Questions

___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.

The ___ has abundant white fibres.

Sensitivity of potentiometer can be increased by

Orbital period of Halley's comet is ___ years.

As per historical astronomy there are ___ zodiac divisions.

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'.
Grandfather led (1)/a peaceful life after his (2)/retirement from the army.(3)/No Error (4)

Which among the following is NOT an event during the photosynthesis process?

After how much time the laws made by Parliament on the state subjects during a National Emergency become inoperative and cease to operate?