91.If there were no atmosphere, what would be the colour of sky ?

92.Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Red phosphorus is preferred to white phosphorus in the manufacture of matchesReason (R) : Red phosphorus is non - poisonous in nature.

93.Birth control polls contain synthetic

94.Which of the following is the correct description of the term - Human Bomb ?

95.Consider the following effects of genetic engineering : 1. Disease resistance 2. Growth promotion 3. Cloning 4. LongevityOf the above, those that have been tried out with a certain amount of success inclued