General Knowledge Questions

A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is

What produces the striations of a skeletal muscle cell?

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Cyber security has ________________interesting parallel to terrorism. _________________ are asymmetric. Ensuring security of data, information, and communication is considerably harder than hacking into a system. The attacker has an inherent ________________ in both conventional terrorism and cyber attacks. In the case _________________ state­-sponsored attacks, the challenges are of a much ________________ magnitude.

In the case _________________ state-­sponsored attacks.

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'.

Sorry to have(A)/troubled you; since(B)/it couldn't be helped.(C)/No error(D)

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

to allay the sorrow or grief

Why is Carbon Monoxide a pollutant ?

What is the name of the crypto currency planned by Reliance Jio Infocomm Ltd?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.
Jubilant