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Q. No.What will happen to the population of two forms of Biston betularia (peppered moth) inhabiting the region polluted due to emission of soot from industries?
A. Population of dark colored moth will increase
B. Population of both the forms will decrease
C. Population of light colored moth will increase
D. Population of dark colored moth will increase while the population of light colored moth will decrease
E. Population of both the forms will increase
Choose the correct answer from the options given below:
1. A and D only
2. C, D, and E only
3. C and D only
4. B, C, and D only
A. Population of dark colored moth will increase
B. Population of both the forms will decrease
C. Population of light colored moth will increase
D. Population of dark colored moth will increase while the population of light colored moth will decrease
E. Population of both the forms will increase
Choose the correct answer from the options given below:
1. A and D only
2. C, D, and E only
3. C and D only
4. B, C, and D only
Subtopic: Natural Selection |
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If we consider a population in Hardy-Weinberg Equilibrium, then which of the following statements are true ?
A. Population is constantly evolving
B. Genetic drift is negligible
C. Allele frequencies after one round of random mating change from the original frequencies
D. Hardy-Weinberg principle is a fundamental null model for population genetics
E. Allele frequencies change from generation to generation
Choose the correct answer from the option given below :
1. B and C only
2. C and D only
3. A and B only
4. D and B only
A. Population is constantly evolving
B. Genetic drift is negligible
C. Allele frequencies after one round of random mating change from the original frequencies
D. Hardy-Weinberg principle is a fundamental null model for population genetics
E. Allele frequencies change from generation to generation
Choose the correct answer from the option given below :
1. B and C only
2. C and D only
3. A and B only
4. D and B only
Subtopic: Hardy Weinberg Law: 1 | Hardy Weinberg Law: 2 |
From NCERT
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
| Statement I: | Mutations are random and direction less, while Darwinian variations are small and directional. |
| Statement II: | Darwin's finches represent one of the best examples of adaptive radiation. |
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are correct
2. Both statement I and statement II are incorrect
3. Statement I is correct but statement II is incorrect
4. Statement I is incorrect but statement II is correct
Subtopic: Darwin's Theory | Hugo De Vries Theory of Evolution |
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-(I), B-(II), C-(III), D-(IV)
2. A-(IV), B-(III), C-(I), D-(II)
3. A-(III), B-(I), C-(IV), D-(II)
4. A-(III), B-(I), C-(II), D-(IV)
| List I | List II |
| A. Homologous | I. Convergent evolution |
| B. Paralogous | II. Speciation |
| C. Analogous | III. Gene duplication |
| D. Orthologous | IV. Divergent evolution |
1. A-(I), B-(II), C-(III), D-(IV)
2. A-(IV), B-(III), C-(I), D-(II)
3. A-(III), B-(I), C-(IV), D-(II)
4. A-(III), B-(I), C-(II), D-(IV)
Subtopic: Embryological Evidence of Evolution | Palentological Evidences of Evolution |
94%
From NCERT
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Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both statement I and statement II are true.
2. Both statement I and statement II are false.
3. Statement I is correct but statement II is false.
4. Statement I is incorrect but statement II is true.
| Statement I: | In England, during the Industrial Revolution, the black-colored form of Biston Betularia became dominant over the light-colored form of moth because of natural selection, the darker forms were selected. |
| Statement II: | Prior to the Industrial Revolution, the peppered moths exhibited protective mimicry and the light-colored moths were not noticed by predatory birds due to light-colored lichens on the bark of trees. |
1. Both statement I and statement II are true.
2. Both statement I and statement II are false.
3. Statement I is correct but statement II is false.
4. Statement I is incorrect but statement II is true.
Subtopic: Concept of Organic Evolution: Evidence |
82%
From NCERT
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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: Examples of Chemical Evolution | Urey & Miller Experiment | Other Theories of Origin of Life | Theory of Evolution & Lamarckism | A BRIEF ACCOUNT OF EVOLUTION |
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Assertion (A): Adaptive ability is inherited.
Reason (R): Individuals having heritable and useful variations reproduce better and leave more progeny.
In the light of above statements, select the correct answer from the following options.
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. (A) is false but (R) is true
Reason (R): Individuals having heritable and useful variations reproduce better and leave more progeny.
In the light of above statements, select the correct answer from the following options.
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. (A) is false but (R) is true
Subtopic: Concept of Organic Evolution: Evidence |
From NCERT
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How many statements given below are incorrect?
(a) Homo erectus fossil was discovered in Java in 1981.
(b) The Neanderthal man lived in near east and central Africa between 75,000–10,000 years ago.
(c) Australopithecines were probably taller than 4 feet but did not walk upright.
(d) Few fossils of man-like bones have been discovered in Ethiopia and Tanzania.
1. Three
2. Two
3. One
4. Four
(a) Homo erectus fossil was discovered in Java in 1981.
(b) The Neanderthal man lived in near east and central Africa between 75,000–10,000 years ago.
(c) Australopithecines were probably taller than 4 feet but did not walk upright.
(d) Few fossils of man-like bones have been discovered in Ethiopia and Tanzania.
1. Three
2. Two
3. One
4. Four
Subtopic: Introduction to Human Evolution | Evolution of Homo Sapiens |
From NCERT
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Read the following statements and select the option which includes only correct statements.
(A) Thecodonts are extant ancestors of crocodiles and birds.
(B) Mammals have evolved from sauropsids.
(C) Snakes are closer to lizards than tuataras.
(D) Birds are closer to dinosaurs than crocodiles.
1. (A) and (B)
2. (C) and (D)
3. (A) and (C)
4. (A), (C) and (D)
(A) Thecodonts are extant ancestors of crocodiles and birds.
(B) Mammals have evolved from sauropsids.
(C) Snakes are closer to lizards than tuataras.
(D) Birds are closer to dinosaurs than crocodiles.
1. (A) and (B)
2. (C) and (D)
3. (A) and (C)
4. (A), (C) and (D)
Subtopic: A BRIEF ACCOUNT OF EVOLUTION |
From NCERT
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Match column I with column II with respect to human evolution and select the correct option:
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(i), c(iv), d(iii)
3. a(iii), b(i), c(iv), d(ii)
4. a(iv), b(iii), c(ii), d(i)
| Column-I | Column-II | ||
| a. | Australopithecines | (i) | Probably ate meat |
| b. | Homo erectus | (ii) | Walked like gorillas |
| c. | Neanderthal man | (iii) | Hunted with stone weapons but essentially ate fruits |
| d. | Ramapithecus | (iv) | (iv) Lived in near east and central Asia |
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(i), c(iv), d(iii)
3. a(iii), b(i), c(iv), d(ii)
4. a(iv), b(iii), c(ii), d(i)
Subtopic: Introduction to Human Evolution | Classification of Primates | Evolution of Homo Sapiens |
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