CBSE Class 5 General Knowledge Environmental and its Conservation MCQs

Directions: Read the questions and answer by choosing the correct option.

Question. Which of the atmospheric layers houses the ozone layer?
(a) Stratosphere
(b) Lithosphere
(c) Thermosphere
(d) Mesosphere
Answer : A

Question. Which of the following is not a rock type?
(a) Lava
(b) Sedimentary
(c) Metamorphic
(d) Igneous
Answer : A

Question. Which is the primary component of natural gas?
(a) Methane
(b) Butane
(c) Propane
(d) Ethane
Answer : A

Question. Which of the following is used to find the humidity of the atmosphere?
(a) Hydrometer
(b) Screw gauge
(c) Hygrometer
(d) None of these
Answer : C

Question. Which of the following is a method to prevent garden evaporation?
(a) Pruning
(b) Mulching
(c) Weeding
(d) None of these
Answer : B

Question. Which of the following activities uses most amount of water?
(a) Bathing
(b) Cooking
(c) Washing car
(d) Washing clothes
Answer : D

Question. The process by which the top layer of soil is destroyed is called
(a) distraction
(b) erosion
(c) tilting
(d) corrosion
Answer : B

Question. What percentage of water on earth is fresh water?
(a) 10
(b) 70
(c) 3
(d) 25
Answer : C

Question. Which of the following is not a way to prevent water from wastage?
(a) Fixing leaks
(b) Not leaving any running taps
(c) Rinsing vegetables in a pan
(d) None of these
Answer : D

Question. To cause damage an earthquake needs to exceed what magnitude?
(a) 5
(b) 8
(c) 7
(d) 6
Answer : A

Question. Acid rain is caused due to____________.
(a) noise pollution
(b) air pollution
(c) water pollution
(d) soil pollution
Answer : B

Question. Polluted water can cause diseases like ____________.
(a) cholera
(b) typhoid
(c) jaundice
(d) All the above
Answer : D

Question. This reduces the fertility of the soil _______
(a) Noise pollution
(b) Water pollution
(c) Soil pollution
(d) Air pollution
Answer : C

Question. Which of the following is caused due to rising of earth’s temperature as a result of greenhouse effect?
(a) National warming
(b) Soil erosion
(c) Global warming
(d) None of these
Answer : C

Question. Which of the following is not a way to prevent pollution?
(a) Proper waste disposal
(b) Follow 3R’s strategy
(c) Check water stagnation
(d) Use air purifiers at home
Answer : D

Question. Fertilizers and paints are
(a) toxic
(b) easily degradable
(c) harmless
(d) none of these
Answer : A

Question. Mt. Etna is an example of
(a) vulnerable volcanoes
(b) active volcano
(c) extinct volcano
(d) dormant volcano
Answer : B

Question. Kitchen waste and fuel matter can be used to produce a gas that is used as source of energy. Which gas is it?
(a) LPG
(b) Natural gas
(c) Biogas
(d) Carbon dioxide
Answer : C

Question. Geeta’s school asked every student to get a plant and plant it on Environment Day.
What is the activity called?
(a) Plantation
(b) Afforestation
(c) Deforestation
(d) None of these
Answer : B

Question. A light rock formed as a result of quick cooling of lava used as a body scrubber.
(a) Gneiss
(b) Slate
(c) Pumice
(d) Basalt
Answer : C

Directions: Complete the analogies by choosing the correct option.

Question. Kitchen waste: biodegradable::electronic waste: _________________
(a) degradable
(b) recycle
(c) pollution
(d) none of these
Answer : B

Question. Mosquitoes: ___________::rats: Plague
(a) jaundice
(b) malaria
(c) dengue
(d) both (b) and (c)
Answer : D

Question. Plants: deforestation::Soil_______________
(a) erosion
(b) silt
(c) fertile
(d) none of the above
Answer : A

Question. Coal:____________::sand: glass
(a) fuel
(b) painting
(c) diamond
(d) none of these
Answer : C

Question. Solar energy: renewable :: petrol: __________
(a) fossil fuel
(b) non-renewable
(c) cheap fuel
(d) none of these
Answer : B

Directions: Look at the picture clues and answer by choosing the correct option.

Question. This symbol

commonly found on consumer goods indicates the energy efficiency of which products?
(a) Electric energy
(b) Chemical energy
(c) Solar energy
(d) None of these
Answer : A

Question. The symbols given in the picture below have a code written at their base. What does this code indicate?

(a) Usage
(b) Material they are made of
(c) Both (a) and (b)
(d) None of these
Answer : B

Question. What does the number written inside the triangles indicate?
(a) Quality code
(c) Number of times the material has been recycled
(b) Number of times the bottle can be reused
(d) None of these
Answer : B

Question. The given chart is indicative of the quality of which precious stone?

(a) Lead
(b) Graphite
(c) Granite
(d) Diamond
Answer : D

Question. The given picture shows which natural calamity?

(a) Earthquake
(b) Drought
(c) Flood
(d) Famine
Answer : B

Directions: Read the questions and answer by choosing the correct option.

Question. Which of the following is not a method of waste disposal?
(a) Reusing things as much as possible
(b) Segregating wastes (dry, wet)
(c) Not throwing packets out of moving car
(d) Leaving garbage bags outside neighbour's door
Answer : D

Question. Which of the following is a method to save electricity?
(a) Using air conditioners during summers
(b) Playing loud music
(c) Using power saving electronics
(d) Leaving lights and fan switched on at all times
Answer : C

Question. Use of fertilizers harms the soil and makes them toxic. Which of the following is the effect of using chemicals fertilizers?
(a) Change in the climate of the region.
(b) They add to the air pollutants.
(c) They help in maintaining salt content of underground water.
(d) They are absorbed by the crops and make the produce unfit for consumption.
Answer : D

Question. Which of the following is a way to prevent air pollution?
(a) Using air purifiers
(b) Checking vehicles for pollution
(c) Burning of coal and wood
(d) Bursting of crackers
Answer : B

Question. Which of the following needs to be done in case of an earthquake?
(a) Stay away from tall buildings and trees
(b) Stay inside beside a heavy furniture
(c) Run for help
(d) Call emergency services
Answer : A

Question. Which of the following is not a natural calamity?
(a) Floods
(b) Droughts
(c) Earthquakes
(d) Fire in the neighbourhood
Answer : D

Question. Which of the following is not a source of noise pollution?
(a) Bursting of crackers
(b) Loud music
(c) Chirping of birds
(d) Loud honking
Answer : C

Question. Which of the following is not a gem stone?
(a) Topaz
(b) Mica
(c) Quartz
(d) Ruby
Answer : B

Question. Which of the following is not an incorrect practice?
(a) Storing things beyond their date of use.
(b) Throwing away leftover food.
(c) Buying things only as per need.
(d) Throwing away water without purpose.
Answer : C

Question. Which of the following is not a method of prevention of soil erosion?
(a) Planting more trees
(b) Terrace farming
(c) Mulching
(d) Watering all the time
Answer : D