During the action potential, Na⁺ channels rapidly enter a closed state called as:

TLS Online TPP Program

#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

TLS Online TPP Program

#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;

TLS Online TPP Program

#Question id: 15875

#Unit 12. Applied Biology

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

TLS Online TPP Program

#Question id: 15876

#Unit 12. Applied Biology

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