Category: Class 7th

What Is The Use Of Concave Lens Concave lens are used in making apectacles for  people who can not see distant objects clearly. What Is The Use Of Concave Lens

Appliances in which the heating effect of current is utillised Electric Room Heater , Electric Heater , Electric Iron , Electric Kettle , Electric Toaster , Electric Oven , Electric Water Heater (Geyser) , Immersion rodand etc work on the heating effect of current. Appliances in which the heating effect of current is utillised

What Is The Role Of Diaphragm Role Of Diaphragm During Inhalation:The diaphragm contracts and moves downwards.This increase the space in the chest cavity Role Of Diaphragm During Exhalation:The diaphragm relaxes and moves upward yo its original position .This decreases the soace in the chest cavity. What Is The Role Of Diaphragm

What Is A Cyclone A cyclone is a huge revolving storm caused by very high speed winds blowing around a central area of low pressure zone over the ocean. What Is A Cyclone

Question Answer Two Migratory Birds Siberian Crane The Siberian crane, also known as the Siberian white crane or the snow crane, is a bird of the family Gruidae, the cranes. Arctic Tern The Arctic tern is a seabird of the tern family Sternidae. This bird has a circumpolar breeding distribution covering the Arctic and sub-Arctic…

Read More “Two Migratory Birds” »

Question Answer Bacteria That Causes Sorter’s Disease Ans : Bacillus Anthracis Bacteria That Causes Sorter’s Disease

QUESTION ANSWER What Is Nutrition Nutrition is the process of taking food by an organism and its digestion , absorption and utilisation by the body. What Is Nutrition