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

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12th Standard

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 Evolution Creative 2 Mark Questions with Solution Part - II

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

Write a brief note on Homo sapiens with respect to evolution.

Point out the factors that alters allelic frequency of a population.

Name any four Neo - Darwinists.

Name the principle minerals involved in petrifaction

Compare relative dating with absolute dating

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Answers Key:

Generic 2

5 x 2 = 10

Homo sapiens or modem human arose in Africa some 25,000 years ago and moved to other continents and developed into distinct races. They had a brain capacity of 1300 - 1600 cc. They started cultivating crops and domesticating animals.

Natural selection, Genetic drift, Mutation, and Geneflow

Gregor Mendel, August Weismann, Russel Wallace and Heinrich.

Iron pyrites, silica, calcium carbonate and bicarbonates of calcium and magnesium

Relative dating is used to determine a fossil by comparing it to similar rocks and fossils of known age. Absolute dating is used to determine the precise age of a fossil by using radiometric dating to measure the decay of isotopes.