List of top Plant Biotechnology Questions on Biochemistry asked in CUET (PG)

Select the correct sequence of steps involved in the isolation of protoplasts from the mesophyll cells of a plant leaf:
A. Culture of protoplast suspension
B. Infiltration of the enzyme into the leaf tissue
C. Incubate leaf pieces in filter-sterilized enzyme solution
D. Release of mesophyll protoplasts in solution
Choose the correct answer from the options given below:

Which of the following is used for the visual assessment of percentage viability of protoplasts?

For the production of mulberry triploid plants
A. Wash the roots of plants and transfer them to small pots
B. Culture on MS medium containing BAP and NAA
C. Seed surface sterilization
D. Excision of endosperm
Choose the correct answer from the options given below:

Which of the following phytohormone is a derivative of adenine?
A. BAP
B. ABA
C. NAA
D. TDZ
Choose the correct answer from the options given below:

__________ Molecules of ATP are required to fix one molecule of nitrogen (N2) to 2NH3.

Important enzymes involved in nitrogen fixation are -

In biological nitrogen fixation conversion of dinitrogen molecule into ammonia is carried out by enzyme.

Which of the following elements play key role in nitrogen fixation?