Advertisements
Advertisements
प्रश्न
How are waste products excreted in Amoeba?
उत्तर
Amoeba excretes excess carbon dioxide, water and ammonia. Carbon dioxide is excreted by diffusion through the cell membrane, while excess water and nitrogenous waste like ammonia is removed by the contractile vacuole.
APPEARS IN
संबंधित प्रश्न
Explain the term haemodialysis.
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?
Name the basic filtration unit present in the kidney.
Blood in the renal artery or renal vein (Which one has more urea ?)
Name a waste gas released by the plants only during the daytime.
Name the two parts of a plant through which its gaseous waste products are released into the air.
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
Name the various organs of the human excretory system.
What is the function of excretory system in humans?
What is urethra?
Name the following:
The outer region of kidney containing the Bowman's capsule.
Define the following term:
Micturition
Choose the odd one out in the following series:
Renal fat, renal capsule, nerve.
Name the Following
The structural and functional units of kidney
Complete the following sentence with appropriate word:
Besides excretion, the kidneys also carry out the important function of ______.
Write the functional activity of the following structure: Henle’s loop
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer.
Give two examples of the following:
Nitrogenous waste
Give two examples of the following:
Bile pigments
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.