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प्रश्न
Differentiate protonephridia from metanephridia.
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
Name the following:
Cortical portions projecting between the medullary pyramids in the human kidney.
Tick the most appropriate answer.
Transpiration is affected by
The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow :
Identify the system
The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow :
Label the parts marked 2 and 4. Mention the function of part 5.
Choose the odd one out in the following series:
Kidney, ureter, heart
Why urine is acidic while blood is alkaline?
Name the Following
Major excretory organs of man.
Name the Following
Thin membranous sac serving as the reservoir of urine.
Complete the following sentence with appropriate word:
The duct which transports urine from kidney to urinary bladder is ______.
Complete the following sentence with appropriate words:
Sweat formed in the sweat glands passes into the sweat duct which opens to the outside at the surface of the skin by means of ______.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A diuretic increases the amount of urine.
Multiple Choice Question: What is the chief nitrogenous waste in mammals?
The collective name given to a cup like structure containing a tuft of capillaries.
Urethra is a passage from which urine is ____________.
______ gland is located above the kidney.
Kidneys are reddish brown and
Show the structure of a renal corpuscle with the help of a diagram.
The maximum amount of electrolytes and water (70-80%) from the glomerular filtrate is reabsorbed in which part of the nephron.
Which blood vessel has largest amount of urea?
Name the following:
The tube arising from the notch of the kidney on the median side and connecting behind with the urinary bladder.
