Question 3 :
Which of the following statement is wrong about chylomicrons?<br>I. Chylomicrons are produced in the epithelial cells of small intestinal <br>II. It contains triglycerides, cholesterol and phospholipids <br>III. It is protein coated small vesicles <br>IV. Chylomicrons released from the epithelial cell into lacteals

Question 4 :
<p>Which one of the following is not a second messenger in hormone action?</p>

Question 5 :
The structure which does not contribute to the breathing movements in mammals is

Question 6 :
Which one of the following is the correct statement for respiration in humans?

Question 9 :
Origin in heat beat and its conduction is represented by -

Question 10 :
Assertion : Blood of insects is colourless<br>Reason : The blood of insect does not play any role in transport of oxygen.

Question 11 :
<p>Choose the correct ones</p><p>I. Vasa recta is lacking in cortical nephrons</p><p>II. Maximum number of nephrons in kidney are juxta-medullary type</p><p>III. DCT of many nephorns open into collecting tubule</p><p>IV. During summer when body loses lot of water by evaporation, the release of ADH is suppressed</p><p>V. When someone drinks lot of water, ADH release is suppressed</p><p>VI. Exposure to cold temperature stimulates ADH release</p><p>VII. An increase in glomerular blood flow stimulates formation of angiotensin II</p><p>The correct option is</p>

Question 12 :
Match the following organic molecules given in column I with their correct description given in column II and then choose the correct option. <table><tr><td>Column-I(Organic molecules)</td><td>Column-II (Description)</td></tr> <tr><td>A. Carbohydrates</td><td>I. It is made of fatty acids and glycerol</td></tr> <tr><td>B. Proteins</td><td>II. It is mostly ingested in the form of starch</td></tr> <tr><td>C. Nucleic acids</td><td>III. It is built of long chains of amino acids</td></tr> <tr><td>D. Lipids</td><td>IV. It is made of ribose or deoxyribose sugars and nitrogenous bases.</td></tr></table>

Question 14 :
Select the option which correctly matches the endocrine gland with its hormone and its function.

Question 18 :
<p> <font face="Cambria Math, serif">In frog’s heart, there are cardiac muscles, which consists of fibres called</font></p>

Question 20 :
<p> <font face="Cambria Math, serif">Which of the following statements are true/false</font></p> <p> <font face="Cambria Math, serif">I. Calcitonin regulates the metabolism of calcium.</font></p> <p> <font face="Cambria Math, serif">II. Oxytocin stimulates contraction of uterine muscles during birth.</font></p> <p> <font face="Cambria Math, serif">III. Grave’s disease is caused by malfunctioning of adrenal gland.</font></p> <p> <font face="Cambria Math, serif">IV. ADH stimulates absorption of water and increase the urine production.</font></p>