TLS Online TPP Program
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TLS Online TPP Program
#Question id: 38735
#Plant Biotechnology
Q. With reference to feeder layer technique in protoplast culture:
1. Feeder cells provide diffusible growth factors.
2. It compensates for the absence of cell-to-cell signaling.
3. Feeder cells directly fuse with protoplasts.
4. It increases plating efficiency of isolated protoplasts.
Which statements are correct?
TLS Online TPP Program
#Question id: 38736
#Plant Biotechnology
Q. Regarding callus formation from protoplasts:
1. Callus formation requires prior regeneration of the cell wall.
2. Callus cells are genetically identical to the donor plant.
3. Callus represents a dedifferentiated state.
4. High auxin concentration promotes callus induction.
Which statements are correct?
TLS Online TPP Program
#Question id: 38739
#Plant Biotechnology
Q. Which of the following pairs is INCORRECTLY matched?
TLS Online TPP Program
#Question id: 38740
#Plant Biotechnology
Q. Identify the correctly matched set used commonly for plant protoplast isolation:
TLS Online TPP Program
#Question id: 38741
#Plant Biotechnology
Q. Which enzyme combination is MOST appropriate for complete degradation of primary plant cell wall during protoplast isolation?
TLS Online TPP Program
#Question id: 38742
#Plant Biotechnology
Q: Which of the following combinations of statements is entirely CORRECT?
I. Cell wall components include cellulose, hemicellulose, and pectin.
II. The optimal temperature range for isolation is 25-30°C.
III. Barley aleurone cells are treated with Zymolyase to form sphaeroplasts.
IV. The one-step method involves using an enzyme mixture together simultaneously.