Questions

Which of the following changes when a body performs uniform circular motion?

What is the principal focus of a spherical mirror?

If for the year a country's GDP was $990 million, consumer spending was $630 million, investment by businesses was $110 million, exports were $55 million and imports were $45 million, calculate government spending?

Which component of the blood transports food, CO2 and nitrogenous waste?

A newborn human baby is fed with the first secretion called colostrum from mammary gland. What does colostrum impart?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No error'.
The student asked me if (1)/ I knew that Kalidas was the greater (2)/ than any other poet. (3)/ No Error (4)

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

They have published the names of all the successful candidates.

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

His friends claimed that he (been depressed) for a few months.