Select the related number from the given

In which part of the body is cornea and the retina found?

Rustom-2 is a/an __________ developed by India's Defence Research and Development Organisation (DRDO).

At ________ the centigrade and Fahrenheit scales are equal.

Which gas is commonly used for the artificial ripening of fruits?

Who discovered the Rh factor in blood in the year 1940?

Insulin hormone is secreted by which of the following organ?

Who is elected as the new President of the country South Korea?

Mycorrhiza is a symbiotic association between:

How many satellites of the Indian Regional Navigation Satellite System (IRNSS) are currently operational? 

What are the essential components required for photosynthesis?