English
Tamil Nadu Board of Secondary EducationHSC Science Class 11

Comment on the functions of adrenalin. - Zoology

Advertisements
Advertisements

Question

Comment on the functions of adrenalin.

Short Note

Solution

Adrenalin increases liver glycogen breakdown into glucose and increases the release of fatty acids from fat cells. During an emergency, it increases heartbeat rate and blood pressure. lt stimulates the smooth muscles of cutaneous and visceral arteries to decrease blood flow. It increases blood flow to the skeletal muscles and nervous tissue.

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Chemical Coordination and Integration - Evaluation [Page 221]

APPEARS IN

Samacheer Kalvi Zoology [English] Class 11 TN Board
Chapter 11 Chemical Coordination and Integration
Evaluation | Q 27. | Page 221
Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board
Chapter 11 Chemical Coordination and Integration
Evaluation | Q 27. | Page 214

RELATED QUESTIONS

Hormones Target gland
Thyrotrophin (TSH) ______

Give an example of a blood pressure lowering hormone.


add a note on deficiency of thyroxine.


In the table given below, fill in the blanks by naming endocrine glands, the hormones they secrete, and the function they perform, in a normal person.

S.No. Name of the gland produced Function
1. Thyroid    
2.   Insulin  
3.     Preparing the body for action
4.   (i) Growth hormone
(ii) Thyroid-stimulating hormone
 

Define the following:

Endocrine glands


A gland having endocrine as well as exocrine function is


Choose the odd one out from each series 

The glands – thyroid, adrenal, pituitary, prostate
………………………………………… 


Mention any two differences between a hormone and an enzyme. 

 


Mention three important differences between the action of hormones and that of nerves in the regulatory mechanism of our body.


Given alongside is an outline diagram of human body showing position of certain organs.

  1. Name the parts numbered 1 to 4.
  2. What is common to all these parts in regard to the nature of their functions?
  3. Name the nutrient element which is essential for the normal working of part 2.

 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong : 
Example : glucose, starch, cellulose, calcium
Odd term : calcium
Category : others are different types of carbohydrates 
Addison’s disease, Cushing’s Syndrome, Acromegaly, Leukemia 


Which glands are responsible for the following disease?
(i) Goitre (ii) Diabetes mellitus (iii) Gigantism
(iv) Diabetes insipidus (v) Cretinism (vi) Exophthalmic goiter


Make a table indicating the glands, hormones produced, their main functions and diseases caused due to their hypo and hypersecretions.


Choose the correct answer:
Which one of the following is not an endrocine gland?


What do you mean by endocrine system?


What are the general properties of hormones?


Complete the following:

Gland/Organ Hormone Function
(i) Stomach __________ __________
(ii) Parathyroid __________ __________
(iii) __________ __________ Lowers blood sugar level.
(iv) Adrenal medulla __________ __________
(v) Pancreas (Alpha cells) __________ __________
(vi) Testes __________ __________

Give the Technical Term: Name two hormones secreted by the alimentary canal.


Give the Technical Term: Name a hormone which controls developments of male secondary sexual characters.


Give the Technical Term: Name the glands which secrete the following hormone: Relaxin


Fill in the Blanks:

______ is called father of endocrinology.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Hormones are chemically protein.


Given below is an outline of the human body showing the important glands.

(i) Name the glands marked 1 to 5.
(ii) Name the hormone secreted by 2. Give one important function of this hormone.
(iii) Name the endocrine cells present in part 3.
(iv) Name the hormone secreted by part 3. Give one important function of this hormone.


State the Function

Progesterone


Choose the Odd One Out


Choose the Odd One Out


Choose the Odd One Out


Choose the Odd One Out


Leydig cells are meant for:


The maintenance of constant internal environment is referred as ______.


Which of the following are exclusive endocrine glands?


Which of the following gland is related with immunity?


which of the given option shows all wrong statements for thyroid gland

Statements

  1. It inhibits process of RBC formation
  2. It helps in maintenance of water and electrolytes
  3. Its more secretion can reduce blood pressure
  4. It Stimulates osteoblast

Write the role of oestrogen in ovulation?


Growth hormone is important for normal growth. Justify the statement.


Write a detailed account of gastro intestinal tract hormones.


Define the following term:

Endocrine system


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×