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प्रश्न
Draw a neat labelled diagram of the human excretory system.
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उत्तर
Diagram of the human excretory system:
APPEARS IN
संबंधित प्रश्न
Match structures given in Column I with functions given in Column II.
| Column I | Column II | ||
| (i) | Stomata | (a) | Absorption of water |
| (ii) | Xylem | (b) | Transpiration |
| (iii) | Root hairs | (c) | Transport of food |
| (iv) | Phloem | (d) | Transport of water |
| (e) | Synthesis of carbohydrates |
Draw the well-labelled diagram of the human excretory system
Where is the dirty blood in our body filtered?
Name the two parts of a plant through which its gaseous waste products are released into the air.
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
What does the dialysing solution contain?
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Urine is devoid of blood cells.
Define the following term:
Micturition
Define the following term :
Renal pelvis
Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.
 |
- Define excretion.
- Why does the cortex of the kidney show a dotted appearance?
- Why does the medulla of the kidney show a striped appearance?
- Write two differences in the composition of the blood flowing through the blood vessels 'A' and 'B'.
Explain in your own words with suitable examples.
How is excretion in plants useful to human beings?
Give Technical Term:
The duct which transports urine from the kidney to the urinary bladder.
Complete the following sentence with appropriate word:
The knot of blood vessel inside the Bowman’s capsule is ______.
Write the functional activity of the following structure: Nephron
Write the functional activity of the following structure: Aldosterone
Choose the Odd One Out:
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
Give reason:
Excretion is a necessary process of our body.
Salt excreting glands are found near ______ in marine birds like Albatross.
