Short Answer Type

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What is Biotic Potential ? 


Biotic potential is the ability of a population of living species to increase under ideal environmental conditions – sufficient food supply, no predators, and a lack of disease. An organism's rate of reproduction and the size of each litter are the primary determining factors for biotic potential

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Long Answer Type

Describe the saltatory conduction of nerve impulses. 
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Define growth. Give an account of the growth curve in plants. 
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Short Answer Type

What is Prosthesis ? 
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Give an account of Darwin’s finches. 
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Differentiate between Apes and Man with respect to the following characteristics : 

(i) Posture    (ii) Cranium

(iii) Brow ridges    (iv) Locomotion

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Give the disadvantages of pesticides.
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Long Answer Type

Give a schematic representation of the Hatch-Slack (C4) cycle. 
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Short Answer Type

Explain 

(i) Coacervates

(ii) Geological Time Scale.

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What are the main objectives of plant breeding ?
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