Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

11.

Name the hormone that stimulates the secretion of gastric juice.

  • Renin

  • Enterokinase

  • Enterogastrone

  • Gastrin


12.

Bile salts acts as activator of which enzyme?

  • Pepsinogen

  • Trypsinogen

  • Lipase

  • Pancreatic amylase


13.

Heparin is produced by

  • kidney cells

  • blood cells

  • bone marrow

  • Chief cell


14.

Which of the following cells produce HCl?

  • β- cell

  • α- cell

  • Oxyntic cell

  • Chief cell


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15.

Which ribs show 'bucket-handle' type of movement?

  • Rib no. 1-2

  • Rib no. 3-5

  • Rib no. 6-10

  • Rib no. 11-12


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16.

In which of the following subjects, the dead space is highest?

  • Old man

  • Old woman

  • Young man

  • Young woman


A.

Old man

Dead space is the air that is inhaled by the body in breathing, but does not take part in gas exchange. Not all the air in each breath is able to be used for the exchange of oxygen and carbon dioxide. About a third of every resting breath is exhaled exactly as it came into the body. In adults, it is usually in the range of 150 mL. In old man, there is low supply of blood to lungs than woman and hence, they have high dead space.Low supply of blood leads to carrying of less air (oxygen). So as increase in dead space.


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17.

Which one has the thickest wall?

  • Right auricle

  • Right ventricle

  • Left auricle

  • Left ventricle


18.

The cardiac cycle in normal subject is about

  • 0.5 s

  • 0.8 s

  • 1.0 s

  • 1.2 s


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19.

What is glycosuria?

  • Low amount of sugar in urine

  • Low amount of fat in urine

  • Average amount of carbohydrate in urine

  • High amount of sugar in urine


20.

Volume of urine is regulated by

  • aldosterone

  • aldosterone and testosterone

  • ADH

  • aldosterone and ADH


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