Questions

Fishes have a ........ chambered heart.

The process of taking up a permanent shape, size and function to form a permanent tissue is called

Who discovered Nitrogen?

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Ascend

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

To disorder or disarrange (someone's hair), typically by running one's hands through it.

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.

Despite the abuse and insults that were hurled at him, he really sticks on his guns and showed the protesters how to be calm.
i. he really stuck onto his guns and showed the protesters
ii. he really stuck to his guns and showed the protesters
iii. he really is sticking his guns onto the protesters

Aromatic hydrocarbons contain at least _____ benzene like ring in their molecules.

Why is Carbon Monoxide a pollutant ?