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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

12th Standard English Medium Biology (Zoology) Subject Organisms and Population Creative 2 Mark Questions with Solution Part - I

Published on: 21/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 12 Biology Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

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Std: 12th Standard - Biology

chapter: - Creative Questions

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Questions:

Generic 2

5 x 2 = 10

How natality and mortality can be calculated?

What are the attributes of population?

Fishes are said to be conformers - Justify.

Name the physiological adaptations seen in animals.

State Allen's rule.

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Answers Key:

Generic 2

5 x 2 = 10

Birth rate (b) = \(\frac { number\ of\ births\ per\ unit\ time }{ average\ population } \)
Death rate (d) = \(\frac { number\ of\ deaths\ per\ unit\ time }{ average\ population } \)

Population density, Natality, Mortality, Age distribution, dispersion (immigration and emigration).

In fishes, the osmotic concentration of the body fluids changes with that of surrounding water osmotic concentration. Hence they are called conformers.

Hibernation and aestivation

Warm blooded animals, living in colder climates, tend to have shorter limbs, ears and other appendages when compared to the members of the same species in warmer climates.