Advertisements
Advertisements
प्रश्न
Explain in your own words with suitable examples.
How is excretion in plants useful to human beings?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Name the Following
The organ which produces urea.
Write the functions of Kidney
Write the functions of the Urinary bladder
State whether the following statement is true or false:
Some organisms store wastes in body parts.
What does the bladder in our body do?
A dialysis machine contains long tubes coiled in a tank containing dialysing solution:
Name the main waste which passes into the dialysing solution.
How are waste products excreted in Amoeba?
If a patient is out on dialysis, he is most likely suffering from a severe ailment of the ______.
Name the following:
The outer region of kidney containing the Bowman's capsule.
Explain in your own words with suitable examples.
How does excretion occur in human beings?
Choose the correct answer:
A condition of failure of kidney to form urea is called ____________
Name the following:
Functional unit of kidney.
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:
Which structure contains the highest concentration of urea?
Name the Following
The structural and functional units of kidney
State the Location: Renal pyramids
State the Location: Medulla of Kidney
Write the functional activity of the following structure: Renal vein
Choose the Odd One Out:
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
