21. Life expectancy ______
(A) Depends only on death rate
(B) Depends only on birth rate
(C) Is the average life span of other individuals in a population?
(D) Refers to life span of an individual
Answer:
Explanation:
22. Eco- mark is given to an Indian product which is
(A) Rich in Protein
(B) Environment-friendly
(C) Economically viable
(D) Pure unadulterated
Answer:
Explanation:
23. Newton’s first law is also called as
(A) Law of inertia
(B) Law of energy
(C) Law of momentum
(D) Law of moments
Answer:
Explanation:
24. Inventor of WWW is ______
(A) P.V. Young
(B) Tim Berners Lee
(C) Bill Gates
(D) None of these
Answer:
Explanation:
25. Spam is related to
(A) Computer
(B) Art
(C) Music
(D) Game
Answer:
Explanation: