Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?

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#Question id: 15561

#Section 6: Plant, Animal and Microbial Biotechnology

Which mechanism is helpful in secondary metabolite production

1. ppGpp secretion

2. Autoinducer

3. Nutrient limitation

4. Senescence genes

Which combination is incorrect  from the following.

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#Question id: 15562

#Section 6: Plant, Animal and Microbial Biotechnology

Deletion of which gene not only was accompanied by the abolition of antibiotic formation but also severely impaired growth on agar media.

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#Question id: 15563

#Section 5: Bioprocess Engineering and Process Biotechnology

How long will it take for the initial concentration of A to fall from 0.20 M to 0.075, if the rate constant for a reaction of zero-order in A is 0.035 mol L^–1 s^–1.

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#Question id: 15564

#Section 5: Bioprocess Engineering and Process Biotechnology

A substrate is consumed in a zero order reaction such that the concentration falls from 40 g/l to 20 g/l in 4 h. How long will it take the substrate to fall from 20 g/l to 2 g/l:

TLS Online TPP Program

#Question id: 15565

#Section 5: Bioprocess Engineering and Process Biotechnology

 In a first order reaction A→B. The plot is a straight line

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#Question id: 15566

#Section 5: Bioprocess Engineering and Process Biotechnology

Rate constant k for a first order reaction has been found to be 2.54 × 10^-3 sec^-1. Calculate its 3/4th life, (log 4 = 0.6020).