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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 | |