How is communication among the parts of an organism is accomplis

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 Multiple Choice QuestionsShort Answer Type

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101. How is communication among the parts of an organism is accomplished ?


Endocrine system is controlled by brain. Hypothalamus secretes releasing hormones which excite synthesis of various hormones from pituitary gland. The hormones of pituitary gland regulate hormonal release from thyroid, adrenal gland, gonads etc.

Hormonal response is selective but specific.

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 Multiple Choice QuestionsOne Word Answers

102.

Give examples on .

(1) Hyperglycemic hormone and hypoglycemic hormone.

(2) Hvpercalcemic hormone

(3) Gonadotrophic hormones

(4) Progestatinal hormones

(5) Blood pressure lowering hormone

(6) Androgens and estrogens.

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 Multiple Choice QuestionsShort Answer Type

103.

Which hormonal deficiency is responsible for the following :

(1) Diabetes mellitus (2) Goitre (3) Cretinism.

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 Multiple Choice QuestionsFill In the Blanks

104. Hormones                                   Target Gland
(a)Hypothalamic hormones           .................

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105. Hormones                                   Target Gland

Thyrotrophin (TSH)                      ................
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106. Hormones                               Target Gland

 Corticotrophin (ACTH)             .................
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107.  Hormones                                   Target Gland

(d) Gonadotrophins (LH, FSH)          ..........
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108. Hormones                                   Target Gland

Melanotrophins (MSH)                 .................
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 Multiple Choice QuestionsMatch The Following

109. Match column I with column II.
A. Tn (i) Thyroid
B. PTH (ii) Thyroid
C. GNRH (iii) Pituitary
D. LH (iv)  Parathyroid
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110. Match column I with column II
A. Smooth muscle (i) Myoglobin
B. Tropomyosin  (ii) Thin filament
C.  Red muscle (iii) Sutures
D. Skull  (iv) Involuntary
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