Questions

During what stage of photosynthesis is O2 produced?

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

In the world today we make health an end in itself. We have forgotten that health really means to enable a person to do his work and do it well. A lot of modern medicine, and this includes many patients as well as many physicians, pay very little attention to health but very much attention to those who imagine they are ill. Our great concern with health is shown by the medical columns in newspapers, the health articles in popular magazines and the popularity of television programmes and all those books on medicine. We talk about health all the time. Yet for the most part the only result is more people with imaginary illness. A healthy man should not be wasting time talking about health : he should be using health for work.

Modern medicine is primarily concerned with

Improve the bracketed part of the sentence.
The patient died (of a wound and not of) cancer.

What is LB Shastri’s memorial?

The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by

Which of the following statements about water is false?

Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.

REM sleep is also known as paradoxical sleep because