Select Chapter Topics:
Q. No.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)
(b)
(c)
1.
F
F
T
2.
F
T
T
3.
T
F
T
4.
T
T
T
Subtopic: Other Theories of Origin of Life | A BRIEF ACCOUNT OF EVOLUTION |
52%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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: Other Theories of Origin of Life |
54%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match column I and column II and choose the correct option:
1. a(iii), b(ii), c(i)
2. a(i), b(ii) , c(iii)
3. a(ii), b(iii), c(i)
4. a(iii), b(i), c(ii)
| Column I | Column II | ||
| a. | Dryopithecus | (i) | Arose during ice age |
| b. | Neanderthal man | (ii) | Lived between 1,00,000-40,000 years ago 1400 cc cranial capacity |
| c. | Homo sapiens | (iii) | Existed around 15 mya |
1. a(iii), b(ii), c(i)
2. a(i), b(ii) , c(iii)
3. a(ii), b(iii), c(i)
4. a(iii), b(i), c(ii)
Subtopic: Evolution Prior to Ape Man |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match column I with column II and choose the correct option
1. a(ii), b(i), c(iii)
2. a(iv), b(i), c(iii)
3. a(ii), b(iii), c(i)
4. a(ii), b(iv), c(iii)
| Column I | Column II | ||
| a. | Saltation | (i) | Lamarck |
| b. | Inheritance of acquired characters | (ii) | Hugo de Vries |
| c. | Branching descent and natural selection | (iii) | Darwin |
| (iv) | Thomas Malthus |
1. a(ii), b(i), c(iii)
2. a(iv), b(i), c(iii)
3. a(ii), b(iii), c(i)
4. a(ii), b(iv), c(iii)
Subtopic: Theory of Evolution & Lamarckism | Darwin's Theory | Hugo De Vries Theory of Evolution |
81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match List-I with List-II
Choose the correct answer from the options given below.
(a) (b) (c) (d)
1. (i) (iv) (iii) (ii)
2. (iv) (iii) (ii) (i)
3. (ii) (iii) (i) (iv)
4. (ii) (i) (iv) (iii)
| List-I | List-II | ||
| (a) | Adaptive radiation | (i) | Selection of antibiotic- resistant bacteria |
| (b) | Gene flow | (ii) | Australian marsupials |
| (c) | Evolution by anthropogenic action | (iii) | If gene migration happens multiple times |
| (d) | Convergent evolution | (iv) | Flippers of penguins and dolphins |
(a) (b) (c) (d)
1. (i) (iv) (iii) (ii)
2. (iv) (iii) (ii) (i)
3. (ii) (iii) (i) (iv)
4. (ii) (i) (iv) (iii)
Subtopic: Additional Theories of Darwin | Genetic Basis of Adaptation |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Read the following statements carefully about natural selection
A. Any population has built-in variations in characteristics and adaptive ability is inherited
B. Adaptive ability has a genetic basis
C. Fitness is the end result of the ability to adapt and get selected by nature
D. The rate of appearance of new forms is linked to the life-cycle or the life span
E. We cannot treat evolution as consequence of a process called natural selection
1. Only statements A, B and C are correct
2. Only statements B, C and D are correct
3. Statements A, B, C and D are correct
4. Statements C, D and E are correct
A. Any population has built-in variations in characteristics and adaptive ability is inherited
B. Adaptive ability has a genetic basis
C. Fitness is the end result of the ability to adapt and get selected by nature
D. The rate of appearance of new forms is linked to the life-cycle or the life span
E. We cannot treat evolution as consequence of a process called natural selection
1. Only statements A, B and C are correct
2. Only statements B, C and D are correct
3. Statements A, B, C and D are correct
4. Statements C, D and E are correct
Subtopic: Darwin's Theory |
74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Read the following statements A and B with respect to evolution. Select the correct option.
Statement A: Evolution is not a directed process in the sense of determination.
Statement B: It is a stochastic process based on chance events in nature and chance mutation in organisms.
1. Both statements A and B are incorrect.
2. Both statements A and B are correct.
3. Only statement A is incorrect.
4. Only statement B is incorrect.
Statement A: Evolution is not a directed process in the sense of determination.
Statement B: It is a stochastic process based on chance events in nature and chance mutation in organisms.
1. Both statements A and B are incorrect.
2. Both statements A and B are correct.
3. Only statement A is incorrect.
4. Only statement B is incorrect.
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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.
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: Origin of Life: Chemical Evolution: 1 | Origin of Life: Chemical Evolution: 2 | Other Theories of Origin of Life | Origin of Life |
Please attempt this question first.
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.
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: Other Theories of Origin of Life | A BRIEF ACCOUNT OF EVOLUTION |
61%
Please attempt this question first.
Hints
Assertion(A): Natural selection is the outcome of difference in survival and reproduction among individual that have shown variation in one or more traits.
Reason(R): Adaptive forms of a given trait to become more common. Less adaptive ones become less common or disappear.
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.
Reason(R): Adaptive forms of a given trait to become more common. Less adaptive ones become less common or disappear.
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: Concept of Organic Evolution: Evidence: 1 | Concept of Organic Evolution: Evidence: 2 | Concept of Organic Evolution: Evidence: 3 | Darwin's Theory | Summary of Darwin's Theory | Additional Theories of Darwin |
56%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.