NEET MCQ ( Digestion and absorption)

 Digestion and absorption

1. Nutrition involving engulfment of whole or parts of a plant or animal in solid of liquid state is known as

A. Saprozoic
B. Holophytic
C. Holozoic
D. Autotrophic
Answer: C
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2. Vitamins and water are included unde

A. Micronutrients or proximate principles of food
B. Micronutrients or protective principles of food
C. Macronutrients or proximate principles of food
D. Macronutrients or protective principles of food
Answer: B
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3. In coelenterates, digestion is

A. Intracellular
B. Extracellular
C. Both (1) and (2)
D. None of these
Answer: C
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4. Types of teeth in human are

A. Homodont, lophodont, diphyodont
B. Heterodont, selenodont, monophyodont
C. Bunodont, thecodont, heterodon
D. Diphodont, heterodont, acrodont
Answer: C
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5. Dental formula for the monophyodont teeth of human is

A. 0021/0021
B. 0003/0003
C. 2120/2120
D. 2121/2121
Ans.  A
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6. The enamel part of tooth is secreted by

A. Odontoblast, mesoderma
B. Ameloblast, mesodermal
C. Odontblast, ectodermal
D. Ameloblast, ectodermal
Answer: D
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7. Regurgitation of food form stomach is prevented by

A. Pyloric sphincter
B. Cardiac sphincter
C. Circular muscle
D. Muscularis mucosae
Answer: B
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8. Which of the following can be taken as true stomach in ruminants

A. Rumen
B. Reticulum
C. Omasum
D. Abomasum
Answer: D
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9. The first and largest chamber in the stomach of ruminants such  as cattle, buffalo, sheep, goat, and camel is

A. Reticulum
B. Rumen
C. Omasum
D. Abomasum
Answer: B
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10. Zymogen cells or chief cells secrete

A. HCl
B. Mucous
C. Pepsinogen
D. Trypsin
Answer: C
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11. The HCI of gastric juice is produced by

A. Chief cells
B. Oxyntic cells
C. Goblet cells
D. Columnar cells
Answer: B
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12. Before opening into duodenum, hepatopancreatic ampulla possesses a thickening called

A. Plicae circulares
B. Sacculus rotundus
C. Sphincter of Boyden
D. Sphincter of Oddi
Answer: D
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13. Crypts of Lieberkuhn are present in

A. Pancreas and secrete pancreatic juice
B. Small intestine and secrete digestive enzymes
C. Stomach and secrete dilute HCI
D. Stomach and secrete trypsin
Answer: B
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14. Sphincter of Boyden which helps in the filling up of gall

bladder is present in
A. Ductus choledochus
B. Duct of Wirsurg
C. Ampulla of Yater
D. Duct of Santorini
Answer: A
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15. The smallest part of colon and lacking mesentry is

A. Ascending
B. Descending
C. Transverse
D. Sigmoid
Answer: A
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16. Lamina propria is associated with which part of the alimentary canal?

A. Mucosa
B. Submucosa
C. Muscularis extema
D. Serosa
Answer: A
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17. Auerbach's plexus is present in

A. Submucosa
B. Between mucosa and submucosa
C. Between circular and longitudinal muscles of muscularis interne
D. Between circular and longitudinal muscles of muscularis extema
Answer: D
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18. Oblique muscle layer is present in

A. Stomach
B. Duodenum
C. Colon
D. All of these
Answer: A
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19. Brunner's glands occur in

A. Mucosa, duodenum
B. Mucosa, ileum
C. Submucosa, duodenum
D. Submucosa, ileum
Answer: C
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20. Brunner 's glands are intestinal glands and secrete

A. Mucus
B. Enzymes
C. Enzymes and mucus
D. None of these
Answer: A
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21. Which of the following papillae are without taste buds

in human tongue?
A. Circumvallate
B. Fungiform
C. Fusiform
D. Filiform
Answer: D
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