Look deep into nature . Aurra Bhatnagar Badoni New Reel's

Cite one example of natural mutation producing a new species

The wavelength of light diminishes mu times ( mu=1.33 for water) in a medium. A diver from inside water looks at an object whose natural colour is green. He sees the object as

Every year new species have been dicovered. In the nature, the discovery of new species is possible from :-

Look at the picture shown below. (a) What is process shown in the picture? (b) Do you think all substances in nature exhibit this characteristics?

When 15 is included in a list of natural numbers, their mean is increased by 2. When 1 is included in this new list, the mean of the numbers in the new list is decreased by 1. How many numbers were there in the original list? (a) 4 (b) 5 (c) 6 (d) 8