Question
Sketch and label four types of chromosomal aberrations
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| Column A | Column B (Symptoms observed) |
| (1) Deficiency of Cu | (a) Malformed leaves |
| (2) Deficiency of Bo | (b) Leaves with yellow edges |
| (3) Deficiency of Zn | (c) Brown heart disease |
| (4) Deficiency of K | (d) Die back of shoot |
| Valves in heart | Location |
| (1) Bicuspid/Mitral valve | (a) Opening of inferior vena cava |
| (2) Tricuspid valve | (b) Opening of coronary sinus |
| (3) Eustachian valve | (c) Left atrioventricular aperture |
| (4) Thebesian valve | (d) Right atrioventricular aperture |
