MCQ
Water logging of soil makes it physiologically dry because:
- AThis condition does not allow the capillary force to work.
- BBoth.
- ✓This condition does not allow oxygen to enter the soil.
- DNone of the above.
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| Column $I$ | Column $II$ | ||
| $A.$ | Duodenum. | $i.$ | A cartilaginous flap. |
| $B.$ | Epiglottis. | $ii.$ | Small blind sac. |
| $C.$ | Glottis. | $iii.$ | $‘U’$ shaped structure emerging from the stomach. |
| $D.$ | Caecum. | $iv.$ | Opening of wind pipe. |