Questions

________ perform Internet Protocol blocking to protect networks from unauthorized access.

Ozone hole is caused by chemicals like _____.

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'.

Everybody knows(1)/ that Bhutan is the most peaceful(2)/ of all other countries of the world.(3)/ No Error(4)

Harmful bacteria in potable water make the water

Organisms that use light to prepare food are known as _____.

If a mirror is placed on the line AB, then which of the answer figure is the right image of the given figure?

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

Find the sum of the measures all the exterior angles of a decagon.