-
question_answer1)
____ is a colourless and odourless gas which is used in making light bulbs.
A)
Air done
clear
B)
Oxygen done
clear
C)
Argon done
clear
D)
Hydrogen done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer2)
Which among the following is not a layer of the atmosphere?
A)
Exosphere done
clear
B)
Lithosphere done
clear
C)
Mesosphere done
clear
D)
Troposphere done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer3)
In which layer of atmosphere most of the ozone is present, which protects us from harmful UV radiations of sun?
A)
Mesosphere done
clear
B)
Troposphere done
clear
C)
Stratosphere done
clear
D)
Thermosphere done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer4)
Which among the following is not a property of air?
A)
Air exerts pressure. done
clear
B)
Air has weight. done
clear
C)
Air is biotic component of environment. done
clear
D)
Air occupies space. done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer5)
___ holds the layer of air around the earth.
A)
Friction done
clear
B)
Electricity done
clear
C)
Gravity done
clear
D)
Ultraviolet rays done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer6)
Which among the following is not a process of removing insoluble impurities from water?
A)
Filtration done
clear
B)
Sedimentation done
clear
C)
Evaporation done
clear
D)
Decantation done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer7)
A process, in which alum is added to muddy water to separate suspended din particles.
A)
Unloading done
clear
B)
Loading done
clear
C)
Evaporation done
clear
D)
Filtration done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer8)
??? Crystals are used to kill germs present in water.
A)
Ammonia done
clear
B)
(b)Potassium permanganate done
clear
C)
Sugar done
clear
D)
Calcium done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer9)
Name the process in which clean water is poured into another container without disturbing the sediments.
A)
Sedimentation done
clear
B)
Decantation done
clear
C)
Evaporation done
clear
D)
Filtration done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer10)
Which among the following is incorrect for the nitrogen gas?
A)
Nitrogen constitutes about 78% of air. done
clear
B)
Nitrogen is used in fertilizers. done
clear
C)
Nitrogen is used in burning process. done
clear
D)
Nitrogen is used by plants with the help of bacteria. done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer11)
Humidity means amount of ____ in the air.
A)
Snow done
clear
B)
Hail done
clear
C)
Water vapour done
clear
D)
Cloud done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer12)
Which among the following involves chemical treatment for water purification?
A)
Sedimentation done
clear
B)
Decantation done
clear
C)
Filtration done
clear
D)
Chlorination done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer13)
Name the low-lying areas that is filled by solid waste material.
A)
Biogas done
clear
B)
Green house done
clear
C)
Sanitary landfill done
clear
D)
Compost pit done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer14)
Which among the following is a green house gas?
A)
Carbon dioxide done
clear
B)
Nitrous oxide done
clear
C)
Methane done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer15)
IS, Bronchitis is caused by;
A)
Air pollution done
clear
B)
Soil pollution done
clear
C)
Water pollution done
clear
D)
Noise pollution done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer16)
____ is used in refrigerators, air conditioners and in many other industrial processes.
A)
Carbon dioxide done
clear
B)
Carbon monoxide done
clear
C)
Chlorofluorocarbon done
clear
D)
Methane done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer17)
Soluble impurities can be removed by which of the following processes?
A)
Evaporation done
clear
B)
Distillation done
clear
C)
Filtration done
clear
D)
Both [a] and [b] done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer18)
Name the gas released by grass-eating animals as their waste product.
A)
Ozone done
clear
B)
Methane done
clear
C)
Chlorofluorocarbon done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer19)
Which among the following is caused by polluted water?
A)
Cholera done
clear
B)
Typhoid done
clear
C)
Dysentery done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer20)
Which among the following is an effect of global warming?
A)
Melting of polar ice caps. done
clear
B)
Rise in water levels of oceans. done
clear
C)
Flooding of places near the sea. done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer21)
A person who studies earthquakes is called:
A)
Physicist done
clear
B)
Seismologist done
clear
C)
Archaeologist done
clear
D)
Sociologist done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer22)
____ is an opening in earth's surface which allows hot molten rock to escape.
A)
Earthquake done
clear
B)
Tsunami done
clear
C)
Volcano done
clear
D)
Drought done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer23)
Strong vibration on the surface of earth are also known as:
A)
Tsunami done
clear
B)
Cyclone done
clear
C)
Typhoon done
clear
D)
Earthquake done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer24)
The waves generated by earthquake are detected with the help of:
A)
Bar graph done
clear
B)
Line graph done
clear
C)
Seismograph done
clear
D)
Flow chart done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer25)
Which area will be more prone to cyclone?
A)
Desert area done
clear
B)
Coastal area done
clear
C)
Barren area done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer26)
Barren island is which type of volcano?
A)
Dormant volcano done
clear
B)
Active volcano done
clear
C)
Extinct volcano done
clear
D)
Not a volcano done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer27)
Which among the following is not a part of a volcano?
A)
Crater done
clear
B)
Vent done
clear
C)
Lava done
clear
D)
Tidal wave done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer28)
The study of earthquakes is called _______.
A)
Ornithology done
clear
B)
Sociology done
clear
C)
Seismology done
clear
D)
Geology done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer29)
Name the vertical tunnel through which magma rushes upwards in a volcano.
A)
Vent done
clear
B)
Crater done
clear
C)
Magma done
clear
D)
Tremor done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer30)
Dormant volcano are volcanoes:
A)
Which have not erupted for several years but could erupt in the future. done
clear
B)
Which are not expected to erupt in the future. done
clear
C)
Which may erupt at any time. done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer31)
Which one of the following are the causes of drought?
A)
Less rainfall done
clear
B)
High temperature done
clear
C)
Dry winds done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer32)
Hot magma when reaches on earth's surface is known as:
A)
Crater done
clear
B)
Cyclone done
clear
C)
Lava done
clear
D)
Vent done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer33)
The point on the earth s surface which is above the point where an earthquake originates.
A)
Crater done
clear
B)
Focus done
clear
C)
Epicentre done
clear
D)
Horizon done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer34)
?????? is a natural disaster caused by undersea earthquakes.
A)
Earthquake done
clear
B)
Drought done
clear
C)
Tsunami done
clear
D)
Volcano done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer35)
Match the following:
Column A | Column B |
i. Dormant volcano | A. Zuidwal volcano |
ii. Extinct volcano | B. Harbour wave |
iii. Active volcano | C. Mount erebus |
iv. Tsunami | D. Mount Kilimanjaro |
A)
(i-D), (ii-C), (iii-B), (iv-A) done
clear
B)
(i-C), (ii-A), (iii-D), (iv-B) done
clear
C)
(i-D), (ii-A), (iii-C), (iv-B) done
clear
D)
(i-B), (ii-D), (iii-A), (iv-C) done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer36)
Which among the following diseases can be caused due to effects of floods?
A)
Cholera done
clear
B)
Malaria done
clear
C)
Typhoid done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer37)
Which among the following crops can be grown in area having less rainfall1
A)
Sorghum done
clear
B)
Millets done
clear
C)
Maize done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer38)
Name the smaller quakes which continue after first big earthquake.
A)
Focus done
clear
B)
Aftershocks done
clear
C)
Epicentre done
clear
D)
Postquakes done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer39)
Which among the following statements is not correct?
A)
Natural disasters cause great loss of life and property. done
clear
B)
Tsunami occurs mostly near a desert area. done
clear
C)
Floods are mostly occur at river banks areas. done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer40)
Olympus Mons is a:
A)
Tsunami done
clear
B)
Cyclone done
clear
C)
Volcanic mountain done
clear
D)
Flood done
clear
E)
None of these done
clear
View Solution play_arrow