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CBSE Class 12-science Answered

Scientists have succeeded in recovering healthy sugarcane plants from a diseased one. (a) Name the part of the plant used as explants by scientists. (b) Describe the procedure which scientists follow to recover healthy plants. (c) Name the technology used for crop improvement.          
Asked by Topperlearning User | 12 Jun, 2014, 11:10: AM
answered-by-expert Expert Answer

(a) The stem of Saccharum barberi and Saccharum officinarum is used as explants by scientists.

(b) Under aseptic conditions, the explant is grown in a nutrient medium. The tissue proliferates to form undifferentiated mass. This mass is transferred to a medium containing growth hormones.

(c) The technology used for crop improvement is plant breeding. 

Answered by | 12 Jun, 2014, 01:10: PM

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