Question 1 :
The conversion of protein waste, the ammonia into urea occurs mainly in

Question 2 :
The removal of nitrogenous wastes from the body is carried out by

Question 11 :
The separation of macromolecules from molecules and ions can be accomplished by

Question 12 :
The process in which loss of water occurs in the form of water vapour is<br/>

Question 13 :
The main waste which passes into the dialysingsolution of a dialysis machine is

Question 14 :
Choose the correct answer from the alternatives given.<br>Humanblood passes from the inferior vena cava into thediastolic right atrium of the heart<br>because of:

Question 15 :
State whether the following statements are true or false.<br>Semilunar valves open during the ventricular diastole.

Question 17 :
Consider the following statements.<br/>(a) In muscles, anaerobic respiration produces carbon dioxide, water and energy.<br/>(b) Artificial kidney is a device to remove nitrogenous waste products from blood through dialysis.<br/>(c) Food is translocated inside the plants through phloem.<br/>Which of the above statements are correct?

Question 18 :
In order to study blood circulation in rat, capillaries are observed in

Question 20 :
Which one of the following helps in the upwardmovement of water and dissolved minerals fromthe roots to the leaves through the stem ?