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प्रश्न
Differentiate protonephridia from metanephridia.
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उत्तर
| Sr. No. | Protonephridia | Metanephridia |
| 1. | Primitive kidneys are protonephridia | Tubular excretory structures are |
| 2. | These are found in flatworms. | These are found in annelids and molluscs |
संबंधित प्रश्न
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The act of passing urine.
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| Column I | Column II | ||
| (a) | Loop of Henle | (i) | Ultrafiltration |
| (b) | Proximal convoluted tubule | (ii) | Secretion of hydrogen ions |
| (c) | Distal convoluted tubule | (iii) | Reabsorption of glucose |
| (d) | Bowman's capsule | (iv) | Concentration of urine |
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The bunch of capillaries inside the Bowman’s capsule.
Match Column I with Column II.
| Column I | Column II |
| A. PCT | (i) Concentrated urine formation |
| B. DCT | (ii) Filtration of blood |
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| D. Counter current mechanism | (iv) Ionic balance |
| E. Renal corpuscle | (v) Maintenance of concentration gradient in medulla |
Select the correct option from the codes given below.
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Choose the odd one out in the following set and write the category for the remaining terms:
