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प्रश्न
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
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उत्तर
(i) Separation and elimination of the metabolic nitrogenous wastes from the body is called excretion.
(ii) Nephron.
(iii) The cortex of kidney shows dotted appearance because it contains numerous complex structures called nephrons.
(iv) Formation of urine and osmoregulation are important functions of kidney.
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संबंधित प्रश्न
The diagram given below is that of a structure present in a human kidney.
Study the same and answer the questions that follow:
1) Name the structure represented in the diagram
2) What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule.
3) What is the fluid that comes to part ‘2’ called?
Name the main nitrogenous waste in it.
4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above
5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.
Name the two waste products of the human body which are produced in the body cells.
Differentiate between
tannins and resins
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Renal artery, urethra, ureter, kidney, urinary bladder.
Differentiate between the following pairs of term :
Renal pelvis and renal papilla
Choose the odd one out in the following series:
Proximal convoluted duct, loop of Henle, vein.
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
Explain the importance of soil for plant growth.
The process of removal of unwanted metabolic wastes from the body is called ______.
