17. Which gland in the human body is called the master gland?
A. Pancreas
B. Thyroid
C. Pituitary
D. Spleen
18. How many bones are there in a newly born infant?
A. 206
B. 230
C. 280
D. 300
19. Which of the following have maximum calorific value?
A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins
20. Which of the following vitamins promote healthy functioning of eyes in human beings?
A. Vitamin B
B. Vitamin C
C. Vitamin A
D. Vitamin D
21. The average heartbeat per minute in a normal man is
A. 50
B. 70
C. 80
D. 100