(a) Stomach acts as a temporary reservoir
     (b) Stomach mixes food with gastric juice
     (c) Stomach secretes lipase and amylase in gastric juice
     (d) Rate of stomach emptying depends on the type of food
Ans: (d)
398. Which one of the following organs breaks fat to produce cholesterol? [NDA 2011]
     (a) Intestine
     (b) Liver
     (c) Lungs
     (d) Kidneys
Ans: (b)
399. Due to contraction of eyeball, a long sighted eye can see only [CDS 2011]
     (a) farther objects which is corrected by using convex lens
     (b) farther objects which is corrected by using concave lens
     (c) nearer objects which is corrected by using convex lens
     (d) nearer objects which is corrected by using concave lens
Ans: (a)
400. Which one among the following is not correct about Down"s syndrome? [CDS 2011]
     (a) It is a genetic disorder
     (b) Effected individual has early ageing
     (c) Effected person has mental retardation
     (d) Effected person has furrowed tongue with open mouth
Ans: (d)
401. Which one among the following elements/ions is essential in small quantities for development of healthy teeth but
     causes mottling of the teeth if consumed in higher quantities? [CDS 2011]
     (a) Iron
     (b) Chloride
     (c) Fluoride
     (d) Potassium
Ans: (c)
402. Which of the following diseases are transmitted from one person to another?
     1) AIDS
     2) Cirrhosis
     3) Hepatitis B
     4) Syphilis
     Select the correct answer using the code given below: [CDS 2011]
     (a) 1, 2, 3 and 4
     (b) 1, 3 and 4 only
     (c) 1 and 2 only
     (d) 2, 3 and 4 only
Ans: (a)
403. Which of the following animals does not have nervous system? [SSC (10+2) 2010]
     (a) Leech
     (b) Tapeworm
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