Questions

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?

______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.

Haemoglobin is an important component of _______.

Which cells in pancreas produce Insulin ?

Alveoli are balloon like structures within the ______.

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

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Fair - weather friend

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

The aroma of the invigorate morning cup of tea comes (1)/ wafting up the stairway and soon I am (2)/ sipping it slowly and reverentially without rushing. (3)/ No error (4)