Question 2:

______ minerals include iron, aluminium, copper, tin, nickel, silver, gold and platinum etc.

Question 3:

Groundwater gets contaminated due to the use of ________, fertilisers and chemicals and causes serious health hazards to the wildlife in aquatic ecosystems such as diseases, birth defects, and reproductive failure. 

Question 4:

Air gets polluted due to presence of pollutants in the _______ and it can result from both human and natural occurrences.

Question 5:

________ minerals include sand, gravel, cement, salt, sulphur, phosphorous, diamonds and gems.

Question 6:

_________ helps to create energy for plants and animals. Body cells take up ________ from blood and generate energy from food.

Question 7:

Water exists in three forms: solid, liquid, and ________.

Question 8:

Soil is classified on the basis of its nature and composition. In India we find six main types of soils: 1. _______ , which is rich in loam and clay; 2. _______ , which has predominantly clay; 3. ______, which is sandy to loam; 4. ______, which is stony sandy soil; 5. ______, which is sandy and poor in organic carbon; and 6. ________, which has porous clay rich in iron and aluminium hydroxides.

Question 9:

Just like bees, ____ also supports pollination, as pollens get blown away by ___ from plants,  cross pollination takes place.

Question 10:

_______ can change the soil chemistry of an area, and it can also leach out the nutrients inside it.