Advertisements
Advertisements
प्रश्न
Define excretion
उत्तर
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
संबंधित प्रश्न
Mention the exact location of the Prostate gland.
State whether the following statement is true or false:
Some organisms store wastes in body parts.
If a patient is out on dialysis, he is most likely suffering from a severe ailment of the:
(a) circulatory system
(b) respiratory system
(c) excretory system
(d) digestive system
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Urine is devoid of blood cells.
Name the following:
The outer region of kidney containing the Bowman's capsule.
Name the following:
The tuft of capillaries inside the Bowman's capsule.
Write down the functional activity of the following parts,
Henle's loop ………………
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1 to 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:
Where does ultrafiltration take place?
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.
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.
Draw a labeled diagram of the human kidney as seen in a longitudinal section.
Name the Following
The term used for Bowman’s capsule and glomerulus together.
Write the functional activity of the following structure: Henle’s loop
Write the functional activity of the following structure: Kidney
Write the functional activity of the following structure: Renal vein
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
The tadpole of frog lives in water, hence its mode of excretion is ______.
Certain organisms that are aquatic in habitat, tolerate only a narrow range of salinity. What term is given to such animals?
The process of removal of unwanted metabolic wastes from the body is called ______.
