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प्रश्न
What does the bladder in our body do?
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उत्तर
The urinary bladder stores the urine until it is forced out of the body through an opening known as urethra.
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संबंधित प्रश्न
How is the amount of urine produced regulated?
Name the basic filtration unit present in the kidney.
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.
State whether the following statement is true or false:
Some organisms store wastes in body parts.
Why do some people need to use a dialysis machine? What does the machine do?
Answer the following in short.
Define transpiration in plants.
Name the following:
The tuft of capillaries inside the Bowman's capsule.
Name the following:
The vein in which urea concentration is maximum
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
Study the diagram given below and then answer the questions that follow:
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- 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?
Complete the following sentence with appropriate word:
The sum total of all the chemical reactions taking place in the cell is known as ______.
Write the functional activity of the following structure:
Glomerulus
Write the functional activity of the following structure: Renal vein
Choose the Odd One Out:
Answer the following question.
Amphibian tadpole can afford to be ammonotelic. Justify.
Two green plants are kept separately in oxygen-free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.
Identify the correct labels for A and B in the following diagram
Give two examples of the following:
Main excretory organs
The process of removal of unwanted metabolic wastes from the body is called ______.
