Which of the following wastes cannot be decomposed by bacteria to form compost?
Plastic and polythene bags
Bodies of insects living in the soil
Medicine of quinine is provided by
Air pollution is caused by
If waste materials contaminate the source of drinking water which of the following diseases will spread?
An animal that can tolerate the heat of the desert is
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
Abiotic environment does not include
In our country the Van Mahotsav Day is observed on
Second of October
First of December
Tenth of August
First of July
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 one of the following is an example of biotic component of environment?