MCQ
Which cation from following does $ \text{NOT}$ form colourless compound? $($Atomic number $- Cu = 29, Ti = 22, Zn = 30, Sc = 21)$
- A$Zn^{2+}$
- B$Cu^{1+}$
- C$Sc^{3+}$
- ✓$Ti^{3+}$
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| Column 'A' | Column 'B' | ||
| i. | Callus | a. | Breeding crops for improving their nutritional value. |
| ii. | Morphogenesis | b. | DNA molecules carrying the desired gene. |
| iii. | Biofortification | c. | Unorganized mass of loosely arranged parenchymatous cells. |
| iv. | Vectors | d. | Development of different plant organs from callus. |