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Question

After the demonstration of totipotency, a botanist wishes to produce identical plants from an angiosperm by tissue culture. The parts of tissues, which are used in tissues culture are


A
Stem apices
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B
Roots tips
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C
Tissues from phloem
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D
Anthers
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Solution

The correct option is B Tissues from phloem
Totipotency- when plant contains all the genes and his ability to grow from a cell to full plant F. C. Steward and his colleagues at Cornell University of USA, devised a method for growing carrot tissue by excising small disc, from the sec­ondary phloem region of carrot root and placing them in a moving liquid medium under aseptic conditions. In presence of coconut milk in the medium, the phloem tissue began to the grow actively.

So, the correct answer is 'Tissues from phloem'.

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