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प्रश्न
Which of the following is not an example of secretion?
पर्याय
Saliva
Gastric juice
Urine
Milk
उत्तर
Urine
Explanation:
Urine is an excretory product, while secretions include saliva, gastric juice, and milk.
संबंधित प्रश्न
Correct the following statements by changing the underlined words:
The normal pale yellow colour of the urine is due to the presence of the pigment Melanin.
The excretory unit in the human excretory system is called:
Fill in the blank.
Malpighian body consists of Bowman’s capsule and .....................
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.
Differentiate between:
The Renal artery and the Renal vein.
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?
Give Technical Terms
The hormone that helps increase the reabsorption of water from the kidney tubules.
Write the functional activity of the following structure: Renal artery
The product of the process of deamination is ______.
Give reason:
Excretion is a necessary process of our body.
