Questions

The repeated reflection that results in persistence of sound is called

Which of the following Prime Ministers was awarded Bharat Ratna?

Who won the Economic Time (ET) Lifetime Achievement award in 2017?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The depletion of organic nutrients in the soil has reached alarming proportions, thanks to indiscriminate use of chemical fertiliser in Green Revolution areas.
Q: As against an acceptable level of ‘soil organic carbon’ of well over 5 percent, soils in Punjab are said to have levels far below 1 percent.
R: Besides, 5.3 billion tonnes of soil is eroded annually, at a rate of 16.4 tonnes/hectare.
S: The nutrient imbalance has been skewed by the overuse of urea (N) vis-a-vis phosphatic (P in chemical parlance) and potassic (K) fertiliser.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

She said, "I will be making the dinner now, so tell me what you wish to eat?"

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Galileo was the first scientist to recognize clearly that the only way to further our understanding of the physical world was to______ to experiment.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Up a blind alley

What is the amount of work done when a body moves under a force of 1 N at a distance of 1 meter in the direction of the force?