A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from

What precautions are required in case of air borne disease such pneumonia and common cold?

Which of the following toxic substances is responsible for the high malarial fever?

Sprain is caused due to excessive pulling of

Identify the molecules $(A)$ and $(B)$ shown below and select the right option giving their source and use.

Molecule             $\to $         Source                  $\to $                Uses

Women who consumed the drug thalidomide for relief from vomiting during early months of pregnancy gave birth to children with