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प्रश्न
Answer the following question.
Name any one guanotelic organism.
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उत्तर
Spiders, scorpions and penguins are guanotelic organisms as they excrete guanine.
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संबंधित प्रश्न
State whether the following statement is true or false:
Some organisms store wastes in body parts.
Differentiate between
excretion and transpiration
Define the following term:
Osmoregulation
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 term used for Bowman’s capsule and glomerulus together.
Write the functional activity of the following structure: Vasopressin
Answer the following question.
Birds are uricotelic in nature. Give reason.
Explain the importance of soil for plant growth.
Name the organs that store and release the urine.
Give two examples of the following:
Bile pigments
