Questions

The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

Which of the following is not true about X­rays?

Mitochondrial DNA analysis is best suited for

The cell wall in plants is interrupted by narrow pores carrying fine stands of cytoplasm which interlink the contents of the cells. These strands are called:-

Which of these is not a UNESCO World Heritage Site?

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".

As feared, (differences into) the families pose a hurdle.

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

He refused them donation.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
A person or thing that is likely to cause harm