Biol 224-final 2005

(B. Sc. Biochemistry) Fourth Semester 2005 Subject: Biol 224 (Human Biology)

Full Marks: 100 Pass Marks: 45 Time: 3 hours

Candidates are required to give their answers in their own words as far as practicable. The figure in the margin indicates full marks. (3× ×14 = 42)

Group (A) Long Questions (Any three)

1. What is nutrition? Describe the various types of carbohydrates with examples. Mention its role in nutrition. 2. Define respiration. Explain the respiratory organs of human being. 3. With a neat diagram, describe the arterial system of man. 4. What are the organs of the sense of vision? Describe the structure and working of the human eye. Group (B) Short Questions: (Any six) (6× ×7 = 42) 1. What is meant by 'exocrine' and 'endocrine gland? Describe the structure and functions of Pituitary gland. 2. Explain the family members of vitamin B complex group with their generic name, sources and functions. 3. Draw a well labelled diagram of human ear (No need of description). 4. What is heart? Describe the structure of the heart of the man. 5. Explain the physiology of respiration of human. 6. Describe the structure and function of human teeth. 7. What is portal system? Explain the hepatic portal system of man. 8. Mention mineral salt and their source for our digestive system. Group (C) Very short questions: (Any eight) 1. Mention the functions of tocopherol. 2. What is your scientific name? 3. Mention the tubules which form milk in breast. 4. Draw a well labelled diagram of T.S. of testis. 5. What are the functions of the ear oscicles? 6. What is the role of vitamin A in human health? 7. Enlist the human secondary sexual characters in human being. 8. Write down your dental formula. 9. What are taste buds? Mention the name and location of the taste buds. 10. Mention the full form of CSF ans FSH. 11. What is the digestive function of liver? 12. What is the role of 'glucagon'? ***

(2× ×8 = 16)