If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur:

1. a normal distribution

2. a bi-modal distribution

3. a T-shaped curve

4. a skewed curve

Subtopic:  Population Dynamic |
 50%
Level 3: 35%-60%
AIPMT - 2007
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When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:
1. divergent evolution
2. microevolution
3. co-evolution
4. convergent evolution

Subtopic:  Definition & Types of Evolution |
 81%
Level 1: 80%+
AIPMT - 2007
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Which one of the following is a fat-soluble vitamin and its related deficiency disease?

1. Ascorbic acid - Scurvy
2. Retinol - Xerophthalmia
3. Cobalamine - Beri-Beri
4. Calciferol - Pellagra

Subtopic:  Enzyme Cofactors |
 58%
Level 3: 35%-60%
AIPMT - 2007
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ICBN stands for:

1. Indian Congress of Biological Names
2. International Code of Botanical Nomenclature
3. Indian Code of Botanical Nomenclature
4. International Congress of Biological Names
Subtopic:  Taxonomy 1: Nomenclature |
 92%
Level 1: 80%+
AIPMT - 2007
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If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?

1. Types of pigments present in the cell
2. Nature of stored food materials in the cell
3. Structural organisation of thallus
4. Chemical compositions of the cell wall
Subtopic:  Algae |
 73%
Level 2: 60%+
AIPMT - 2007
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A plant requires magnesium for:

1. holding cells together

2. protein synthesis

3. chlorophyll synthesis

4. cell wall development

Subtopic:  Mineral Function |
 83%
Level 1: 80%+
AIPMT - 2007
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The overall goal of glycolysis, the Krebs cycle, and the electron transport system is the formation of:

1. ATP in small stepwise units.

2. ATP in one large oxidation reaction

3. Sugars

4. Nucleic acids

Subtopic:  Glycolysis | Kreb's Cycle | ETS:1 | ETS |
 82%
Level 1: 80%+
AIPMT - 2007
Hints

A high density of elephant population in an area can result in:

1. mutualism

2. Intraspecific competition

3. Interspecific completion

4. Predation on one another

Subtopic:  Population Interactions: Competition |
 66%
Level 2: 60%+
AIPMT - 2007
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A drop of each of the following is placed separately on four slides. Which of them will not coagulate?
 

1. blood plasma
2. blood serum
3. Sample from the thoracic duct of the lymphatic system
4. Whole blood from the pulmonary vein

Subtopic:  Blood: Blood Clotting |
 82%
Level 1: 80%+
AIPMT - 2007
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For a critical study of secondary growth in plants, which one of the following pairs is suitable:

1. Sugarcane and sunflower

2. Teak and pine

3. Deodar and Fern

4. Wheat and maidenhair fern

 55%
Level 3: 35%-60%
AIPMT - 2007
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