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प्रश्न
Choose the correct option.
Which one of the following organisms excrete waste through nephridia?
विकल्प
Cockroach
Earthworm
Crab
Liver Fluke
उत्तर
Earthworm
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संबंधित प्रश्न
The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:
(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female reproductive system.
(iii) What is the role of part 7?
What is the name of the tubes which connect the kidneys to bladder?
What are the methods used by plants to get rid of their waste products?
In summer the urine is slightly thicker than in winter explain the reason.
Choose the correct answer:
The smallest functional unit of the kidney is ____________
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Which structure contains the lowest concentration of urea?
Explain the Term: Ureter
Complete the following sentence with appropriate word:
The U-shaped portion of a nephron located in the medulla region is called ______.
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Choose the odd one out in the following set and write the category for the remaining terms:
