Following statements are regarding the goals of gap phases.

(i) to prepare for the next phase of the cell cycle.

(ii) to check that the previous phase of the cell cycle has been completed appropriately.

(iii) to inhibits CDKs activity.

(iv) to enhance servillance mechanisms.

Which of the following is correct?

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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;

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#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;

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#Question id: 15875

#Section 6: Plant, Animal and Microbial Biotechnology

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

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#Question id: 15876

#Section 6: Plant, Animal and Microbial Biotechnology

The following growth regulators (GRs)- auxins, cytokinins, ABA and GA3 are used in plant tissue culture, The common range of concentrations used are as follows:

GROWTH REGULATOR(GRs)                                     CONCENTERATION

A) AUXIN                                                                       i) 0.1-3 mg/L

B) GA3                                                                          ii) 0.2 mg/L

C) CYTOKININ                                                           iii) 0.1-1 mg/L

D) ABA

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#Question id: 15877

#Section 6: Plant, Animal and Microbial Biotechnology

Zinc as micronutrient is used in culture media for____