Advertisements
Advertisements
Question
Define excretion
Solution
Excretion is the process that biological organisms use to expel or eliminate the waste products produced by their metabolisms. In order for cells to survive, they need to perform certain biochemical reactions, as these reactions take place, some byproducts are formed which can be toxic or lethal to the cells if they are allowed to accumulate. The process of excretion collects these wastes, and rids them from the cellIn multicellular organisms, these wastes must then be excreted from the body.
APPEARS IN
RELATED QUESTIONS
Why is it necessary to excrete waste products?
Identify the odd one.
Write the functions of Ureter
Name the basic filtration unit present in the kidney.
What gaseous waste products are excreted by plants?
Fill in the following blank with suitable word:
The organs which extract the nitrogenous wastes from the blood are ..........
What is the name of the tubes which connect the kidneys to bladder?
What does the bladder in our body do?
How are waste products excreted in Amoeba?
Name the various organs of the human excretory system.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
In human beings, urea is produced in :
Define the following term:
Micturition
Choose the correct answer:
The smallest functional unit of the kidney is ____________
Study the diagram given alongside and then answer the question that follow:
What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Study the diagram given below and then answer the questions that follow:
 |
- Name the region in the kidney where the above structure is present?
- Name the parts labelled 1, 2, 3 and 4.
- Name the stages involved in the formation of urine.
- What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
State the Location: Medulla of Kidney
Write the functional activity of the following structure:
Glomerulus
Choose the correct option.
The part of nephron which absorbs glucose and amino acid is ______.
The process of diffusion of solvent particles from the region of less solute concentration to a region of high solute concentration through a semi-permeable membrane is known as ____________.
The process of removal of unwanted metabolic wastes from the body is called ______.
