1.Basic metals can be converted into gold by ?*
Answer:Artificial nuclear radioactivity
2.A light year is a unit of ?*
Answer:Length
3.One of the main function of the earth’s ozone layer is to ?*
Answer:Filter out ultraviolet rays
4.Person with following blood group are considered to be universal recipient*
Answer:AB+
5.Study of life in outer space is known as ?*
Answer:Exobiology
6.The name of the common mineral salt present in sweat is ?*
Answer:Sodium Chloride
7.Sensitive layer of the eye is?*
Answer:Cornea
8.Laughing gas has chemical composition of following two elements ?*
Answer:Nitrogen + Oxygen
9.Dr. Abdus Salam of Pakistan was one of the contributors of the unification of __________?*
Answer:Electromagnetic force and weak nuclear force
10.Which triplet in DNA codes for valine ?
A. CTT
B. AGU
C. CAT
D. AAT
E. None of these✅