Advertisements
Advertisements
Question
What job is done by the kidneys?
Solution
Kidneys filter the wastes out of the blood and form the urine. They also maintain the water balance of the body.
APPEARS IN
RELATED QUESTIONS
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
Name a waste gas released by the plants only during the night time.
Name the two parts of a plant through which its gaseous waste products are released into the air.
What is the name of the tubes which connect the kidneys to bladder?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
What does the dialysing solution contain?
The procedure of cleaning the blood of a person by using a kidney machine is known as:
(a) ketolysis
(b) hydrolysis
(c) dialysis
(d) photolysis
Answer the following in short.
List five waste products of plants.
Why is it necessary to maintain a normal osmotic concentration of the blood?
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.
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Which structure contains the lowest concentration of urea?
Study the diagram given alongside and then answer the question that follow:
Name the parts labelled 1, 2, 3, and 4.
Describe in brief how urine is produced in the human body.
Differentiate between:
The Renal artery and the Renal vein.
Differentiate between:
Ureter and Urethra.
Give Technical Term:
The duct which transports urine from the kidney to the urinary bladder.
Write the functional activity of the following structure: Aldosterone
Choose the correct option.
Visceral layer : Podocytes :: PCT : ________.
The product of the process of deamination is ______.
Certain organisms that are aquatic in habitat, tolerate only a narrow range of salinity. What term is given to such animals?
