What is addiction.

What are the physical effects of various addictions on human ?

List the physical effect of various addictions on human.

State whether the given statements are True or False. Correct the false statement. Spending time with cell phones for several hours is a sort of addiction.

Mental stress, addiction, lingering in nature, incurable diseases.

Complete the paragraph by choosing the appropriate words given in the , bracket : (Lungs. heart, carcinogenic, nervous, intoxicating, hazardous, addictions, peer-group) The children fall into the trap of .......... either due to ............. pressure or due to false symbol of high standard living. Sometimes they try to imitate their elders. The addictive substances are............ and they cause long term effects. Some are temporarily ............ substances obtained from the plants. While some of the chemical ingredients in them can permanently damage the human ............ system, muscular system, ............, etc. Some tobacco like substances are ........... in action especially on the mouth and.............

What is Penicillin? What is it used for?

What is an atom and moleule ? What are isotopes?

What is Avagadro number ? What is a mole ?

What is acceleration ? What are its types ?

What is cyclotron ? What are the limitations of cyclotron?