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CBSE

Biology

NEET Biology : Chemical Coordination and Integration

111.

Which of the following statement is correct in relation to the endocrine system?

Adenohypophysis is under direct neural regulation of the hypothalamus
Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones
Non- nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones
Releasing and inhibitory hormones are produced by the pituitary gland

112.

Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom

Endocrine gland Hormone Function/ deficiency symptoms

Anterior pituitary Oxytocin Stimulates uterus contraction during child birth
Posterior pituitary Growth Hormone (GH) Oversecretion stimulates abnormal growth
Thyroid gland Thyroxine Lack of iodine in diet results in goitre
Corpus luteum Testosterone Stimulates spermatogenesis

113.

Which of the following pituitary hormones is secreted without the involvement of a Releasing Hormone (RH)?

114.

Which of the following hormones is a derivative of fatty acid?

115.

Cells die at the time of release of secretory materials in

116.

Melatonin is produced from

117.

Zymogenic cells of gastric gland secrete

118.

Which one of the following is called intra-specific chemical messenger?

119.

Which one of the following secretes glucagon?

120.

Which one of the following enzymes is responsible for the conversion of norepinephrine to epinephrine?

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Endocrine gland	Hormone	Function/ deficiency symptoms
Anterior pituitary	Oxytocin	Stimulates uterus contraction during child birth