If the mean of a,b,c is M and ab+bc+ca=0        then the mean of a^2,b^2,c^2 is:

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#Question id: 19033

#Unit 9. Diversity of Life Forms

Microphylls are characteristic of which types of plants? 

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#Question id: 19034

#Unit 13. Methods in Biology

Thin layer chromatography is__________

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#Question id: 19035

#Unit 13. Methods in Biology

In which chromatography stationary phase is more polar than mobile phase?

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#Question id: 19036

#Unit 13. Methods in Biology

Which of the following is used as a spraying reagent in paper chromatography? 

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#Question id: 19037

#Unit 13. Methods in Biology

In gas chromatography, the basis for separation of the components of the volatile material is the difference in________

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#Question id: 19038

#Unit 13. Methods in Biology

In which type of chromatography, the stationary phase is held in a narrow tube and the mobile phase is forced through it under pressure?