Questions

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".

The sun hid behind a cloud and it seemed like a light (have been switched) off.

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?

32% of a number exceeds 17% of the same number by 120. What is the value of the number?