Air is composed of gases, water vapours and
dust particles
rainfall
snowfall
light
Air pollution is caused by
Insecticides
Sewage
Smoke
Loud speakers
Biotic environment includes
Producers
Consumers
Decomposers
All the above
Global warming has resulted due to
Increased emissions of fine particulates from automobiles
Increased emissions of CO2 from automobiles
Oxides of sulphur and nitrogen
Lack of rainfall worldwide
Animal(s) which is/are active at night.
owl
rat
cockroach
all the above
Vermicomposting is done by
Fungus
Bacteria
Worms
Animals
Plants are green because of the presence of a pigment called:
glucose
nitrogen
chlorophyll
oxygen
Which one the following is not biodegradable?
vegetables
fruits
earthworm
aluminium foil
Which statement is the most accurate?
60% of the earth`s land surface is now used to grow crops and graze animals.
Ganga and Yamuna rivers are covered under the Ganga Action Plan-I and II.
9.73% of the total global supply of water is available for human consumption.
The 14 major river systems are a part of the Ganga action plan.
Which of the following wastes cannot be decomposed by bacteria to form compost?
Kitchen wastes
Plastic and polythene bags
Dead plants
Bodies of insects living in the soil
