It was a special reunion between them and  their 

Which vitamin is produced in the skin when exposed to sunlight?

Which of the following solutions will not change the colour of blue litmus paper to red?

 1. Acid solution

2. Base solution

The joint where the neck joins the head is known as which of the following?

The position, relative size and nature of the image formed by a concave lens for an object placed at infinity are respectively 

Vinegar, commonly used in cooking, is primarily composed of which acid?

Which of the following acids is present in an ant’s string?

Kilowatt-hour is the unit of :

Tear gas used by the police to disperse the mob contains –

In a concave mirror which of the following pair of position of object – position of image is correct?

I. At C - At C

II. At F – At Infinity

The magnetic field lines around a straight current carrying conductor are