The given diagram 1 represents a healthy numan nephron.In contrast to filtrate at point X, the filtrate at point Y has

Explanation

The correct answer is Option A:lesser salt concentration As the filtrate passes through the nephron, particularly from the glomerulus to the distal tubule, various substances are reabsorbed, including salts. This reabsorption process reduces the salt concentration in the filtrate by the time it reaches point Y. Option B is incorrect because red blood cells are not part of the nephron filtrate; they remain in the circulatory system. Option C is incorrect because plasma proteins are typically too large to pass through the glomerular filtration barrier. Option D is incorrect because glucose is actively reabsorbed in the proximal tubule and does not accumulate in the filtrate at later stages.