Questions

Propagation of sound can be visualised as propagation of ____________ variations in the medium

Optical fibre works on which of the following principle of light?

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Bear in mind

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

"Jim Crow" shuns the mountains for reasons satisfactory to himself; not so the magpie, the raven, and __________ mischief-maker, Clark's nutcracker. All of which keeps the bird-lover from the East in an ecstasy of surprises until he has _____________ accustomed to his changed environment. One cannot help ___________ into the speculative mood in view of the sharp contrasts ______________ the birds of the East and _________ of the West.

the birds of the East and _________ of the West.

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Modern medicine has scored significant victories against both, and the major causes of ill health and death are now the chronic degenerative diseases, such as
coronary artery disease, arthritis, osteoporosis, Alzheimer's, macular degeneration, cataract and cancer.
Q: It follows that the majority of apparently healthy people are pre-ill.
R: Throughout human history the leading causes of death have been infection and trauma.
S: These have a long latency period before symptoms appear and a diagnosis is made.

Which is the most economical method of removing solid matter from water?

Terylene is a condensation polymer of ethylene glycol and which acid?

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'.

No sooner did the sun rise (1)/ when we resumed the journey (2)/ after having a hasty breakfast. (3)/ No Error (4)