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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
Name the basic filtration unit present in the kidney.
What is the name of the tubes which connect the kidneys to bladder?
Write down the functional activity of the following parts,
Renal artery ………………
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Study the diagram given below and then answer the questions that follow:
 |
- Name the region in the kidney where the above structure is present?
- Name the parts labelled 1, 2, 3 and 4.
- Name the stages involved in the formation of urine.
- What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Give Technical Term:
The duct which transports urine from the kidney to the urinary bladder.
Answer the following question.
Birds are uricotelic in nature. Give reason.
The CORRECT match is ______.
Name the following;
Three nitrogenous wastes of our body.
