Match the following :
Column A :
1) Totipotency
2) Dedifferentiation
3) Explant
4) Differentiation
Column B:
A) Reversion of mature cells into meristerm
B) Biochemical and structural changes of
cells
C) Properties of living cells develops into entire plant
D) Selected plant tissue transferred to culture medium
Match Column I with Column II
Column I : Column II
i) William S. Gaud I) Heterosis
ii) Shull II) Mutation breeding
iii) Cotton Mather III) Green revolution
Statement A: Coffee contains caffeine