71. Insulin is secreted by pancreatic cells

A A - Cells
B B - Cell
C r - cells
D Δ - cells
Answer :   B - Cell
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72. Enterokinase stimulates which of the following

A Pepsinogen
B Trypsin
C Pepsin
D Trypsinogen
Answer :   Trypsinogen
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73. The end product of carbohydrate metabolism is

A CO2 and H2O
B NH3 and CO2
C NH3 and H2O
D CO2
Answer :   CO2 and H2O
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74. The hormone which lower the secretion of hydro chloric acid and gastric juice is

A Secretin
B Enterogastrone
C Enterokinin
D Gastrin
Answer :   Enterogastrone
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75. Vitamins are

A Inorganic substances and can't be synthesized by animals.
B Inorganic substances and can be synthesized by animals.
C Organic substances which cannot mostly be synthesized by animals.
D Organic substances which can mostly be synthesized by animals
Answer :   Organic substances which cannot mostly be synthesized by animals.
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76. Prolonged deficiency of nicotinic acid produces

A Osteomalacia
B Xerophthalmia
C Pellagra
D Anaemia
Answer :   Pellagra
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77. Casien present in milk, which is

A Bacterium
B Sugar
C Protein
D Fat
Answer :   Protein
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78. The digestion of cellulose in rabbit and other herbivorous mammals takes place in

A Vermiform appendix
B Colon
C Caecum
D Ileum
Answer :   Caecum
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79. Wharton's duct is associated with

A Sublingual salivary duct
B Parotid salivary gland
C Submaxillary salivary gland
D Brunner's glands
Answer :   Submaxillary salivary gland
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80. The structure which prevents entry of food into wind pipe during swallowing in mammals is

A Larynx
B Glottis
C Epiglottis
D Pharynx
Answer :   Epiglottis
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