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प्रश्न
Explain in your own words with suitable examples.
How is excretion in plants useful to human beings?
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उत्तर
Excretion in plants results in the production of various kinds of excreta which are waste for the plant but are equally important for human use.
The following examples are helpful in proving the above fact:
- Oxygen which is an excretory product of photosynthesis is an absolute requirement for human beings to survive on Earth.
- Tannin is a waste plant product which is stored in leaves and bark. it is used in making tea all over the world.
- Plants store waste products in their leaves and bark which are shed off regularly. These shed-offs are used to make manure.
- Gum and resin are waste materials for plants but they have various uses for man.
- Essential oils are also waste products of plants which are stored in their leaves. These essential oils are used for various purposes by us.
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संबंधित प्रश्न
Write the functions of Ureter.
Name an animal which absorbs oxygen through its moist skin.
Fill in the following blank with suitable word:
Bowman's capsule and tubule taken together make a..........
What is the function of excretory system in humans?
Put a tick mark (✓) against the most appropriate alternative in the following statement :
In human beings, urea is produced in :
Fill in the blank.
Malpighian body consists of Bowman’s capsule and .....................
Fill in the blank.
.................. produces bile pigments from the heamoglobin of broken RBCs.
Answer the following in short.
List five waste products of plants.
Name the following:
The part of kidney tubules where the term urine is first used for the fluid in it.
Study the diagram given alongside and then answer the question that follow:
Name the region in the kidney where the above structure is present?
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 Term: Glomerulus
Give Technical Term:
The duct which transports urine from the kidney to the urinary bladder.
Answer the following question.
Name any one guanotelic organism.
Osmoregulation maintains the osmolarity of blood at about ______.
The CORRECT match is ______.
Elimination of nitrogenous wastes in the form of uric acid takes place in ____________.
In a person the tubule part of the nephron is not functioning at all. What will its effect be on urine formation?
Explain the importance of soil for plant growth.
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.
