Questions

In a water molecule, the ratio of mass of Hydrogen to the mass of Oxygen is always:

What is regulated by the sphincter muscle in the stomach?

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'.
Are not your father (1)/ and your elder brother (2)/ out of town? (3)/ No Error (4)

 The difference between exports and imports is called-? 

Which feature of a plant helps to distinguish a monocot from a dicot?

Plants get their energy to produce food from which of the following?

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Off the hook