Given below is an incomplete table on hormones- their source glands and one major effect of each on human body- Identify the option representing the correct replacements for the incomplete blocks beginarray -1- 1- WhineGland-Secretion - Effect - 0 n - bodylllhlineA - Oestrogen - Maintenance of - secondary - 11- - sexual characterslllhline Alpha cells of - Islets - - B - Raises - blood sugar levell-of Langerhans - Whline Anterior pituitary - C - Over secretion leads - to - gigantismillhline end array A- A-Ovary- B-Glucagon- C-Growth hormoneB- A-Placenta- B-Insulin- C-VasopressinC- A-Ovary- B-Insulin- C- CalcitoninD- A-Placenta- B- Glucagon- C- Calcitonin

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Standard X

Biology

Endocrine Glands

Given below i...

Question

Given below is an incomplete table on hormones, their source glands and one major effect of each on human body. Identify the option representing the correct replacements for the incomplete blocks
$\begin{matrix} G l a n d & S e c r e t i o n & E f f e c t o n b o d y A & O e s t r o g e n & M a i n t e n a n c e o f s e c o n d a r y s e x u a l c h a r a c t e r s A l p h a c e l l s o f I s l e t s & B & R a i s e s b l o o d s u g a r l e v e l o f L a n g e r h a n s A n t e r i o r p i t u i t a r y & C & O v e r s e c r e t i o n l e a d s t o g i g a n t i s m \end{matrix}$

A-Ovary, B-Glucagon, C-Growth hormone

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A-Placenta, B-Insulin, C-Vasopressin

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A-Ovary, B-Insulin, C- Calcitonin

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A-Placenta, B- Glucagon , C- Calcitonin

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Solution

The correct option is A A-Ovary, B-Glucagon, C-Growth hormone
The correct option for the three blanks A, B and C are ovary, glucagon and growth hormone respectively. Estrogens are secreted by the Graafina follicle, which surrounds tha mature ovum in the ovary. They stimulate the female reproductive tract to grow to full size and become functional. They also stimulate the differentiation of ova (oogenesis) in the ovary and stimulate the development of accessory sex characters such as enlargement of breasts, broadening of pelvis, growth of public and auxiliary hair, deposition of fat in the thigh; and onset of menstrual cycle. Glucagon is secreted by the alpha cells of the islets of Langerhans in response to a fall in the blood glucose level. Somatotrophic or growth hormone (STH or GH) or somatotrophin hormone is secreted by the anterior lobe of pituitary. Growth hormone stimulates growth and development of all tissues by accelerating protein – synthesis and cell – division and by retaining calcium in the body. Over secretion of growth hormone leads to gigantism.

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Given below is an incomplete table on certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C.
$\begin{matrix} G l a n d s & S e c r e t i o n & E f f e c t o n B o d y A & O e s t r o g e n & M a i n t e n a n c e o f s e c o n d a r y s e x u a l c h a r a c t e r s A l p h a c e l l s o f I s l e t s o f L a n g e r h a n s & B & R a i s e s b l o o d s u g a r l e v e l A n t e r i o r p i t u i t a r y & C & O v e r s e c r e t i o n l e a d s t o g i g a n t i s m V i s u a l p i g m e n t & I o d o p s i n & R h o d o p s i n \end{matrix}$

Q. Identify blanks a, b and c.
(i) a - Oestrogen - Maintenance of secondary sexual characters
(ii)

α

- cells of islets of Langerhans - b - Raises blood sugar level
(iii) Anterior pituitary - c - Oversecretion leads to gigantism

Q. Given below is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C.

Glands	Secretion	Effect on body
A	Oestrogen	Maintenance of secondary sexual character
Alpha cells of Islets of Langerhans	B	Raises blood sugar level
Anterior pituitary	C	Over secretion leads to gigantism

Q. Given is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Select the option that correctly fills the blanks A, B and C.

Glands	Secretion	Effect on body
A	Estrogen	Maintenance of secondary sexual characters
Alpha cells of islets of Langerhans	B	Raise blood sugar level
Anterior pituitary	C	Oversecretion leads to gigantism

Q. Identify the labels A-D in the diagram below. Take the help of the hints that follow for correct identification.

A - endocrine portion of pancreas
B - cells that secrete somatostatin
C - cells that secrete glucagon
D - cells that secrete insulin

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