Question 1 :
Assertion : If human urine is allowed to stand for some time, it smells strongly of ammonid.<br>Reason : Main constituent of human urine is Ammonia.

Question 3 :
Select the correct match of the types of neuron present in column I with its location given in column II. <table><tr><td>Column I</td><td>Column II</td></tr> <tr><td>A. Sclera</td><td>I. The visible coloured portion of the eye.</td></tr> <tr><td>B. Choroid</td><td>II. Its diameter is regulated by the muscle fibres of iris.</td></tr> <tr><td>C. Pupil</td><td>III. Composed of a dense connective tissue</td></tr> <tr><td>D. Fovea</td><td>IV. Portion of the retina where only the cones are densely packed</td></tr> <tr><td>E. Iris</td><td>V. Contains many blood vessels and looks bluish in colour</td></tr></table>

Question 4 :
Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs

Question 5 :
Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.

Question 6 :
<b>Assertion</b> : The imbalance in concentration of Na+ , K+ and proteins generates resting potential. <br><b>Reason</b> : To maintain the unequal distribution of Na+ and K+ , the neurons use electrical energy.

Question 7 :
Select the correct match of the source gland with its respective hormone as well as the function. <br>Source gland - Hormone - Function

Question 8 :
<p>In which direction, cristae of rabbit ear helps in maintaining balance?</p>

Question 10 :
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.