- 1(current)
Q. No.Match column-I with column-II and select the correct option:
| Column I | Column II | ||
| (a) | Louis Pasteur | (i) | Chemical evolution theory |
| (b) | Early Greek thinkers | (ii) | Inheritance of acquired characters |
| (c) | Oparin and Haldane | (iii) | Disapproved spontaneous generation theory |
| (d) | Lamarck | (iv) | Cosmozoic theory |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (ii) | (iii) | (iv) |
Subtopic: Â Examples of Chemical Evolution |Â Urey & Miller Experiment |Â Other Theories of Origin of Life |Â Theory of Evolution & Lamarckism |Â A BRIEF ACCOUNT OF EVOLUTION |
 92%
Level 1: 80%+
Hints
Match the scientists listed in column-I with their ideas listed in column-II and select the correct option
1. a(iii), b(ii), c(i), d(iv)
2. a(i), b(ii), c(iii), d(iv)
3. a(ii), b(iii), c(i), d(iv)
4. a(iii), b(ii), c(iv), d(i)
| Column-I | Column-II | ||
| a. | Lamarck | (i) | Origin of life preceded by chemical evolution |
| b. | Darwin | (ii) | Reproductive fitness |
| c. | Haldane | (iii) | Inheritance of acquired characters |
| d. | Malthus | (iv) | Populations are stable in size except for the seasonal fluctuations |
1. a(iii), b(ii), c(i), d(iv)
2. a(i), b(ii), c(iii), d(iv)
3. a(ii), b(iii), c(i), d(iv)
4. a(iii), b(ii), c(iv), d(i)
Subtopic: Â Examples of Chemical Evolution |Â Other Theories of Origin of Life |Â Theory of Evolution & Lamarckism |Â Darwin's Theory |Â Modern Theory of Evolution |
 88%
Level 1: 80%+
Hints
Read the following statements and choose the option which correctly states each statement as true (T) or false (F).
(a) In experiments similar to Miler's experiment scientists observed the formation of sugars, nitrogen bases, pigment, and fats.
(b) Life appeared 500 million years after the formation of the universe.
(c) Evolutionary biology is the study of the history of life forms on earth.
(a) In experiments similar to Miler's experiment scientists observed the formation of sugars, nitrogen bases, pigment, and fats.
(b) Life appeared 500 million years after the formation of the universe.
(c) Evolutionary biology is the study of the history of life forms on earth.
| (a) | (b) | (c) | |
| 1. | F | F | T |
| 2. | F | T | T |
| 3. | T | F | T |
| 4. | T | T | T |
Subtopic: Â Other Theories of Origin of Life |Â A BRIEF ACCOUNT OF EVOLUTION |
 55%
Level 3: 35%-60%
Hints
Read the following statements and choose the correct option
1. (a) and (b) are correct
2. (b) and (c) are correct
3. (a) and (c) are correct
4. (a), (b) and (c) are correct
| (a) | Geological history of earth closely correlates with biological history of earth |
| (b) | Non-cellular forms of life possibly originated around 3 million years ago |
| (c) | First life forms originated in sea water |
1. (a) and (b) are correct
2. (b) and (c) are correct
3. (a) and (c) are correct
4. (a), (b) and (c) are correct
Subtopic: Â Other Theories of Origin of Life |
 54%
Level 3: 35%-60%
Hints
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| Assertion(A): | Coacervates are believed to be the precursors of life. |
| Reason(R): | Coacervates were self-duplicating aggregates of proteins surrounded by lipid molecules. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Origin of Life: Chemical Evolution: 1 |Â Origin of Life: Chemical Evolution: 2 |Â Other Theories of Origin of Life |Â Origin of Life |
Level 3: 35%-60%
Hints
| Assertion(A): | The earliest organisms that appeared on earth were non-green and presumably anaerobes. |
| Reason(R): | The first autotrophic organisms were the chemoautotrophs that never released oxygen. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Other Theories of Origin of Life |Â A BRIEF ACCOUNT OF EVOLUTION |
 64%
Level 2: 60%+
Hints
| Assertion(A): | Evolution is not occurring at all at present. |
| Reason(R): | Evolution takes a very short time. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Other Theories of Origin of Life |Â A BRIEF ACCOUNT OF EVOLUTION |
 83%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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