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

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

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

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12th Standard English Medium Biology (Zoology) Subject Organisms and Population Creative 3 Mark Questions with Solution Part - I updated Creative Questions

Published on: 13/05/2022

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 3

5 x 3 = 15

People leaving in high altitudes show increased RBC count. Give reason.

What are the four ways through which the living organisms respond to abiotic factor?

What is photokinesis?

What is phototaxis?

Draw a sketch to show J and S shaped growth form of a population.

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Answers Key:

Generic 3

5 x 3 = 15

Higher the altitude, lower the atmospheric oxygen. Hence to compensate the oxygen demand they adapt themselves showing enhanced RBC count in the blood.

Regulate, Conform, Migrate and Suspend

A change in the speed of locomotion (or frequency of turning) in a motile organism or cell which is made in response to a change in light intensity is called photokinesis. It involves undirected random movement in response to light.

The movement of organism in response to light, either towards the source of light as in Moths (positive phototaxis) or away from light (Earthworm (negative phototaxis).