Questions

Polynucleotide chain of DNA contains

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.

More than thirty years have now passed ______ I had my first flight.

Which permanent tissue makes a plant hard and stiff?

Sulphur and Chlorine can have what type of a bond?

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

Decay of organic matter producing a fetid smell

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

Study of cultures.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

The Professor asked the intruder who was he and why was he in his lecture.

Term ecosystem was coined by