General Knowledge Questions

If speed of rotation of the earth increases, the weight of the body

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. Ifa sentence is free from error, select 'No Error'.

His assistance (1)/ wasn’t happy (2)/ with his job. (3)/ No error (4)

Which State government has launched the Smart Village Programme, to improve public facilities in village?

The reactions in which oxidation and reduction occur simultaneously are called _______.

In mammals, an important role of excretion is played by________

Soda water was invented by

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".
I wondered what one would have thought some 40 years ago if you (had said) you could heat liquid using a plastic container.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
The faculty or power of using one's will