the following is the best indicator of SO2 pollution

A. bryophyte
B. pteridophyte
C. Lichen
D. algae
Answer» D. algae
795.

Non-biodegradable pollutants are created by

A. nature
B. excessive use of resources
C. humans
D. natural disasters
Answer» D. natural disasters
796.

The most abundant gas emitted from volcanoes is:

A. Nitrogen
B. Sulfur dioxide
C. Helium
D. Carbon dioxide
E. Water vapor
Answer» F.
797.

A river with high BOD value is

A. highly polluted
B. highly clean
C. highly productive
D. none of these
Answer» B. highly clean
798.

The first national park of Kerala

A. Aralam
B. Kottayam
C. Idukki
D. Iravikulam
Answer» E.
799.

An ideal shelter for housing a temperature-measurement instrument should be:

A. White
B. Black
C. In the shade
D. Both white and in the shade
E. Both black and in the shade
Answer» E. Both black and in the shade
800.

If very cold air is brought indoors and warmed with no change in its moisture content, the saturation vapor pressure of this air will______ and the relative humidity of this air will_____ .

A. Increase, increase
B. Decrease, decrease
C. Increase, decrease
D. Decrease, increase
Answer» D. Decrease, increase