Which of the following occurred first during the separation of the elements of Pangaea through continental drift? 

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#Question id: 15869

#Unit 12. Applied Biology

In a modest laboratory, aseptic handling, maintenance and observation of cultures, these activities can be done in the culture room.  Some facilities are required for the culture room, except?

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#Question id: 15870

#Unit 12. Applied Biology

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

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#Question id: 15871

#Unit 12. Applied Biology

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

#Unit 12. Applied Biology

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

TLS Online TPP Program

#Question id: 15873

#Unit 12. Applied Biology

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

TLS Online TPP Program

#Question id: 15874

#Unit 12. Applied Biology

Callus culture show numerical chromosomal changes such as;