CBSE Worksheet for Class 5 EVS Chapter Our Environment and Naturals Calamities Questions with Answers

CBSE Class 5 EVS Our Environment and Natural Calamities Questions with Answers

Q1. ____ is a colourless and odourless gas which is used in making light bulbs.

(A) Air

(B) Oxygen

(C) Argon

(D) Hydrogen

Answer:

C

Q.2 Which among the following is not a layer of the atmosphere?

(A) Exosphere

(B) Lithosphere

(C) Mesosphere

(D) Troposphere

Answer:

B

Q.3 In which layer of atmosphere most of the ozone is present, which protects us from harmful UV radiations of sun?

(A) Mesosphere

(B) Troposphere

(C) Stratosphere

(D) Thermosphere

Answer:

C

Q.4 Which among the following is not a property of air?

(A) Air exerts pressure.

(B) Air has weight.

(C) Air is biotic component of environment.

(D) Air occupies space.

Answer:

C

Q.5 _____ holds the layer of air around the earth.

(A) Friction

(B) Electricity

(C) Gravity

(D) Ultraviolet rays

Answer:

C

Q.6 Which among the following is not a process of removing insoluble impurities from water?

(A) Filtration

(B) Sedimentation

(C) Evaporation

(D) None of these

Answer:

D

Q.7 A process, in which alum is added to muddy water to separate suspended din particles.

(A) Unloading

(B) Loading

(C) Evaporation

(D) Filtration

Answer:

B

Q.8 . . . . . Crystals are used to kill germs present in water.

(A)Ammonia

(B) Potassium permanganate

(C) Sugar

(D) Calcium

Answer:

B

Q.9 Name the process in which clean water is poured into another container without disturbing the sediments.

(A) Sedimentation

(B) Decantation

(C) Evaporation

(D) Filtration

Answer:

B

Q.10 Which among the following is incorrect for the nitrogen gas?

(A) Nitrogen constitutes about 78% of air.

(B) Nitrogen is used in fertilizers.

(C) Nitrogen is used in burning process.

(D) Nitrogen is used by plants with the help of bacteria.

Answer:

C

Q.11 Humidity means amount of ____ in the air.

(A) Snow

(B) Hail

(C) Water vapour

(D) Cloud

Answer:

C

Q.12 Which among the following involves chemical treatment for water purification?

(A) Sedimentation

(B) Decantation

(C) Filtration

(D) Chlorination

Answer:

D

Q.13 Name the low-lying areas that is filled by solid waste material.

(A) Biogas

(B) Green house

(C) Sanitary landfill

(D) Compost pit

Answer:

C

Q.14 Which among the following is a greenhouse gas?

(A) Carbon dioxide

(B) Nitrous oxide

(C) Methane

(D) All the above

Answer:

D

Q.15 Bronchitis is caused by;

(A) Air pollution

(B) Soil pollution

(C) Water pollution

(D) Noise pollution

Answer:

A

Q.16 . . . . . is used in refrigerators, air conditioners and in many other industrial processes.

(A) Carbon dioxide

(B) Carbon monoxide

(C) Chlorofluorocarbon

(D) Methane

Answer:

C

Q.17 Soluble impurities can be removed by which of the following processes?

(A) Evaporation

(B) Distillation

(C) Filtration

(D) Both (A) and (B)

Answer:

D

Q.18 Name the gas released by grass-eating animals as their waste product.

(A) Ozone

(B) Methane

(C) Chlorofluorocarbon

(D) All the above

Answer:

B

Q.19 Which among the following is caused by polluted water?

(A) Cholera

(B) Typhoid

(C) Dysentery

(D) All the above

Answer:

D

Q.20 Which among the following is an effect of global warming?

(A) Melting of polar ice caps.

(B) Rise in water levels of oceans.

(C) Flooding of places near the sea.

(D) All the above

Answer:

D

Q.21 A person who studies earthquakes is called:

(A) Physicist

(B) Seismologist

(C) Archaeologist

(D) Sociologist

Answer:

D

Q.22 . . . . . is an opening in earth's surface which allows hot molten rock to escape.

(A) Earthquake

(B) Tsunami

(C) Volcano

(D) Drought

Answer:

C

Q.23 Strong vibration on the surface of earth are also known as:

(A) Tsunami

(B) Cyclone

(C) Typhoon

(D) Earthquake

Answer:

D

Q.24 The waves generated by earthquake are detected with the help of:

(A) Bar graph

(B) Line graph

(C) Seismograph

(D) Flow chart

Answer:

C

Q.25 Which area will be more prone to cyclone?

(A) Desert area

(B) Coastal area

(C) Barren area

(D) All the above

Answer:

B

Q.26 Barren island is which type of volcano?

(A) Dormant volcano

(B) Active volcano

(C) Extinct volcano

(D) Not a volcano

Answer:

B

Q.27 Which among the following is not a part of a volcano?

(A) Crater

(B) Vent

(C) Lava

(D) Tidal wave

Answer:

D

Q.28 The study of earthquakes is called _______.

(A) Ornithology

(B) Sociology

(C) Seismology

(D) Geology

Answer:

C

Q.29 Name the vertical tunnel through which magma rushes upwards in a volcano.

(A) Vent

(B) Crater

(C) Magma

(D) Tremor

Answer:

A

Q.30 Dormant volcano are volcanoes:

(A) Which have not erupted for several years but could erupt in the future.

(B) Which are not expected to erupt in the future.

(C) Which may erupt at any time.

(D) All the above

Answer:

A

Q.31 Which one of the following are the causes of drought?

(A) Less rainfall

(B) High temperature

(C) Dry winds

(D) All the above

Answer:

D

Q.32 Hot magma when reaches on earth's surface is known as:

(A) Crater

(B) Cyclone

(C) Lava

(D) Vent

Answer:

C

Q.33 The point on the earth s surface which is above the point where an earthquake originates.

(A) Crater

(B) Focus

(C) Epicentre

(D) Horizon

Answer:

C

Q.34 . . . . . is a natural disaster caused by undersea earthquakes.

(A) Earthquake

(B) Drought

(C) Tsunami

(D) Volcano

Answer:

C

Q. 35 Match the following:

(A) (i- (D), (ii- (C), (iii- (B), (iv- (A)

(B) (i- (C), (ii- (A), (iii- (D), (iv- (B)

(C) (i- (D), (ii- (A), (iii- (C), (iv- (B)

(D) (i- (B), (ii- (D), (iii- (A), (iv- (C)

Answer:

C

Q.36 Which among the following diseases can be caused due to effects of floods?

(A) Cholera

(B) Malaria

(C) Typhoid

(D) All the above

Answer:

D

Q.37 Which among the following crops can be grown in area having less rainfall1

(A) Sorghum

(B) Millets

(C) Maize

(D) All the above

Answer:

D

Q.38 Name the smaller quakes which continue after first big earthquake.

(A) Focus

(B) Aftershocks

(C) Epicentre

(D) Postquakes

Answer:

B

Q.39 Which among the following statements is not correct?

(A) Natural disasters cause great loss of life and property.

(B) Tsunami occurs mostly near a desert area.

(C) Floods are mostly occur at river banks areas.

(D) All the above

Answer:

B

Q.40 Olympus Mons is a:

(A) Tsunami

(B) Cyclone

(C) Volcanic mountain

(D) Flood

Answer:

C

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