Questions

Algae belongs to which of the following levels of the ecosystem?

Which type of pathogen causes the water­-borne disease E. coli Infection?

Which enzyme has been used by scientists of Massachusetts Institute of Technology to induce plants to give off dim light?

______ is a strong drug that doctors give to people to make them calm or help them sleep.

If price of an article decreases from Rs P1 to Rs 75, quantity demanded increases from 1000 units to 1200 units. If point elasticity of demand is ­3.2 findmP1?

In the following question, a sentence/ a part of the sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternatives. In case no improvement is required, choose "No Improvement" option.

Twelve workers were killed in the conflict between two trade unions.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate itby selecting the appropriate option.

Corruption not only generates black money but ______ criminals.

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'.

Mark won all of (1)/ the award for the categories (2)/ in which he was nominated. (3)/ No error (4)