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.
$\begin{matrix} G l a n d s & S e c r e t i o n & E f f e c t o n B o d y A & O e s t r o g e n & M a i n t e n a n c e o f s e c o n d a r y s e x u a l c h a r a c t e r s A l p h a c e l l s o f I s l e t s o f L a n g e r h a n s & B & R a i s e s b l o o d s u g a r l e v e l A n t e r i o r p i t u i t a r y & C & O v e r s e c r e t i o n l e a d s t o g i g a n t i s m V i s u a l p i g m e n t & I o d o p s i n & R h o d o p s i n \end{matrix}$

A-Placenta; B-Glucagon; C-Calcitionin

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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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Solution

The correct option is B
A-Ovary; B-Glucagon; C-Growth hormone

Oestrogen is a steroidal hormone secreted by the ovaries that plays a role in the development and maintenance of secondary sexual characters in females.
Glucagon is a peptide hormone secreted by the alpha cells of Islets of Langerhans and helps increase the blood sugar level of the body. It is antagonistic to insulin and inhibits glycogenesis.
Growth hormone (GH) or Somatotrophic hormone (STH) is secreted by the anterior lobe of the pituitary gland and it helps stimulate growth by stimulating protein synthesis. Over secretion of this hormone leads to gigantism.

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Similar questions

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. 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

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. Explain the following: [3 MARKS]
(a) Role of insulin in maintaining blood sugar level.
(b) Acceleration of body growth during puberty.
(c) Regulation of secondary sexual characters by the pituitary gland.

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