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प्रश्न
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
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उत्तर
Aquatic species breathe more quicker than terrestrial organisms because oxygen supply in water is lower than on land, hence aquatic organisms must work harder to collect the oxygen they require.
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संबंधित प्रश्न
The diagram given alongside shows a section of a human kidney. Study the diagram carefully and answer the questions that follow:
- Label the parts numbered 1 to 4.
- Why does part 2 have a striped appearance?
- What is the fluid that passes down part 4? Name the main nitrogenous waste present in it.
- Mention the structural and functional units of kidneys.
- Name the two major steps in the formation of the fluid mentioned in (c).
Name the two parts of a plant through which its gaseous waste products are released into the air.
What is the role of glomerulus in the kidney?
Answer the following in short.
What is excretion?
Name the following:
The vein in which urea concentration is maximum
Write down the functional activity of the following parts,
Renal artery ………………
Choose the correct answer:
What happens if one kidney is removed from the body of human being?
Choose the odd one out in the following series:
Proximal convoluted duct, loop of Henle, vein.
Differentiate between:
Renal cortex and Renal medulla.
Differentiate between:
Ureter and Urethra.
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.
Give Technical Term:
The organ which filters out urea and uric acid from the bloodstream.
Complete the following sentence with appropriate word:
______ supplies blood to kidney.
Write the functional activity of the following structure: Aldosterone
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Choose the correct option.
Deproteinised plasma is not found in ______.
The habitat of animals that excrete nitrogenous waste in the form of urea.
When uric acid is produced in excess, it gets deposited in joints, resulting in ____________.
