Islets of Langerhans are found as from Biology NEET Year 2010 Fr

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

21.

Skin is an accessory organ of respiration in

  • human

  • frog

  • rabbit

  • lizard


22.

Name the condition when the concentration of ketone body increases in urine.

  • Acromegaly

  • Diabetes mellitus

  • Diabetes insipidus

  • Cushing's disease


23.

Endemic goitre is a state of

  • increased thyroid function

  • normal thyroid function

  • decreased thyroid function

  • moderate thyroid function


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24.

Islets of Langerhans are found as

  • anterior pituitary

  • kidney cortex

  • spleen

  • endocrine pancreas


D.

endocrine pancreas

The pancreatic islets or islets of Langerhans are the regions of the pancreas that contain its endocrine, ie, hormone producing cells. It was discovered by Paul Langerhans. They consist of 1 to 2% of the pancreas volume and receive 10- 15% of its blood flow. These are irregularly shaped patches of endocrine tissue located within the pancreas of most vertebrates.


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25.

Which of the following is the function of adrenalin?

  • Helps in gastric juice secretion

  • Increases heart rate and blood pressure

  • Increases blood calcium

  • Helps in milk secretion


26.

Which of the following is not related to the autonomic nervous system?

  • Peristalsis

  • Digestion

  • Excretion

  • Memory and learning


27.

Comprehension of spoken and written words take place in the region of

  • association area

  • motor area

  • Wernicke's area

  • Broca's area


28.

Which one of the following cranial nerves is carying the nerve fibres originating from the Edinger-Westphal nucleus?

  • Oculomotor

  • Trochlear

  • Abducens

  • Vagus


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29.

How many laminae are present in the grey matter of spinal cord?

  • Four

  • Six

  • Eight

  • Ten


30.

Colour blindness is due to defect in

  • cones

  • rods

  • rods and cones

  • rhodopsin


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