Sample paper
Unit Test III Class XI Subject : Biology
Max Marks 40 Duration 90 Mins.

1. What is meant by Tidal Volume? Give its value also for a normal adult human. (½+½)
2. Which blood group is Universal Donor? Which antigens are present in this blood group? (½+½)
3. Write the name of :-
(½+½+½+½)
1. Enzyme present in saliva.
2. Secretion of small intestine
3. Movement of human gut
4. End product of digestion of fat.

4. Explain the mechanism of Breathing in detail. (4)
5. Give a well labelled diagram to show duct system between Pancreas, Liver, Gall bladder and Small Intestine. (4)
6. Explain structure of the Heart with the help of suitable diagram. (4)
7. Write a note on Erythroblastosis foetalis. (4)
8. Explain sigmoid growth curve with the help of suitable diagram. Also label it’s all stages. (5)
9. Give details of ECG and ANGINA. (3+2=5)
10. Explain following terms :- (1×10=10)
1. Diphyodont
2. Heterophyodont
3. Total lung capacity
4. IRV
5. Dental formula
6. Cardiac cycle
7. Chyme
8. Differentiation
9. CAD
10. Diarrhoea

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