How are morphine and heroin related ? Mention the effect each one of them has on the human body.

How are photosynthesis and respiration related to each other ?

How many bones do humans have in the body?

(a) Name the source plant of heroine drug. How is it obtained form the plant? (b) Write the effect of heroin on the human body.

How many bones are present in the human body ?

Write the scientific name of the source plant of the drugs, marijuana and hashish and mention their effect on the human body.

Mention three harmful effects of pollution on human health.

Give an example of each class of lever in a human body.

How many types of antibodies are seen in the human body

Mention one function each of the following organs. Tongue

Which one of the following is a food preservative : equanil, morphine, sodium benzoate ? (ii) Write the therapeutic action of Aspirin on human body and mention the class of drugs to which each of these belong :