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प्रश्न
Ascending limb of Henle’s loop is ______ to water, whereas the descending limb is ______to it.
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उत्तर
Ascending limb of Henle’s loop is impermeable to water, whereas the descending limb is permeable to it.
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संबंधित प्रश्न
Sketch and label ‘L.S. of human kidney’
Match the items of column I with those of column II:
| Column I | Column II | ||
| (a) | Ammonotelism | (i) | Birds |
| (b) | Bowman’s capsule | (ii) | Bowman’s capsule |
| (c) | Micturition | (iii) | Bony fish |
| (d) | Uricotelism | (iv) | Urinary bladder |
| (e) | ADH | (v) | Renal tubule |
Fill in the blank.
Urine contains .................... and ................. as nitrogenous waste.
Find the odd one out. Give a reason for your choice.
skin, heart, lung, liver, kidney
Find the odd one out. Give a reason for your choice.
tannin, urine, latex, resin
One of Harry’s organs is not functioning properly. There is extra fluid build up in his body causing swelling in his ankles and feet.
What should Harry do? Tick the correct answer.
Which of Harry’s organs is not working properly?
Write about the excretory role of the lungs.
Name the Following
The product which is excreted by the liver.
Which one of the following substance is not a constituent of sweat?
Differentiate protonephridia from metanephridia.
Identify the CORRECT statement with respect to blood vessels associated with the kidney.
Identify the labels (a, b, c, d) in the given diagram of the Malpighian corpuscle and choose the correct option.
The glomerular capillaries filter out its contents due to ____________.
The left side of the heart receives oxygenated blood from ______.
The kidneys are made up of millions of excretory units called ______.
The filtration units of kidneys are called
Arrange the following statements in the correct order in which they occur during the formation and removal of urine in human beings.
- Ureters carry urine to the urinary bladder.
- Wastes dissolved in water are filtered out as urine in the kidneys.
- Urine stored in the urinary bladder is passed out through the urinary opening at the end of the urethra.
- Blood containing useful and harmful substances reaches the kidneys for filtration.
- Useful substances are absorbed back into the blood.
We can produce a concentrated/ dilute urine. This is facilitated by a special mechanism. Identify the mechanism.
The inner visceral layer of glomerular capsule composed of specialised cells called ______.
Role of water vascular system in Echinoderms is:
- Respiration and Locomotion
- Excretion and Locomotion
- Capture and transport of food
- Digestion and Respiration
- Digestion and Excretion
Choose the correct answer from the options given below:
