Advertisements
Advertisements
Question
What are the methods used by plants to get rid of their waste products?
Advertisements
Solution
Following are the various methods used by plants to get rid of their waste products.
- The gaseous wastes are removed through stomata in leaves and lenticels in stems.
- Some wastes are removed in the form of gums and resins.
- Some of the waste products are excreted into the soil around them.
APPEARS IN
RELATED QUESTIONS
Describe the structure of nephrons.
The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:

(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female reproductive system.
(iii) What is the role of part 7?
Explain Selective reabsorption
Identify the odd one.
Correct the following statements by changing the underlined words:
The normal pale yellow colour of the urine is due to the presence of the pigment Melanin.
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
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
Write down the functional activity of the following parts,
Renal artery ………………
In summer the urine is slightly thicker than in winter explain the reason.
Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.
![]() |
- Define excretion.
- Why does the cortex of the kidney show a dotted appearance?
- Why does the medulla of the kidney show a striped appearance?
- Write two differences in the composition of the blood flowing through the blood vessels 'A' and 'B'.
Choose the correct answer:
Composition of extracellular fluid is regulated by ___________
Explain the functioning of kidney.
Write the functional activity of the following structure: Vasopressin
Write the functional activity of the following structure: Renal artery
Choose the Odd One Out:
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
Give two examples of the following:
Main excretory organs
Which of the following is not an example of secretion?

