Evolutionary biology 
I: is the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth. 
II: is also defined as the study of the history of life forms on Earth.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Origin of Life |  A BRIEF ACCOUNT OF EVOLUTION |
 91%
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Consider the given two statements:
Assertion: When we look at stars on a clear night sky we are, in a way, looking back in time.
Reason: When we see objects in our immediate surroundings, we see them instantly and hence in the present time.
 
1. (A) is False but (R) is True
2. (A) is True but (R) is False
3. Both (A) and (R) are True and (R) is the correct explanation of (A)
4. Both (A) and (R) are True but (R) is not the correct explanation of (A)
Subtopic:  Origin of Life |
 74%
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In the solar system of the milky-way galaxy, the earth was supposed to have been formed about:
1. 20 billion years back 2. 10 billion years back
3. 4.5 billion years back 4. 3.0 billion years back
Subtopic:  Origin of Life |
 82%
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Given the following statements about activities in the early earth:
I: Water vapour, methane, carbon dioxide, and ammonia released from molten mass covered the surface. 
II: The UV rays from the sun broke up water into Hydrogen and Oxygen and the lighter H2 escaped.
III: Oxygen combined with ammonia and methane to form water, CO2, and other gases.
IV: As it cooled, the water vapour fell as rain, filling all the depressions and forming oceans.
Select the correct statements:
1. Only I, II and III are correct
2. Only III and IV are correct
3. Only II, III and IV are correct
4. All are correct
Subtopic:  Origin of Life |
 82%
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Oparin of Russia and Haldane of England proposed that:
I: The first form of life could have come from pre-existing non-living organic molecules (e.g. RNA, protein, etc.)
II: The formation of life was preceded by chemical evolution, i.e., the formation of diverse organic molecules from inorganic constituents.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Origin of Life |
 89%
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Consider the given two statements:
Assertion (A): Louis Pasteur, in his experiment, showed that in pre-sterilised flasks, life did not come from killed yeast while in another flask open to air, new living organisms arose from ‘killed yeast’.
Reason (R): Life comes only from pre-existing life.
 
1. (A) is True but (R) is False
2. Both (A) and (R) are True and (R) is the correct explanation of (A)
3. Both (A) and (R) are True but (R) is not the correct explanation of (A)
4. (A) is False but (R) is True
Subtopic:  Origin of Life |
 74%
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The connotations of the special creation theory regarding the origin of life do not include:
1. All living organisms (species or types) that we see today were created as such.
2. The diversity was always the same since creation and will be the same in future also.
3. Earth is about 4000 years old.
4. Living organisms develop from non-living matter.
Subtopic:  Origin of Life |
 79%
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The most accepted line of descent in human evolution is:

1.  Australopithecus → RamapithecusHomo sapiensHomo habilis
2. Homo erectusHomo habilisHomo sapiens
3. RamapithecusHomo habilisHomo erectusHomo sapiens
4.  Australopithecus → RamapithecusHomo erectusHomo habilisHomo sapiens.

Subtopic:  Concept of Organic Evolution: Evidence | Evolution Prior to Ape Man | Origin of Life |
 83%
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