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P'hysiUIVBJ
(12)Presence
of excess
fluorine
in water causes
a) Fluorosis
c) Dental Cavity
13. The
element found in
bone
and teeth
(a)
Potassium and
calcium
(b) Calcium and
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A)
Calcium and phosphorus
(d) Phosphorus
and sulpher
14. Bone of
man
became weak in old age
to-
(a) Deficiency
of
iodine
Deficiency of calcium
Bones join
with
muscles with the help
of
(a) Ligament
(c) Cartilage
16. Which of the following
salt is found in bone in largest
amount
a Calcium phosphate
(c) Ferric nitrate
(b) Respiratory dise 2/10
(d) Tooth Decay 5SC 2015)
(b) Deficiency
of Iron
(d) Deficiency of cobalt
(b) Féndon
(d) Small muscles
(b) Sodium chloride
(d) Magnesium carbonate
How many
teeth in man
comes
out twice-
(a) 4
(d) 28
BPSC 194
(b) 12 20
18. Most of the digestion occur in which part of alimentor
canal of man-
(a) Pancreas
( Large intestine
LCb) Small intestine
(d) Stomach
TUPrcS 1991, RRB 20
51 19.
Digestion
started in man from
(a) Rectum (b) StomachcMouth(d) Intestine
20. Length of alimentary canal of man is approxn 27 fet
(a) 16 feet (b) 18 feet (cY22 feet e
(d) 32 feet
A