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प्रश्न
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
विकल्प
Polar bear
Flamingo
Frog
Shark
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उत्तर
Flamingo
APPEARS IN
संबंधित प्रश्न
Bile, Urea, Uric acid, Ammonia
Explain Selective reabsorption
Where is the dirty blood in our body filtered?
Describe the mechanism of urine formation in human excretory system. Draw a labelled diagram to illustrate your answer.
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
Choose the odd one out in the following series:
Proximal convoluted duct, loop of Henle, vein.
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Where is most water reabsorbed ?
Choose the Odd One Out:
The mode of excretion of nitrogenous wastes like ammonia which takes place by simple diffusion is called ______.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
