Endemic goitre is a state of from Biology NEET Year 2010 Free So

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


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23.

Endemic goitre is a state of

  • increased thyroid function

  • normal thyroid function

  • decreased thyroid function

  • moderate thyroid function


A.

increased thyroid function

The most common type of goitre is endemic goitre, caused by iodine deficiency. Iodine is an essential nutrient that is required for the production of thyroid hormone. When iodine intake is low, thyroid hormone production is low, and in response the pituitary gland secretes greater quantities of the hormone thyrotropin or thyroid stimulating hormone (TSH). This excess thyrotropin stimulates not only thyroid hormone production but also thyroid growth.


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24.

Islets of Langerhans are found as

  • anterior pituitary

  • kidney cortex

  • spleen

  • endocrine pancreas


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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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