Top 150+ Solved Evolution MCQ Questions Answer
Q. What was the resultant found in place marked E ?
a. Glucose, fatty acids and lipids
b. Some fatty acids and organic acids
c. Some amino acids as glycine and alanine and
d. Organic esters only
Q. Match the appropriatc :_ans_key_Column – I Column – II_ans_key_A. Cosmozoan theory (i) Oxidizing environment rich in autotrophs like cyanobacteria_ans_key_B. Spontaneous generation (ii) Microspheres_ans_key_C. Primary abiogenesis (iii) Hot ball of gases_ans_key_D. Atmosphere I (iv) Oparin and Haldane_ans_key_E. Atmosphere III (v) Panspermia_ans_key_F. Sydney Fox (vi) Abiogenesis_ans_key_A B C D E F A B C D E F
a. (v) (vi) (iv) (iii) (i) (ii)
b. (i) (ii) (iii) (iv) (v) (vi)
c. (ii) (iii) (i) (v) (vi) (iv)
d. (vi) (iv) (iii) (v) (ii) (i)
Q. A. The first molecules formed for replicating cells were most probably RNA.R. This was proved by origin of ribozyme in 1987 by T. Cech in Tetrahymena.
a. If A and R both are true and R is correct explanation of A
b. If A and R both are true but R is not correct explanation of A
c. If A is true and R is wrong
d. If A is wrong and R is true
Q. Pick up the correct match_ans_key_I. Core of the earth A. Archaeozoic era_ans_key_II. Life originated B. Fe-Ni_ans_key_III. Stromatolites C. Inter-micromolecular assembly_ans_key_IV. TMC is an example D. Photosynthesizing algae
a. I – B, II – A, III – D, IV – C
b. I – A, II – B, III – C, IV – D
c. I – B, II – D, III – C, IV – A
d. I – A, II – B, III – D, IV – C
Q. A. Arrhenius considered the panspermia mainly responsible for transfer for germs from other planets to Earth._ans_key_R. Present day study of meteorities as Allan Hills-84001 knocked out from Mars in Antarctica is rich aromatic hydrocarbons deposited by biological activity.
a. If A and R both are true and R is correct explanation of A
b. If A and R both are true but R is not correct explanation of A
c. If A is true and R is wrong
d. If A is wrong and R is true
Q. The diagram represents Miller experiment. Choose the correct combination of labelling.
a. A – electrodes, B – NH3 + H2 + H2O + CH4, C – cold water, D – Vacuum, E – U trap
b. A – electrodes, B – NH4 + H2 + CO2 + CH3, C – hot water, D – Vacuum, E – U trap
c. A – electrodes, B – NH3 + H2O, C – hot water, D – tap, E – U trap
d. A – electrodes, B – NH3 + H2 + H2O + CH4, C – steam, D – Vacuum, E – U trap
Q. The earliest organisms were ______.
a. heterotrophic and anaerobic
b. autotrophic and anaerobic
c. heterotrophic and aerobic
d. autotrophic and aerobic
Q. Which one of the following is present today but was absent about 3.5 billion years ago ?
a. Oxygen
b. Nitrogen
c. Hydrogen
d. Methane
Q. Coacervates were experimentally produced by .............
a. Sydney Fox and Oparin
b. Fischer and Huxley
c. Jacob and Monod
d. Urey and Miller
Q. Urey and Miller in their experiment used a mixture of gases corresponding to primitive earth. Thesewere ______.
a. C3, NH3, H2, CO2
b. O2, NH3, CH4, H2
c. NH3, CH4, H2O, CO2
d. CH4, NH3, H2, H2O
Q. According to abiogenesis life originate from ______.
a. non-living matter
b. pre-exiting life
c. chemicals
d. extra-terrestrial matter
Q. Mega – evolution is ______.
a. Changes in the gene pool
b. evolution due to mutations
c. origin of a new biological group
d. the evolution that takes centuries
Q. Evolutionary convergence is characterised by
a. development of dissimilar characteristics in closely related groups
b. development of a common set of characteristics in the groups of different ancestry
c. development of characteristics by random mating
d. replacement of common characteristics in different groups.
Q. Parallelism is ______.
a. adaptive divergence
b. adaptive convergence
c. adaptive convergence of far off species
d. adaptive convergence of closely related groups.