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NEET Exam  >  NEET Tests  >  Assertion Reason Test: Chemical Coordination & Integration - NEET MCQ

Assertion Reason Test: Chemical Coordination & Integration - NEET MCQ


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10 Questions MCQ Test - Assertion Reason Test: Chemical Coordination & Integration

Assertion Reason Test: Chemical Coordination & Integration for NEET 2024 is part of NEET preparation. The Assertion Reason Test: Chemical Coordination & Integration questions and answers have been prepared according to the NEET exam syllabus.The Assertion Reason Test: Chemical Coordination & Integration MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion Reason Test: Chemical Coordination & Integration below.
Solutions of Assertion Reason Test: Chemical Coordination & Integration questions in English are available as part of our course for NEET & Assertion Reason Test: Chemical Coordination & Integration solutions in Hindi for NEET course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Assertion Reason Test: Chemical Coordination & Integration | 10 questions in 10 minutes | Mock test for NEET preparation | Free important questions MCQ to study for NEET Exam | Download free PDF with solutions
Assertion Reason Test: Chemical Coordination & Integration - Question 1
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A: Diabetes insipidus is marked by excessive urination and too much thirst for water.

R: Antidiuretic hormone (ADH) is released by the posterior lobe of pituitary gland.

Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 1
Diabetes insipidus is marked by excessive loss of urination and consquently too much thirst for water. ADH is released by the posterior pituitary.

Assertion Reason Test: Chemical Coordination & Integration - Question 2
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A: Insulin is not given orally.

R: Insulin hormone is lipid soluble and directly enters inside the cell membrane.

Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 2
Insulin is not given orally because it is an amino hormone if they are not able to cross the intestinal mucosa.

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Assertion Reason Test: Chemical Coordination & Integration - Question 3
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A: Chorionic gonadotropin prevents the corpus luteum from involuting.

R: It has properties similar to luteinizing hormones.

Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 3
Human chorionic gonadotropin is secreted by the placenta which is known to be alnalogous to the LH (Luteinising hormone) secreted by anterior pituitary of both females and males.

Assertion Reason Test: Chemical Coordination & Integration - Question 4
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A: Thyroxine shows calorigenic effect.

R: Thyroxine increases catabolism, produces energy and increases body temperature.
Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 4
Thyroxine shows calorigenic effect, because thyroxine increases catabolism, produces energy and increases body temperature by increased oxygen consumption and rates of ATP hydrolysis.

Assertion Reason Test: Chemical Coordination & Integration - Question 5
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A: Inhibin is secreted by the corpus luteum.

R: They inhibit the FSH and GnRH production.
Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 5
Inhibin is secreted by corpus luteum. It is  a gonadal hormone that exerts a specific negative feedback action of the secretion of FSH and LH from gonadotrophic cells of the pituitary gland.

Assertion Reason Test: Chemical Coordination & Integration - Question 6
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A: Our body secretes adrenaline in intense cold.

R: Adrenaline raises metabolic rate.
Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 6
It was reported that intense cold exposure results in the secretion of adrenal medullary hormone adrenaline which raises the metabolic rate.

Assertion Reason Test: Chemical Coordination & Integration - Question 7
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A: Occasionally mammary glands are functional in males and the condition is called gynaecomastia.

R: Decreased testosterone in later life may also lead to gynaecomastia. It is usually due to perturbation of estrogen to androgen ratio.
Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 7
Gynaecomastia is the abnormal development of mammary glands in males.

In later life the fat deposition increases which results in increased secretion of oestrogen. Due to this hormone perturbation, gynaecomastia.

Assertion Reason Test: Chemical Coordination & Integration - Question 8
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A: Prolactin is unique among the pituitary hormones as it is under predominant inhibitory control of hypothalamus.

R: The controlling agent is neurotransmitter dopamine produced by tuberoinfundibular neurons.
Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 8
Prolactin is unique among the pituitary hormones as it is predominant inhibitory control of hypothalamus. The controlling agent is prolactin inhibiting hormone (PIH)/ dopamine which are produced by tubero infundibular neurons.

Assertion Reason Test: Chemical Coordination & Integration - Question 9
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A: Ethanol is a diuretic agent.

R: It inhibits vasopressin secretion.
Assertion Reason Test: Chemical Coordination & Integration - Question 10
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A: Oxytocin stimulates contraction of uterine muscles during birth and initiates ejection of milk.

R: It is synthesized in the posterior lobe of pituitary.
Detailed Solution for Assertion Reason Test: Chemical Coordination & Integration - Question 10
Oxytocin stimulates uterine muscles during birth and initiates ejection of milk.

It is released through the axon of neurosecretory cells of hypothalamus into the posterior pituitary.

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