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Q. No.Among the human ancestors the brain size was more than 1000 CC in:
1. Homo neaderthalensis
2. Homo erectus
3. Ramapithecus
4. Homo habilis
Subtopic: Evolution Prior to Ape Man: 1 | Evolution Prior to Ape Man |
82%
From NCERT
AIPMT - 2007
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The concept of chemical evolution is based on:
| 1. | crystallization of chemicals |
| 2. | interaction of water, air, and clay under intense heat |
| 3. | effect of solar radiation on chemicals |
| 4. | possible origin of life by a combination of chemicals under suitable environmental conditions |
Subtopic: Origin of Life: Chemical Evolution: 1 | Origin of Life: Chemical Evolution: 2 | Origin of Life |
89%
From NCERT
AIPMT - 2007
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Industrial melanism as observed in peppered moths proves that:
| 1. | The true black melanic forms arise from a recurring natural selection |
| 2. | The melanic form of the moth has no selective advantage over the lighter form in an industrial area |
| 3. | The lighter-form moth has no selective advantage either in polluted industrial areas or non-polluted areas |
| 4. | Melanism is a pollution-generated feature |
Subtopic: Natural Selection |
64%
From NCERT
AIPMT - 2007
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Which one of the following pair of items correctly belongs to the category of organs mentioned against it?
| 1. | Thorn of Bougainvillea and tendrils of Cucurbita – Analogous organs |
| 2. | Nictitating membrane and blind spot in the human eye – vestigial organs |
| 3. | Nephridia of the earthworm and Malpighian tubules of cockroach - Excretory organs |
| 4. | Wings of a honey bee and wings of crow - Homologous organs |
Subtopic: Definition & Types of Evolution | Theory of Evolution & Lamarckism |
66%
From NCERT
AIPMT - 2008
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Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?
| 1. | They could separate combinations of molecules from the surroundings |
| 2. | They were able to reproduce |
| 3. | They were partially isolated from the surroundings |
| 4. | They could maintain an internal environment |
Subtopic: Origin of Life: Chemical Evolution: 1 | Origin of Life: Chemical Evolution: 2 | Origin of Life |
AIPMT - 2008
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Select the correct statement from the following:
| 1. | Darwin variations are small and directionless |
| 2. | fitness is the end result of the ability to adapt and gets selected by nature |
| 3. | all mammals except whales and have seven cervical vertebrae |
| 4. | Mutations are random and directional |
Subtopic: Darwin's Theory | Summary of Darwin's Theory |
78%
From NCERT
AIPMT - 2007
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The finches of the Galapagos islands provide evidence in favour of:
1. special creation
2. evolution due to mutation
3. retrogressive evolution
4. biogeographical evolution
Subtopic: Darwin's Theory | Summary of Darwin's Theory |
84%
From NCERT
AIPMT - 2007
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Which one of the following statements is correct?
| 1. | Stem cells are specialized |
| 2. | There is no evidence of the existence of gills during embryogenesis of mammals |
| 3. | All plant and animal cells are totipotent |
| 4. | Ontogeny repeats phylogeny |
Subtopic: Embryological Evidence of Evolution |
59%
AIPMT - 2007
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What is common to whales, seals, and sharks?
1. Seasonal migration
2. Thick subcutaneous fat
3. Convergent evolution
4. Homeothermy
Subtopic: Definition & Types of Evolution |
56%
AIPMT - 2007
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Adaptive radiation refers to:
| 1. | adaptations due to geographical isolation |
| 2. | evolution of different species from a common ancestor |
| 3. | migration of members of a species to different geographical areas |
| 4. | power of adaptation in an individual to a variety of environments |
Subtopic: Theory of Evolution & Lamarckism |
From NCERT
AIPMT - 2007
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