Advertisements
Advertisements
प्रश्न
Explain the difference between the excretory system of humans and plants.
Advertisements
उत्तर
| Excretory system in humans | Excretory system in plants |
| Humans have a well-developed excretory system for the elimination of nitrogenous wastes. | Plants do not have a well-developed excretory system for the elimination of nitrogenous wastes. |
| The human excretory system comprises the kidneys, blood vessels that join them, ureters, urinary bladder, and urethra. | Plants use different strategies for excretion. |
| Excretion is in the form of urine produced to filter out the waste products, like urea and uric acid, from the blood. | Excretion is by means of tannins, gums, essential oils, etc stored in special cells. |
APPEARS IN
संबंधित प्रश्न
Why is it necessary to excrete waste products?
Name the Following
The organ which produces urea.
The form in which glucose in stored in liver.
Identify the odd one.
Name an animal which absorbs oxygen through its moist skin.
What is the role of glomerulus in the kidney?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution
What does the dialysing solution contain?
The excretory unit in the human excretory system is called:
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Afferent arteriole, renal vein, secondary capillary network, glomerulus, efferent arteriole.
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
Skin, liver, lungs, kidneys, excretion.
Choose the correct answer:
Composition of extracellular fluid is regulated by ___________
Name the following:
Functional unit of 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:
Where is most water reabsorbed ?
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
Explain the functioning of kidney.
Differentiate between:
Renal cortex and Renal medulla.
Complete the following sentence with appropriate word:
______ supplies blood to kidney.
Identify the correct labels for A and B in the following diagram
