Questions

We know that, 

Earth is known as Watery planet.

Neptune is known as Blue planet. 

In order to encourage work of excellence in taxonomy and also to encourage young students and scholars to work in this field of science, this award, named after the late Prof. E.K. Janaki Ammal was instituted in the year 1999.Late Prof. Janaki Ammal did taxonomic work of outstanding merit and excellence, particularly in the area of cytotaxonomy and has been a source of inspiration to many young scientists.The award is presented by Ministry of Environment, Forest and Climate Change

Activation of the receptors by stimuli is called Sensation.

The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2008.

In all the given options, molecules are containing nonpolar covalent bonds.

Answer: U

Explanation:   Starting on the left, and moving along the line to the right, letters follow the alphabetic sequence, in steps of 1,2,3 and then 4, before repeating the sequence.

Mohammed or Mohammad is thought to be the most popular name in the world, given to an estimated 150 million men and boys.