12
ICAR JRF Seed Science And Technology 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1
Cryotherapy is used for the elimination of viruses in
  • Cryotherapy of Shoot Meristems:
  • modern biotechnology where shoot tips are exposed to ultra-low liquid nitrogen temperatures ($-196^\circ\text{C}$).
  • Highly vacuolated, virus-infected differentiated cells in the lower meristem dome are selectively destroyed by intracellular ice crystallization, while small, uninfected, dense meristematic dome cells survive.
  • Successfully deployed to eliminate Banana Streak Virus (BSV) and Cucumber Mosaic Virus (CMV) from banana shoot tips. (Correct answer: Option 1)
Explanation not matching this question? क्या व्याख्या इस प्रश्न से मेल नहीं खा रही? Report
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