MCQ
Maximum growth in roots occurs
- AAt apex
- BIn presence of light
- ✓Behind the apex
- DIn presence of soil
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$I.$ Urine is hypertonic while entering distal convoluted tubule.
$II.$ When the urine moves in the collecting tubule, it becomes hypertonic.
$III. $ Urine is isotonic in proximal convoluted tubule.
$IV.$ Urine becomes more and more hypotonic as it passes through the descending Henle's loop.