MCQ
Which of the feature is not present in amphibia?
- ✓Scales are present
- BMost of them have two pairs of limbs for locomotion
- CEyes have eyelids
- DOrganisms are cold-blooded
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$I.$ The medulla is connected to the spinal cord
$II.$ Medulla contains controlling centres for respiration, cardiovascular reflexes and gastric secretion
$III.$ Cerebellum has very convoluted surface in order to provide the additional space for more neurons
Statement $I$: In the nephron, the descending limb of loop of Henle is impermeable to water and permeable to electrolytes.
Statement $II$ : The proximal convoluted tubule is lined by simple columnar brush border epithelium and increases the surface area for reabsorption.
In the light of the above statements, choose the correct answer from the option given below :