Evolutionary force		Caused
A	Mutation	i	Increase genetic variation within population
B	Genetic Drift	ii	Decrease genetic variation within population
C	Migration	iii	Decrease genetic variation between  population
		iv	Increase genetic variation between population

Which of the following combination is correct?

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#Question id: 14730

#Unit 13. Methods in Biology

Mean of 200 observations was found to be 90. However, when the observations were being made, two observations were wrongly taken as 15 and 80 instead of 40 and 87. Then the correct mean is

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#Question id: 418

#Unit 1. Molecules and their Interaction Relevant to Biology

Biological oxidation-reduction reactions always involve:

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#Question id: 1270

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a major extracellular molecule in mammals containing no protein portion?

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#Question id: 30084

#Unit 2. Cellular Organization

Drosophila is considered a model system because it is quite easy to create transgenic lines harboring a variety of different genes. As a Drosophila geneticist, which one of the following is a DNA transposon that you would exploit to create a transgenic line?

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#Question id: 29552

#Unit 6. System Physiology – Plant

There are statement are given regarding the Plant pathogens groups   

a. derive energy from living cells, found on living plant have complex nutrition and do not kill host plants rapidly

b. derive energy from killed cells; they invade and kill plant tissue rapidly and then live saprotrophically on the dead remains

c. initially invading cells that are maintained alive prior to a transition to a necrotrophic life style in which nutrients are obtained from killing host cells

Choose which of the following is correctly defining the groups