The molar ratio of sodium acetate to acetic acid in a buffer solution with a pH OF 5.76 is 10:1. Assuming the total buffer concentration is 2.2 X 10^-2 mol/L, how many grams of sodium acetate (m.w. 82) and how many grams of acetic acid (m.w. 60) should be used in preparing a litre of the solution?

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#Question id: 15870

#Section 6: Plant, Animal and Microbial Biotechnology

 What is the advantage of plant tissue culture over animal tissue culture?

TLS Online TPP Program

#Question id: 15871

#Section 6: Plant, Animal and Microbial Biotechnology

Various sterilization techniques used in plant tissue culture work;

Sterilization technique	Materials sterilized
A) Dry heat	i) Media, culture vessels, other glass plasticwarc, contaminated cultures
B) Autoclaving	ii) Heat labile compounds like GA3, ABA, zeatin, urea,·enzymes, etc.
C) Surface sterilization	iii) Empty glassware, instruments like scalpels, forceps, needles
D) Liquid (membrane filter of         0.45 μm or smaller pore size)	iv) All plant materials to be cultured

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#Question id: 15872

#Section 6: Plant, Animal and Microbial Biotechnology

For optimum callus growth, the given some following vitamins are required, except;

TLS Online TPP Program

#Question id: 15873

#Section 6: Plant, Animal and Microbial Biotechnology

Which is the most commonly used carbon source, for all cultured plant materials, including even green shoots.

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#Question id: 15874

#Section 6: Plant, Animal and Microbial Biotechnology

Callus culture show numerical chromosomal changes such as;

TLS Online TPP Program

#Question id: 15875

#Section 6: Plant, Animal and Microbial Biotechnology

Suspension cultures show both numerical and structural chromosomal changes such as;