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प्रश्न
What gaseous waste products are excreted by plants?
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उत्तर
The gaseous waste products excreted by plants are carbon dioxide, oxygen, and water vapour.
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संबंधित प्रश्न
Match structures given in Column I with functions given in Column II.
| Column I | Column II | ||
| (i) | Stomata | (a) | Absorption of water |
| (ii) | Xylem | (b) | Transpiration |
| (iii) | Root hairs | (c) | Transport of food |
| (iv) | Phloem | (d) | Transport of water |
| (e) | Synthesis of carbohydrates |
The Biological/technical term for The removal of nitrogenous wastes from the body
State whether the following statement is true or false:
Some organisms store wastes in body parts.
If a patient is out on dialysis, he is most likely suffering from a severe ailment of the:
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system
The substance which is not reabsorbed into the blood capillaries surrounding the tuble of a nephron is mainly:
(a) glucose
(b) amino acid
(c) urea
(d) water
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
Why is excretion necessary in living beings?
Tick the most appropriate answer.
The process of removing waste from the body is called
Answer the following in detail.
Describe the process of urine formation.
Name the following:
The vein in which urea concentration is maximum
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The kidney is composed of number of neurons.
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Name the functional units of the kidneys.
Explain the functioning of kidney.
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Answer the following question.
Amphibian tadpole can afford to be ammonotelic. Justify.
Among the following animals, the best conserver of water is ______.
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.
Which of the following is not an example of secretion?
The main nitrogenous waste formed in the human body:
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.
