Question 2 :
The conversion of protein waste, the ammonia into urea occurs mainly in

Question 5 :
If liver from body is removed, then which component of&#160;blood will increase?<br/>

Question 6 :
In uraemia, artificial kidney is used for removing accumulated waste products like urea by the process called<br>

Question 8 :
Kidneys are not only organs of excretion.&#160;Their work is supplemented by

Question 9 :
The 'Urinary System' of the human body consists of how many organs?

Question 10 :
The process of filtering of blood through an artificial kidney called as ............

Question 11 :
In normal blood pressure of 120/80 mm Hg, the numerator presents

Question 13 :
The process used in separating larger particles from smaller ones in a solution is called<br>

Question 14 :
Which is the first part of the small intestine in humans?

Question 16 :
Which of the following is a direct oxidation pathway performed without glycolysis cycle?

Question 17 :
If for some reason our goblet cells are non-functional, this&#160;will adversely affect<br/>

Question 18 :
A respiratory substrate with formula $C_{51}H_{98}O_{6}$ is completely oxidised during respiration. What would be the ratio of the volume of $CO_{2}$ evolved to the volume of $O_{2}$ consumed in respiration?

Question 19 :
The velocity of blood flow is the lowest in capillaries because:

Question 20 :
Match the item in column I with those in column II and select the correct option given below:<br/><table class="wysiwyg-table"><tbody><tr><td><br/></td><td>Column I<br/>(Function)&#160;</td><td></td><td>Column II <br/>(Part of Excretory System)</td></tr><tr><td>a.</td><td>Ultrafiltration&#160;</td><td>i.</td><td>Henle's loop</td></tr><tr><td>b.</td><td>Concentration&#160;</td><td>ii.</td><td>Ureter</td></tr><tr><td>c.</td><td>Transport of urine</td><td>iii.</td><td>Urinary bladder&#160;</td></tr><tr><td>d.</td><td>Storage of urine</td><td>iv.</td><td>Malpighian corpuscle</td></tr><tr><td></td><td></td><td>v.</td><td>Proximal convoluted tubule&#160;</td></tr></tbody></table>

Question 21 :
The correct sequence of layers found in the walls of arteries from inside to outward is

Question 24 :
Choose the correct answers from the alternatives given.<br/>A&#160;cell placed in a hypertonic salt solution will shrink because

Question 25 :
In humans, which of the following is not a step in respiration?

Question 28 :
Match the columns.<br/><table class="wysiwyg-table"><tbody><tr><td>List 1</td><td>List 2</td></tr><tr><td>A. Regulation</td><td>1.&#160;The removal of metabolic waste from an organism.</td></tr><tr><td>B.&#160;Reproduction</td><td>2. The chemical process of oxidizing organic molecules to release energy.</td></tr><tr><td>C.&#160;Respiration</td><td>3. The replication of an organism.</td></tr><tr><td>D.&#160;Excretion</td><td>4.&#160;The control and coordination of chemical processes within the organism.</td></tr></tbody></table>

Question 30 :
Which one of the following sets of animals produces the same substance as their chief excretory product?

Question 31 :
State whether the following statements are true or false.<br>Unlike capillaries, arteries and veins lack an endothelium.

Question 32 :
As absorbed water passes towards vascular cylinder, it must enter the cytoplasm of

Question 34 :
A leafy twig of mesophytic plant dipped in water would demonstrate&#160;

Question 36 :
The separation of macromolecules from molecules and ions can be accomplished by

Question 39 :
Read the following statement and select the correct option.<br><b>Statement 1</b> : When the urine moves through the descending limb, it becomes hypertonic to blood plasma and as it passes through are ascending limb, of Henle's loop it becomes hypotonic to blood plasma.<br><b>Statement 2 : </b>The descending limb is permeable to sodium ions, while the ascending limb is impermeable to sodium ions.