The mechanism of uric acid excretion in nephron is
1). Diffusion
2). Ultra filtration
3). Osmosis
4). Secretion
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2. Which of the following is the lightest metal?
3. Density of milk is 1.03 g/cm3 and density of water is 1 g/cm3. Find the relative density of milk.
7. What are the major pollutants of cigarette smoke?
8. Silver halides are used in photographic plates because they are
9. The acid present in red ants is
10. Which one of the following pairs is NOT correctly matched?