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प्रश्न
Differentiate between
tannins and resins
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उत्तर
| Tannins | Resins | ||
| 1 | These are a group of complex compounds found in the bark and leaves. | 1 | These are the secretions of many plants like coniferous trees. |
| 2 | Its presence in tea leaves makes tea taste bitter. | 2 | It is used in the production of varnishes and adhesives and perfumes and incense. |
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संबंधित प्रश्न
A dialysis machine contains long tubes coiled in a tank containing dialysing solution:
Of what substance are the tubes made?
Draw a neat labelled diagram of the human excretory system.
Explain in your own words with suitable examples.
How does excretion occur in human beings?
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
Name the following:
Functional unit of kidney.
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:
Where is most water reabsorbed ?
Differentiate between:
Ureter and Urethra.
Choose the Odd One Out:
Answer the following question.
State the role of liver in urea production.
The process of removal of unwanted metabolic wastes from the body is called ______.
