Question
Sketch and label four types of chromosomal aberrations
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| Column A | Column B |
| (A) Autosomal disorder | —————– |
| (B) Sex chromosomal disorder | —————– |
| (C) Mendelian disorder | —————– |

Complete the table.
| Event | Physical process |
| 1. Soaking of Seeds | —————- |
| 2. Water entering guard cells | —————- |
| 3. Exchange of gases | ————— |
| 4. Loss of water in liquid form | ————— |
| 5. Water coming out through earthen pot | ————— |
| 6. Loss of water in vapour form | ————— |
| 7. Absorption of solutes passively by carrier | ————— |
| 8. Spreading of fragrance of incense stick | ————— |
| Trophic levels | Type of organisms | Status | Example |
| …………….…. | …………………….. | Secondary consumer | …………………….. |
| ……………..… | Herbivore, Heterotrophs | …………………….. | ……………………. |
| ……………..… | Autotrophs | ……………………. | Phytoplankton, grass, trees |
