Advertisements
Advertisements
प्रश्न
The excretory organs in an earthworm are:
(a) nephridia
(b) nephrons
(c) raphides
(d) ureters
उत्तर
(a) nephridia
In earthworm, the main excretory organs are nephridia. It functions like a kidney.
APPEARS IN
संबंधित प्रश्न
Explain the term haemodialysis.
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
The diagram given below is that of a structure present in a human kidney.
Study the same and answer the questions that follow:
1) Name the structure represented in the diagram
2) What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule.
3) What is the fluid that comes to part ‘2’ called?
Name the main nitrogenous waste in it.
4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above
5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.
Name a waste gas released by the plants only during the night time.
What is the role of glomerulus in the kidney?
What does the bladder in our body do?
The excretory unit in the human excretory system is called:
Tick the most appropriate answer.
Quinine is used in the treatment of
Fill in the blank.
Malpighian body consists of Bowman’s capsule and .....................
Answer the following in short.
What is excretion?
Name the following:
The part of kidney tubules where the term urine is first used for the fluid in it.
Write down the functional activity of the following parts,
Renal artery ………………
Define the following term :
Renal pelvis
Choose the correct answer:
Narrow apex of pyramid in kidney is called ___________
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Mention two functions of the kidney.
Study the diagram given alongside and then answer the question that follow:
Name the parts labelled 1, 2, 3, and 4.
Explain the functioning of kidney.
Complete the following sentence with appropriate word:
The U-shaped portion of a nephron located in the medulla region is called ______.
Write the functional activity of the following structure: Aldosterone
