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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. |
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संबंधित प्रश्न
Draw a diagram of the human excretory system and label the various parts.
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
Tick the most appropriate answer.
The process of removing waste from the body is called
Differentiate between
excretion and transpiration
Answer the following in detail.
Describe the process of urine formation.
Write down the functional activity of the following parts,
Renal artery ………………
In summer the urine is slightly thicker than in winter explain the reason.
Look at the figure given bellow, it is a section of human kidney as seen from the front.
Is it a longitudinal section or a cross-section?
Name the Following
The branch of renal artery which enters into Bowman’s capsule.
Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
Complete the following sentence with appropriate word:
The U-shaped portion of a nephron located in the medulla region is called ______.
Complete the following sentence with appropriate word:
______ supplies blood to kidney.
Write the functional activity of the following structure: Henle’s loop
Choose the Odd One Out:
Choose the correct option.
In human beings, uric acid is formed due to metabolism of ______.
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
The habitat of animals that excrete nitrogenous waste in the form of urea.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
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.
