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प्रश्न
The diagram given below is that of a structure present in a human kidney.
Study the same and answer the questions that follow:
1) Name the structure represented in the diagram
2) What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule.
3) What is the fluid that comes to part ‘2’ called?
Name the main nitrogenous waste in it.
4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above
5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.
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उत्तर
1) Nephron
2)
- Glomerular filterate
- Glucose and Amino acids
3)
- Urine
- Urea
4) The 3 steps are
- Ultrafiltration
- Selective Reabsorption
- Tubular secretion
5) Glucose
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संबंधित प्रश्न
What gaseous waste products are excreted by plants?
Where is urine carried through ureters?
The substance which is not reabsorbed into the blood capillaries surrounding the tuble of a nephron is mainly:
(a) glucose
(b) amino acid
(c) urea
(d) water
Answer the following in short.
What is excretion?
Look at the figure given bellow, it is a section of human kidney as seen from the front.
Is it a longitudinal section or a cross-section?
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Why does the cortex of the kidney show a dotted appearance?
Study the diagram given alongside and then answer the question that follow:
What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Complete the following sentence with appropriate word:
The sum total of all the chemical reactions taking place in the cell is known as ______.
Choose the correct option.
Which one of the following organisms excrete waste through nephridia?
Give reason:
Excretion is a necessary process of our body.
