Who was awarded the Pradhan Mantri Rashtriya Bal

Identify the 'green-house gas'.

Who discovered Viroids?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. 

Alteration of amino acids in sequence without altering protein function is called as 

Which of the following nutrients is considered mobile within the plant and hence deficiency symptoms appear first on older leaves?

Soil structural units having horizontal axis much longer than vertical axis. Such type of soil structure is known as

TGMS and PGMS systems of male sterility are available in:

Chromosome number (n) of potato (Solanum tuberosum) is

Which of the following statement is not correct regarding the description of Parenchyma tissue?

The scientific name of the Italian honey bee is