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प्रश्न
Name a waste gas released by the plants only during the daytime.
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उत्तर
Oxygen is released only during the daytime. This is because oxygen is produced by photosynthesis only in the presence of sunlight.
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संबंधित प्रश्न
The kidneys in human beings are a part of the system for ______.
The Biological/technical term for The removal of nitrogenous wastes from the body
If a patient is out on dialysis, he is most likely suffering from a severe ailment of the:
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system
Differentiate between
tannins and resins
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
Skin, liver, lungs, kidneys, excretion.
Differentiate between the following pairs of terms:
Bowman’s capsule and malpighian capsule.
Define the following term:
Osmoregulation
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Name the Following
The division of the kidney which is light in colour and subdivided into conical renal pyramids.
Complete the following sentence with appropriate word:
______ is the functional unit of kidney.
Choose the correct option.
The part of nephron which absorbs glucose and amino acid is ______.
Among the following animals, the best conserver of water is ______.
What would happen if green plants disappeared from earth?
Name the organs that store and release the urine.
Name the following:
The main nitrogenous waste formed in the body.
Give two examples of the following:
Nitrogenous waste
The main nitrogenous waste formed in the human body:
