Questions

The Chemical formula of Ammonium oxalate is _____.

Which of the following is the third member of the Dobereiner triad, that also features Lithium and Sodium?

In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required.

At first glance, it seems implausible that such an intricately engineered bio system such as our could have come about merely as a result of random modifications.

i. such an intricately engineered bio system as ours

ii. such intricately engineered bio system such as our

iii. such intricately engineered bio system such as ours

In the given question, an idiom/phrase highlighted in bold is given in a sentence. Choose the most suitable meaning of the idiom/phrase.

I hope you pardon my French that I used during the serious and intense discussion we were having yesterday.

.......... helps the eye to adjust the focal length of the lens.

Psidium guajava is the scientific name of ___________.

Allium Cepa is the scientific name of _____.

The source of energy in an ecosystem is