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Q. No.Panspermia, an idea that is still a favorite for some astronomers, means:
| 1. | Creation of life from dead and decaying matter |
| 2. | Creation of life from chemicals |
| 3. | Origin of sperm in human testes |
| 4. | Transfer of spores as a unit of life from other planets of Earth |
Subtopic: Origin of Life |
87%
Level 1: 80%+
NEET - 2022
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Select the correct statement regarding the mutation theory of evolution:
| 1. | This theory was proposed by Alfred Wallace. |
| 2. | Variations are small directional changes. |
| 3. | Single-step large mutation is a cause of speciation. |
| 4. | Large differences due to mutations arise gradually in a population. |
Subtopic: Mechanism of Evolution |
71%
Level 2: 60%+
NEET - 2022
Hints
Which of the following refers to correct example(s) of organisms that have evolved due to changes in environment brought about by anthropogenic action?
| (a) | Darwin's Finches of Galapagos islands |
| (b) | Herbicide-resistant weeds |
| (c) | Drug-resistant eukaryotes |
| (d) | Man-created breeds of domesticated animals like dogs |
1. (a) and (c)
2. (b), (c) and (d)
3. only (d)
4. only (a)
Subtopic: Darwin's Theory | Concept of Organic Evolution: Evidence |
75%
Level 2: 60%+
NEET - 2020
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In Australia, marsupials and placental mammals have evolved to share many similar characteristics. This type of evolution may be referred to as:
| 1. | Adaptive Radiation | 2. | Divergent Evolution |
| 3. | Cyclical Evolution | 4. | Convergent Evolution |
Subtopic: Theory of Evolution & Lamarckism | Concept of Organic Evolution: Evidence |
65%
Level 2: 60%+
NEET - 2019
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A population of a species invades a new area. Which of the following condition will lead to adaptive radiation?
| 1. | Area with a large number of habitats having very low food supply |
| 2. | Area with a single type of vacant habitat |
| 3. | Area with many types of vacant habitats |
| 4. | Area with many habitats occupied by a large number of species |
Subtopic: Theory of Evolution & Lamarckism | Concept of Organic Evolution: Evidence |
Level 3: 35%-60%
NEET - 2019
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Random unidirectional change in allele frequencies that occur by chance in all populations and especially in small populations is known as:
| 1. | Migration | 2. | Natural selection |
| 3. | Genetic drift | 4. | Mutation |
Subtopic: Hardy Weinberg Law |
77%
Level 2: 60%+
NEET - 2013
Hints
Select the correct group/set of Australian Marsupials exhibiting adaptive radiation.
| 1. | Lemur, Anteater, Wolf |
| 2. | Tasmanian wolf, Bobcat, Marsupial mole |
| 3. | Numbat, Spotted cuscus, Flying phalanger |
| 4. | Mole, Flying squirrel, Tasmanian tiger cat |
Subtopic: Concept of Organic Evolution: Evidence |
62%
Level 2: 60%+
NEET - 2023
Hints
Select the correct match regarding adaptive radiation of Australian marsupials corresponding to placental mammals
| 1. | Numbat-Flying Squirrel | 2. | Tasmanian Wolf - Bobcat |
| 3. | Marsupial mouse- Mole | 4. | Spotted Cuscus - Lemur |
Subtopic: Concept of Organic Evolution: Evidence |
70%
Level 2: 60%+
NEET - 2022
Hints
Which of the following statements is not true?
| 1. | Flippers of penguins and dolphins are a pair of homologous organs. |
| 2. | Analogous structures are a result of convergent evolution. |
| 3. | Sweet potato and potato is an example of analogy. |
| 4. | Homology indicates common ancestry. |
Subtopic: Concept of Organic Evolution: Evidence: 1 |
84%
Level 1: 80%+
NEET - 2022
Hints
Match List-I with List-II:
| List-I | List-II | ||
| (a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropogenic action | (iv) | Darwin Finches |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (ii) | (i) | (iv) |
Subtopic: Palentological Evidences of Evolution | Darwin's Theory | Concept of Organic Evolution: Evidence |
91%
Level 1: 80%+
NEET - 2021
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