BIOLOGY MCQs FOR NEET/AIPMT (UG): ORIGIN OF LIFE

 17.theory of eternity of life was proposed by
a. Francesco Redi
b. Oparin
c. Anaximander
d. Preyer
18. Theory of catastrophism was proposed by
 a.cuvier
 b. Oparin and Haldane
 c. Preyer
 d. Richter
19. Theory of panspermia was proposed by ....
 a. Arrhenius
 b. Richter
 c. Oparin and Haldane
 d. Pasteur .
20. Therory of Abiogenic origin of life was proposed by
 a.Oparin
 b.Haldane
c.Both a and b
 c.Cuvier
21. The early molecular forms on earth were
a.Water and  Hydrogen cyanide
 b.Carbon dioxide and carbon monoxide
 c.Methane and ammonia
 d.All of these
22.Which gases were used by Miller and Urey in their experiment
 a. Methane,ammonia, water vapours,hydrogen
 b. Methane,ammonia,nitrogen and water vapours
 c. Methane,nitrogen,hydrogen and water vapours
 d. Ammonia,carbon dioxide,nitrogen and water vapours.
 23. Origin of life took place in
 a. Air
 b. Soil
 c. Water
d. On other planet
24.Which molecule was absent in the atmosphere at the time of origin of life
 a.methane
 b.oxygen
 c.hydrogen
 d.carbon dioxide
 Ans c3: 17d 18a 19a 20c 21 d 22 a 23c 24b.

BY : ASHWANI KUMAR BIOLOGY TEACHER VIGYAN TUTORIALS PATELNAGAR PHAGWARA 9646388266