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प्रश्न
Complete the following sentence with appropriate word:
The sum total of all the chemical reactions taking place in the cell is known as ______.
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उत्तर
The sum total of all the chemical reactions taking place in the cell is known as Metabolism.
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संबंधित प्रश्न
Describe the structure of nephrons.
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions:
(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.
In summer the urine is slightly thicker than in winter explain the reason.
Study the diagram given alongside and then answer the question that follow:
What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
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?
Complete the following sentence with appropriate word:
______ is the functional unit of kidney.
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Hypotonic filtrate is formed in _______.
Name the organs that store and release the urine.
