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प्रश्न
Answer the following question.
Name any one guanotelic organism.
उत्तर
Spiders, scorpions and penguins are guanotelic organisms as they excrete guanine.
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संबंधित प्रश्न
Describe the structure and functioning of nephrons.
Mention the exact location of the Prostate gland.
The excretory organs in an earthworm are:
(a) nephridia
(b) nephrons
(c) raphides
(d) ureters
Fill in the blanks in the following passage to make it a meaningful description.
In a nephron, the ______ flows through the ______ under great pressure. The reason for this great pressure is that the ______ (outgoing) ______ is narrower than the ______ (incoming). This high pressure causes the ______ part of the blood to filter out from the ______ into the ______ capsule.
Study the diagram given alongside and then answer the question that follow:
Name the region in the kidney where the above structure is present?
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?
Choose the correct option.
The part of nephron which absorbs glucose and amino acid is ______.
Adult frog is an amphibian, its mode of excretion is ______.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
Bilirubin and Biliverdin are pigments which are ____________.
