Questions

Azolla increases soil fertility for ....

Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A man who collects old and new coins.

In arc welding, Argon is used because of its

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.
Multifaceted

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P- To those who have known comfort, discomfort is a real torture.
Q- Comfort is now one of the causes of its own spread.
R- The more comfort is brought into the world, the more it is likely to be valued.
S- It has now become a physical habit, a fashion, an ideal to be pursued for its own sake.

In the following question, out of the give four alternatives, select the one which best expresses the meaning of the given word.

Plight

Which of the following is a work done by the placenta tissue in humans?