General Science 6-7

The ozone layer protects the earth from__________ sent by sun.

The layer of the atmosphere in which the ozone layer lies is called _______

The Pakistani population receives the largest dose of ionizing radiation from ____

In water pollution, industries are said to be ________

Which one of the following group of plants can be used as indicators as SO pollution in the air?

• Hornworts

• Liverworts

• Ferns

• Epiphytic lichens

Prevailing winds effect the region’s climate by

• creating desert areas

• causing precipitation on one side of the mountain

• affecting how much precipitation it receives

• controlling the amount of solar energy, it receives

Carbohydrate content in potato (per 100g) is ______g.

Those at greatest risk of food-borne illness include _______.

• infants and children

• pregnant women

• immuno-suppressed individuals

• all of the above

The gas used in the artificial ripening of green fruit is ______.

Which is the closest planet to earth?