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प्रश्न
Fill in the following blank with suitable word:
Bowman's capsule and tubule taken together make a..........
उत्तर
Bowman's capsule and tubule taken together make a nephron.
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संबंधित प्रश्न
Differentiate between the following pair on the basis of what is indicated in the bracket.
Ureter and Urethra [function]
Name the procedure used in the working of artificial kidney.
Name the two waste products of the human body which are produced in the body cells.
Define excretion. Name the excretory unit of a kidney.
What are the methods used by plants to get rid of their waste products?
Explain the principle of dialysis with the help of a labelled diagram.
If a patient is out on dialysis, he is most likely suffering from a severe ailment of the:
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system
The excretory organs in an earthworm are:
(a) nephridia
(b) nephrons
(c) raphides
(d) ureters
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Excess sugar in the blood is a symptom of diabetes.
Answer the following in short.
What is excretion?
Answer the following in detail.
Explain the process of transpiration. Describe some factors that affect it.
Differentiate between the following pairs of term :
Renal pelvis and renal papilla
Explain in your own words with suitable examples.
How is excretion in plants useful to human beings?
Differentiate between:
Renal cortex and Renal medulla.
Study the diagram given below and then answer the questions that follow:
 |
- Name the region in the kidney where the above structure is present?
- Name the parts labelled 1, 2, 3 and 4.
- Name the stages involved in the formation of urine.
- What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
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.
Complete the following sentence with appropriate word:
The sum total of all the chemical reactions taking place in the cell is known as ______.
Complete the following sentence with appropriate word:
The U-shaped portion of a nephron located in the medulla region is called ______.
Name the organs that store and release the urine.
