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प्रश्न
Differentiate between
excretion and transpiration
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उत्तर
| Excretion | Transpiration | ||
| 1 | It is the process of removing or getting rid of waste matter from the body. | 1 | It is the process of losing excess water from aerial plant parts in the form of water vapour. |
| 2 | Excretion rate is independent of the time of the day. | 2 | The rate of transpiration is more during the day. |
| 3 | All living beings have special organs called excretory organs to get rid of their harmful wastes. | 3 | Plants lose water through stomata and lenticels. |
| 4 | It occurs both in plants and animals. | 4 | It occurs only in plants. |
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संबंधित प्रश्न
The kidneys in human beings are a part of the system for ______.
The nephrons discharge their urine at ______.
Where is urine carried through ureters?
Why is excretion necessary in living beings?
Differentiate between the following pairs of term :
Renal pelvis and renal papilla
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:
Which structure contains the highest concentration of urea?
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 ?
Study the diagram given alongside and then answer the question that follow:
Name the parts labelled 1, 2, 3, and 4.
Given below is a simple diagram of the human kidney cut open longitudinally. Answer the following questions:
c
(v) Write two differences in the composition of the blood flowing through blood vessels A and B.
Write the functional activity of the following structure: Renal vein
