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Q. No.Read the following statements with respect to evolutionary history of vertebrates
(a) Thecodonts are extinct common ancestor of crocodiles, birds and mammals
(b) Lizards are more closely related to tuataras than turtles
(c) Sauropsids are common ancestors of present day reptiles and birds
(d) Pelycosaurs and therapsids are evolved from synapsids
Choose the correct option
1. (a) and (b) are correct
2. (a) and (c) are correct
3. (b), (c) and (d) are correct
4. (a) and (d) are correct
Subtopic: Concept of Speciation |
68%
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Match column I with column II and choose the correct option
1. a(iii), b(ii), c(i)
2. a(iii), b(i), c(ii)
3. a(i), b(ii), c(iii)
4. a(ii), b(iii), c(i)
| Column I | Column II | ||
| a. | Vertebrate hearts | (i) | Vestigial organs |
| b. | Eyes of the Octopus and of mammals | (ii) | Homologous organs |
| c. | Auricular muscles and 3rd molar teeth | (iii) | Analogous organs |
1. a(iii), b(ii), c(i)
2. a(iii), b(i), c(ii)
3. a(i), b(ii), c(iii)
4. a(ii), b(iii), c(i)
Subtopic: Embryological Evidence of Evolution |
92%
From NCERT
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Match column-I with column-II and choose the correct option
1. (a)-(iii), (b)-(i), (c)-(ii)
2. (a)-(i), (b)-(iii), (c)-(ii)
3. (a)-(i), (b)-(iii), (c)-(iv)
4. (a)-(iii), (b)-(i), (c)-(iv)
| Column I | Column II | ||
| (a) | Oparin and Haldane | (i) | Chemical evolution theory |
| (b) | Darwin | (ii) | Cosmozoic theory |
| (c) | Early Greek thinkers | (iii) | 'Origin of species' book |
| (iv) | Spontaneous generation theory |
1. (a)-(iii), (b)-(i), (c)-(ii)
2. (a)-(i), (b)-(iii), (c)-(ii)
3. (a)-(i), (b)-(iii), (c)-(iv)
4. (a)-(iii), (b)-(i), (c)-(iv)
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
60%
From NCERT
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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: Other Theories of Origin of Life | A BRIEF ACCOUNT OF EVOLUTION |
52%
From NCERT
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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
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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
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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
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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
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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
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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
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