Questions

There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?

Blotting paper absorbs ink due to

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One who is determined to take full revenge for wrongs done to him

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P- And if I think about something which didn't happen I start thinking about all the other things which didn't happen.
Q- But there is only ever one thing which happened at a particular time and a particular place.
R- And there are an infinite number of things which didn't happen at that time and that place.
S- A lie is when you say something happened which didn't happen.

Which of the following reproduce both, sexually as well as asexually?

In October 2017, RBI planned to make ______ compulsory for companies having aggregate exposure over Rs 5 crore.

______ is a strong drug that doctors give to people to make them calm or help them sleep.

Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum?