Q. 95.0( 1 Vote )

Label parts 1 to 6 in the given figure of the brain.



i. Answer the following:

(a) Which hormone is responsible for the changes noticed in females at puberty?

(b) Dwarfism results due to deficiency of which hormone?

(c) Blood sugar level rises due to deficiency of which hormone?

(d) Iodine is necessary for the synthesis of which hormone?

(e) Which hormone controls the metabolism of calcium and phosphorus in human beings?

ii. Give an example of a plant hormone that promotes growth.

Answer :

(i) (a) Oestrogen hormone is responsible for the changes noticed in females at puberty. Oestrogen is, therefore, also known as the female hormone. The various changes noticed during puberty are enlargement of the breast, hair growth of hair in armpits, widening of hips and appearance of pubic hair, height growth and the onset of menstruation.


(b) Dwarfism results due to deficiency of growth hormone.


Growth hormone is released by the anterior pituitary gland. Its deficiency or excessive release can cause height disorders like dwarfism and gigantism respectively.


(c) Blood sugar level rises due to deficiency of Insulin hormone. It is a hormone produced by beta cells of pancreatic islets. It keeps a check on the increase in blood sugar level.


(d) Iodine is necessary for the synthesis of Thyroxine hormone.


(e) Parathyroid hormone (PTH) secreted by parathyroid gland controls the metabolism of calcium and phosphorus in human beings.


(ii) Auxin is an example of plant growth hormone. It is found at the growing tips of root and shoot. It helps in apical growth of the plant.


The height of the stem and the length of the roots increases because of auxin.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Alphabet TestAlphabet TestAlphabet Test46 mins
Genius Quiz | Alphabet Test and Alphanumeric SeriesGenius Quiz | Alphabet Test and Alphanumeric SeriesGenius Quiz | Alphabet Test and Alphanumeric Series49 mins
ScoreUp - A Year Long Foundation Course for Class 10ScoreUp - A Year Long Foundation Course for Class 10ScoreUp - A Year Long Foundation Course for Class 1024 mins
Champ Quiz | Alphabet TestChamp Quiz | Alphabet TestChamp Quiz | Alphabet Test47 mins
GTSE Sample Paper & Imp Q. DiscussionGTSE Sample Paper & Imp Q. DiscussionGTSE Sample Paper & Imp Q. Discussion35 mins
GTSE Sample Paper DiscussionGTSE Sample Paper DiscussionGTSE Sample Paper Discussion59 mins
What is a DNA TestWhat is a DNA TestWhat is a DNA Test38 mins
GTSE Sample Paper & Imp Q. DiscussionGTSE Sample Paper & Imp Q. DiscussionGTSE Sample Paper & Imp Q. Discussion28 mins
IEO Sample Paper DiscussionIEO Sample Paper DiscussionIEO Sample Paper Discussion39 mins
Sample Paper DiscussionSample Paper DiscussionSample Paper Discussion43 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses