(b) Nostril-Nasalcavity-Bronchioles - Bronchi-Larynx-Pharynx-Trachea- Alveoli
     (c) Nostril-Nasalcavity-Larynx - Pharynx-Trachea-Bronchi- Bronchioles-Alveoli
     (d) Nostril-Nasalcavity-Larynx - Pharynx-Bronchi-Trachea- Bronchioles-Alveoli
Ans: (a)
217. The pH of human blood is between:
     (a) 6.5 - 7
     (b) 7.5 - 8
     (c) 8 - 9
     (d) 4.5 – 5
Ans: (b)
218. For transfusion, the "O" blood group of a donor can be accepted by a person having blood group:
     (a) A
     (b) B
     (c) AB
     (d) All of these
Ans: (d)
219. The largest gland in the human body is :
     (a) heart
     (b) liver
     (c) kidney
     (d) brain
Ans: (b)
220. The most important function of perspiration is to : [CBI 1991]
     (a) lubricate the skin
     (b) get rid of the body wastes
     (c) regulate body temperature
     (d) regulate body wastes
Ans: (c)
221. A heart beat requires approximately
     (a) 0.5 second
     (b) 0.8 second
     (c) 0.5 minute
     (d) 1 minute
Ans: (b)
222. Which of the following glands in human body is popularly called "Adam"s apple"?
     (a) Adrenal
     (b) Pituitary
     (c) Thyroid
     (d) Thymus
Ans: (c)
223. If one chews an unsweetened chapati for a short time, a distinctly sweetish taste becomes noticeable because
     [Stenographers" Exam 1992]
     (a) carbohydrate is converted into sugar in the mouth
     (b) protein is converted into sugar in the mouth