CBSE Class 5 Social Science Environmental Concerns MCQs

Question: Environment is made up of

a) both

b) living and non living things

c) Plants and animals

Answer: both

Question: _________ constitute non- living things.

a) A biotic components

b) Biotic components

c) both

Answer: A biotic components

Question: _________ constitute of living things.

a) Biotic components

b) A biotic components

c) both

Answer: Biotic components

Question: Flesh eating animals are called

a) carnivorous

b) omnivorous

c) Herbivorous

Answer: carnivorous

Question: Meat and plant eating animals are called

a) omnivorous

b) herbivorous

c) carnivorous

Answer: omnivorous

Question: Plant eating animals are called

a) herbivorous

b) omnivorous

c) carnivorous

Answer: herbivorous

Question: Melting of ________ will lead to rise in sea level.

a) glaciers

b) none of these

c) deserts

Answer: glaciers

Question: CFCs get released from

a) air conditioners

b) television

c) none of these

Answer: air conditioners

Question: _________ is an environmental friendly fuel.

a) petrol

b) diesel

c) CNG

Answer: petrol

Question: _________ is a green house gas.

a) all of these

b) methane

c) carbon dioxide

Answer: all of these

Question: _________ present in the atmosphere prevents harmful ultraviolet rays from entering the Earth’s surface.

a) ozone

b) methane

c) carbon dioxide

Answer: ozone

Question: _________ is released into the atmosphere when we burn fuel.

a) carbon dioxide

b) helium

c) oxygen

Answer: carbon dioxide

Question: _________ pollution comes from burning of fuel to run vehicles, from chimneys of factories and power stations.

a) air pollution

b) water pollution

c) noise pollution

Answer: air pollution

Question: Any sound that is above ________ decibels is harmful for our ears.

a) 70

b) 60

c) 40

Answer: 70

Question: Plants use ________ during the process of photosynthesis.

a) carbon dioxide

b) methane

c) oxygen

Answer: carbon dioxide

Question: Animals breathe out

a) carbon dioxide

b) helium

c) oxygen

Answer: carbon dioxide

Question: Plants are called ________ producers.

a) primary

b) secondary

c) both

Answer: primary

Question: Plants need sunlight during the process of

a) photosynthesis

b) respiration

c) both

Answer: photosynthesis

Question: Pollution is the release of substances in the air, water or soil that are ________ to the environment.

a) harmful

b) useful

c) none of these

Answer: harmful

Question: Huge floating mass of ice are called

a) icebergs

b) none of these

c) Glaciers

Answer: icebergs

Question: The interaction of plants and animals with each other and the abiotic components form an

a) environment

b) ecosystem

c) atmosphere

Answer: environment

Question: _________ are creating large holes in the ozone layer.

a) CFCs

b) none of these

c) carbon dioxide

Answer: CFCs

Question: Global warming is the _________ in temperature around the world.

a) increase

b) none of these

c) decrease

Answer: increase

Question: to come under water is

a) submerge

b) swimming

c) none of these

Answer: submerge