Vermicomposting is done by
Fungus
Bacteria
Worms
Animals
Which one of the following is an example of biotic component of environment?
Wind
Water
Vegetation
Temperature
Chief source of energy in environment is
Fire
Moon
Sun
Stars
An animal that can tolerate the heat of the desert is
Rats
Camel
Cow
Lion
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
If waste materials contaminate the source of drinking water which of the following diseases will spread?
Scurvy
Typhoid
Malaria
Anaemia
Medicine of quinine is provided by
Eucalyptus plant
aconite plant
cinchona plant
money plant
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
Abiotic environment does not include
Air
Soil
Plants
Which one the following is not biodegradable?
vegetables
fruits
earthworm
aluminium foil
