Questions

Which of the following is a nitrogen-fixing bacteria?

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: When all the credit worthy people were given loans to a logical limit, they ceased to be a part of the market.
Q: Even this would have been understandable if it could work as an eye opener.
R: Owing to the materialistic culture elsewhere, it was possible to keep selling newer products to the consumers despite having existing ones which served equally
well.
S: They were lured through advertising and marketing techniques of 'dustbinisation' of the customer; and then finally, once they became ready customers, they were
given loans and credits to help them by more and more.

The oldest form of cultivation in Sri Lanka is known as

Find the potential energy gained by a body of mass 50 kg, if it is raised by 10m. (use g = 10 m/s2)

Echocardiogram is more closely related to

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

My mother said, "We went to a market that is five kilometers from here."

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".

Since when (have to start) a business been so easy?

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: Practical farming includes knowledge of fruit and vegetable farming.
Q: These schools need not necessarily have their own farms because the village itself will provide ample field work facilities.
R: Agriculture should be made compulsory in higher secondary schools; alternatively, the urban students can be taught town-planning, industrial planning etc.
S: Therefore, at this stage, only theoretical education for the village students would suffice.