Assertion : Artificial kidney is a device used
Reason : Reabsorption does not occur in artificial kidney.
Assertion : Translocation of sugar
Reason : It is achieved by
A healthy woman consumes a litre of water at once.
Assertion : Liver is known as
Reason : It secretes salivary amylase
Assertion : Raw material needed for
Reason : Nutrients provide energy to an organism.
Explain, how the blood system carries waste products from liver to the kidneys.
Single circulation, i.e., blood flows through the heart
Assertion : Lymph, also known as tissue
Reason : It lacks erythrocytes
Assertion : Ultrafiltration involves filtration of blood under high pressure.
Reason : Reabsorption of major amount of water occur..
The diagram given below represents the liver, kidney and some associated blood vessels.
Assertion : The main organ of human
Reason : Kidneys perform the function of
The diagram shows parts of a flowering plant. where does the most transpiration take place?
Assertion : Plants excrete various waste
Reason : They produce urea just like humans
The diagram shows a vertical section through the heart.
(i) Define excretion.
(ii) Name the basic filtration unit present in the kidney
(iii) Draw excretory system in human beings and la..
Assertion : walls of the intestine
Reason : These villi increase
The diagram given along side shows the human excretory system.
Identify the function of part labelled as X
Assertion : All the arteries carry
Reason : Pulmonary vein carries
Platelets helps in clotting of a blood at injured site.
Assertion : Egestion is the removal
Reason : Excretion is the discharge of
Example(s) of liquid waste product in plants is/are
Explain how deoxygenated blood travels from body to lung for purification.
The given diagram shows parts of the urinari syatem of a mammal.
write the functions of two upper chambers of human heart.
Most often during a kidney disorder, the colour of urine changes from yellow to others.
figure given below is representing the dialysis machine for removing nitrogenous wastes in patient with a kidney failure.
Explain the principle of haemodialysis
(i) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide
(ii) What is the advantage of having se..
If salary amylase is lacking in the saliva
Name the excretory organs in unicellular organisms.
(i) Write the important functions of the structural and functional unit of kidney.
(ii) Write any one function of an artificial ki..
Explain with the help of neat and well-labelled diagrams the different steps involved in the nutrition in Amoeba.
An adult human on an average produces
In the figure given along side, the structures associated with human kidneys are marked (X, Y and Z).
Name the glands present in the wall of the stomach that release secretions for digestion of food.
What is the mode of nutrition in fungi?
Describe double circulation in human beings.
The xylem in plants are responsible for
What is the final product of photosynthesis?
Leakage of blood from vessels reduces the efficiency of pumping system.
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