thyroid and parathyroid glands MCQs with answers for neet-CBSE-JAC exams and lesson- endocrine glands and their function thyroid and parathyroid glands MCQs with answers for neet-CBSE-JAC exams
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mcq in biology thyroid gland
1) the thyroid gland is originated from which part of the embryo
A) ectoderm
B) mesoderm
C) endoderm
D) none
Ans. C
2) the thyroid gland is which of the following
A) trilobed
B) bilobed
C) tetralobed
D) hexalobed
Ans. B
3) the two lobes are connected by a narrow band is called as which of the following
A) isthmus
B) follicles
C) capsule
D) colloid
Ans. A
4) stroma of thyroid gland is enclosed by which part
A) isthmus
B) follicles
C) capsule
D) colloid
Ans. C
5) stroma of thyroid gland having which type of cells
A) isthmus
B) follicles
C) capsule
D) para follicular or C cells
Ans. D
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6) which hormone are secreted by thyroid glands
A) Tetraiodothyronine ( T4)
B) Triiodothyronine ( T3)
C) calcitonine
D) all of these
7) which of the following is thyroxine hormones
A) Tetraiodothyronine ( T4)
B) Triiodothyronine ( T3)
C) calcitonine
D) all of these
Ans. A
8) which hormone stimulates the thyroid gland to Secrets thyroxine hormone
A) thyrotrophin
B) calcitonine
C) prolactine
D) gonadotropin
Ans. A
9) thyroitrophine hormone released by which gland
A) thyroid gland
B) hypothalamus
C) anterior pituitary glands
D) posterior pituitary glands
Ans. A
10) which one of the following hormone is iodinated forms of amino acid tyrosine
A) Tetraiodothyronine ( T4)
B) Triiodothyronine ( T3)
C) calcitonine
D) both A and B
Ans. D
11) which hormone maintain the basal metabolic rate of our body
A) thyroxine
B) thyrotrophin
C) gonadotrophin
D) somatotrophin
Ans. A
12) which hormone affect the metamorphosis of tadpole into a adult frog
A) thyroxine
B) thyrotrophin
C) gonadotrophin
D) somatotrophin
Ans. A
13) which hormone promote growth of body tissue and development of mental faculty
A) thyroxine
B) thyrotrophin
C) gonadotrophin
D) somatotrophin
Ans. A
14) which hormones control the working of Kidneys
A) thyroxine
B) thyrotrophin
C) gonadotrophin
D) somatotrophin
Ans. A
thyroid and parathyroid glands MCQs with answers for neet-CBSE-JAC exams
15) Grave’s disease exophthalmic goitre is caused due to
A) hyposecretion of thyroxine hormone
B) hypersecretion of thyroxine hormone
C) both
D) none
Ans. B
16) excessive leanness is caused due to
A) hyposecretion of thyroxine hormone
B) hypersecretion of thyroxine hormone
C) both
D) none
Ans. B
17) what is the main cause for the increase of basal metabolic rate
A) hyposecretion of thyroxine hormone
B) hypersecretion of thyroxine hormone
C) both
D) none
Ans. B
18) exccessive thyroid hormone is released due to
A) enlargement of thyroid glands
B) contraction of thyroid glands
C) removal of thyroid gland
D) none
Ans. A
19) what is the main cause of cretinism in infant
A) hyposecretion of thyroxine hormone
B) hypersecretion of thyroxine hormone
C) both
D) none
Ans. A
20) slower basal metabolic rate is caused due to
A) hyposecretion of thyroxine hormone
B) hypersecretion of thyroxine hormone
C) both
D) none
Ans. A
21) Mxyoedema is caused by
A) deficiency of thyroid hormone in adults
B) deficiency of thyroid hormone in infants
C) deficiency of thyroid hormones in male only
D) over secretion of thyroid hormones
Ans. A
22) Cretinism is caused by
A) deficiency of thyroid hormone in adults
B) deficiency of thyroid hormone in infants
C) deficiency of thyroid hormones in male only
D) over secretion of thyroid hormones
Ans. B
23) iodine deficiency goitre is caused by
A) deficiency of iodine in the diet
B) over secretion of thyroid hormone
C) deficiency of thyroid hormone
D) none
Ans. A
24) which element it is required for the synthesis of thyroid hormones
A) iron
B) copper
C) iodine
D) bromine
Ans. C
25) overactivity of thyroid is known as which of following
A) hyperthyroidism
B) hypothyroidism
C) both
D) none
Ans. A
26) underactivity of thyroid is known as which of following
A) hyperthyroidism
B) hypothyroidism
C) both
D) none
Ans. B
27) which hormone is secreted by the C cells
A) Tetraiodothyronine ( T4)
B) Triiodothyronine ( T3)
C) calcitonine
D) all of these
Ans. C
28) what is the main function of calcitonin
A) it regulates the concentration of calcium and phosphorus in the blood
B) it regulate the concentration of iodine and phosphorus in blood
C) it regulate the concentration of iron and phosphorus in blood
D) it regulate the concentration of Copper and phosphorus in blood
Ans. A
29) what is the main cause of release of calcitonin in blood
A) it is secreted when calcium concentration rises in blood
B) it is secreted when calcium concentration decrease in blood
C) it is secreted when iron concentration increase in blood
D) it is secreted when iron concentration decrease in blood
Ans. A
■ parathyroid glands
30) the parathyroid glands is arises from which part of embryo
A) ectoderm
B) mesoderm
C) endoderm
D) none
Ans. C
31) where is parathyroid gland situated
A) in chest region
B) in abdominal cavity
C) in brain
D) posterior surface of the thyroid lobes
Ans. D
32) what is the number of parathyroid glands
A) 4 in number
B) 3 in number
C) 2 in number
D) 1 in number
Ans. A
33) what are the cells of parathyroid glands arrange in a compact mass
A) chief cells
B) oxyphils cells
C) C cells
D) both A and B
Ans. D
34) smaller cell present in parathyroid glands is
A) chief cells
B) oxyphils cells
C) C cells
D) both A and B
And. A
35) larger cell present in parathyroid Gland is
A) chief cells
B) oxyphils cells
C) C cells
D) both A and B
Ans. B
36) which hormone is secreted by parathyroid gland
A) Tetraiodothyronine ( T4)
B) Triiodothyronine ( T3)
C) calcitonine
D) parathormone
Ans. D
37) which hormone is known as Collip’s hormone
A) Tetraiodothyronine ( T4)
B) Triiodothyronine ( T3)
C) calcitonine
D) parathormone
Ans. D
38) which hormone is is function as opposite to calcitonin
A) Tetraiodothyronine ( T4)
B) Triiodothyronine ( T3)
C) calcitonine
D) parathormone
Ans. D
39) hyposecretion of parathormones hormones causes
A) hyperthyroidism
B) hypothyroidism
C) hypoparathyroidism
D) hyperparathyroidism
Ans. C
40) hypersecretion of parathormones hormones causes
A) hyperthyroidism
B) hypothyroidism
C) hypoparathyroidism
D) hyperparathyroidism
Ans. D
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