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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
Sketch and label 'structure of nephron'.
Write down the functional activity of the following parts,
Glomerulus …………………
Choose the correct answer:
Excess proteins are converted into urea in ____________
Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:
Name the parts numbered 1 to 5.
“Kidneys are the master chemist of the body”. Comment.
Think of the following: Tears, sweat, saliva, milk, Insulin, urine.
What are these excretion or secretion ? Why ?
State the Location:
Kidneys
Multiple Choice Question: Excretion commonly involves
Choose the correct option.
Volume of the urine is regulated by ______.
Circle the odd one.
Malpighian tubules remove excretory products from ______.
Identify the biological term
Removal of unwanted substances from the body.
The glomerular capillaries filter out its contents due to ____________.
The filtration units of kidneys are called ____________.
Name the process and the organ which helps in removing the following wastes from the body.
- Carbon dioxide
- Undigested food
- Urine
- Sweat
Which one of the following statements is INCORRECT?
Structural unit of kidneys are ______.
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.
