Questions

In the following question, a passage is given which describes a situation. From the given options, mark the correct inference that can be drawn from the passage. If none of the inferences follow, mark option 5, “None of these” as the answer.
In nearly all human populations a majority of individuals can taste the artificially synthesized chemical phenylthiocarbonide (PTC). However, the percentage varies dramatically-- from as low as 60% in India to as high as 95% in Africa. That this polymorphism is observed in non- human primates as well indicates a long evolutionary history which, although obviously not acting on PTC, might reflect evolutionary selection for taste discrimination of other, more significant bitter substances, such as certain toxic plants.

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

Since last year his condition has been________

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".

He (to be) positively rude.

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 it by selecting the appropriate option.

Ever since Anita lost her job, she has done _________ but wallow in self-pity.

Select the word with the correct spelling.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

to cause a process or action to begin

Ozone protects biosphere from ___________

The atomic bomb is based on the principle of