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प्रश्न
What is the purpose of making urine in the human body?
उत्तर
To filter out nitrogenous waste products like urea and uric acid from the blood in humans.
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संबंधित प्रश्न
What are the methods used by plants to get rid of excretory products?
Give biological reasons for the following statements: There is frequent urination in winter than in summer
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Explain Selective reabsorption
Name the various organs of the human excretory system.
Fill in the blank :
Nitrogenous wastes in the urine are in the form of urea and .....................
Answer the following in short.
Define transpiration in plants.
In humans, urea is formed in
Name the following:
The outer region of kidney containing the Bowman's capsule.
Choose the correct answer:
What happens if one kidney is removed from the body of human being?
Label the diagram given below :
Look at the figure given below. It is a section of human kidney as seen from the front.
Which area/part (give its name and number given on the diagram) which contains the following:
(i) Malpighian capsule
(ii) The pyramids
(iii) Freshly collected urine
Name the Following
The term used for Bowman’s capsule and glomerulus together.
Complete the following sentence with appropriate word:
______ supplies blood to kidney.
State the Location: Medulla of Kidney
Write the functional activity of the following structure:
Glomerulus
Answer the following question.
State the role of liver in urea production.
Identify the INCORRECT match.
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
Choose the odd one out in the following set and write the category for the remaining terms:
