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प्रश्न
Explain the difference between the excretory system of humans and plants.
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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
State the exact location of the Loop of Henle.
Write the functions of Ureter.
Name the two parts of a plant through which its gaseous waste products are released into the air.
Name the two waste products of the human body which are produced in the body cells.
What are the methods used by plants to get rid of their waste products?
What is urethra?
Tick the most appropriate answer.
The process of removing waste from the body is called
Name the following:
The vein in which urea concentration is maximum
If you donate one kidney to a needy patient, would it cause any harm to you? Give reason.
Fill in the blanks in the following passage to make it a meaningful description.
In a nephron, the ______ flows through the ______ under great pressure. The reason for this great pressure is that the ______ (outgoing) ______ is narrower than the ______ (incoming). This high pressure causes the ______ part of the blood to filter out from the ______ into the ______ capsule.
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 ?
Explain the Term: Glomerulus
Write the functional activity of the following structure: Vasopressin
Choose the Odd One Out:
Answer the following question.
Name any one guanotelic organism.
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
Name the organs that store and release the urine.
Given below is a list of substances - select the ones that need to be eliminated from the body.
Glucose, excess water, amino acids, urea, carbon dioxide, excess common salt, glycogen, uric acid.
The statement given below is false. Rewrite the correct form of the statement by changing the underlined word.
The pigment urochrome is the breakdown product of the haemoglobin of dead RBCs.
