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Selina solutions for Concise Biology Class 10 Icse chapter 12 - The Endocrine System [Latest edition]

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Concise Biology Class 10 Icse - Shaalaa.com

Chapter 12: The Endocrine System

Multiple choice questionVery short answer typeShort answer typeLong answer typeStructured/Application/Skill type

Multiple choice question [Page 162]

Selina solutions for Concise Biology Class 10 Icse Chapter 12 The Endocrine System Multiple choice question [Page 162]

Multiple choice question | Q 1 | Page 162

A gland having endocrine as well as exocrine function is

  • Pituitary

  • Thyroid

  • Pancreas

  • adrenal

Multiple choice question | Q 2 | Page 162

Exophthalmic goitre is caused due to the over activity of

  • thymus

  • thyroid

  • parathyroid

  • adrenal cortex

Multiple choice question | Q 3 | Page 162

The deficiency of ADH causes:

  • diabetes mellitus

  • diabetes insipidus

  • dwarfism

  • acromegaly

Very short answer type [Page 162]

Selina solutions for Concise Biology Class 10 Icse Chapter 12 The Endocrine System Very short answer type [Page 162]

Very short answer type | Q 1.1 | Page 162

Name the following: 

The three hormones produced by pancreas 

Very short answer type | Q 1.2 | Page 162

Name the following: 

The hormone produced by adrenal medulla 

Very short answer type | Q 1.3 | Page 162

Name the following: 

The condition caused by the over secretion of insulin 

Very short answer type | Q 1.4 | Page 162

The hormone secreted by β (beta) cells of the islets of Langerhans 

 

Very short answer type | Q 1.5 | Page 162

Name the following: 

The hormone which increases blood pressure 

Very short answer type | Q 1.6 | Page 162

Name the following: 

The hormone causing more urine formation 

 

Very short answer type | Q 1.7 | Page 162

Name the following: 

The hormone which stimulates the entire sympathetic nervous system. 

Very short answer type | Q 2 | Page 162

What would a child suffer from, if there was hyposecretion from his thyroid? 

 

Very short answer type | Q 3.1 | Page 162

Choose the odd one out from each series 

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

Very short answer type | Q 3.2 | Page 162

Choose the odd one out from each series 

The conditions – cretinism, myxoedema, goiter, scurvy
…………………………………………. 

Very short answer type | Q 3.3 | Page 162

Choose the odd one out from each series 

The hormones – insulin, glucagon, cretinism, thyroxine
…………………………………………. 

Very short answer type | Q 3.4 | Page 162

Choose the odd one out from each series 

The hormonal sources – adrenal cortex, adrenal medualla, cortisone, pituitary.
…………………………………………….. 

Very short answer type | Q 4 | Page 162

Match the items of column I with those of column II  

  Column I    Column II
1 β  (beta) cells of islets of
Langerhans
a condition due to undersecretion of
thyroxine in adults  
2 Thyroid  b Glucocorticoids 
3 Cretinism  c Exophthalmic goitre 
4 Addison's disease  d Increases heart beat 
5 Hypothyroidism  e Thyroxine 
6 Myxoedema  f Adrenal cortex 
7 Adrenaline Under secretion of
thyroxine in a
child
h Under secretion of
thyroxine in a
child

 

Very short answer type | Q 5 | Page 162

match the conditions in column A with the cause in column B. 

  A (Condition)    B (Cause) 
a Dwarfism and mental retardation 1 shortage of glucose in blood 
b Diabetes mellitus 2 Over secretion of growth hormone 
c Excess of glucose in blood  3 Insulin shock 
d Gigantism  4 Over secretion of thyroxine 
e Enlargement of breasts in adult males  5 Hypothyroidism 
f Exophthalmic goitre  6 Over secretion of cortical hormones 
Very short answer type | Q 6.1 | Page 162

Identify the odd one in each of the following and mention what the rest are: 

Larynx; glucagon; testosterone; prolactin…………………………………….. 

Very short answer type | Q 6.2 | Page 162

Identify the odd one in each of the following and mention what the rest are: 

Adrenaline; penicillin; insulin; thyroxin………………………………… 

Very short answer type | Q 6.3 | Page 162

Identify the odd one in each of the following and mention what the rest are: 

Stomach ; ileum; liver; adrenaline………………………………….. 

Very short answer type | Q 6.4 | Page 162

Identify the odd one in each of the following and mention what the rest are: 

TSH; GH; ADH; Insulin…………………………………….  

Very short answer type | Q 6.5 | Page 162

Identify the odd one in each of the following and mention what the rest are: 

Iodine, cretinism, goiter, myxedema…………………………………. 

Short answer type [Pages 163 - 164]

Selina solutions for Concise Biology Class 10 Icse Chapter 12 The Endocrine System Short answer type [Pages 163 - 164]

Short answer type | Q 1.1 | Page 163

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer. 

Adrenaline is often described as emergency hormone 

  • True

  • False

Short answer type | Q 1.2 | Page 163

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer. 

There are two kinds of diabetes (mild and severe) related with two different hormones. 

  • True

  • False

Short answer type | Q 1.3 | Page 163

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer.  

Simple goiter can be prevented by using iodised salt in food. 

  • True

  • False

Short answer type | Q 1.4 | Page 163

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer. 

Pituitary is popularly called the master gland 

  • True

  • False

Short answer type | Q 1.5 | Page 163

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer. 

Harmones ‘obey’ the commands like ‘enough, slow down or ‘two little, speed up’ 

  • True

  • False

Short answer type | Q 1.6 | Page 163

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer. 

Gigantism and dwarfirm in humans basically depend on the qualtity and quantity of the food eaten during early growing age. 

  • True

  • False

Short answer type | Q 2 | Page 163

How do endocrine glands differ from other glands? 

Short answer type | Q 3 | Page 163

Mention any two differences between a hormone and an enzyme. 

 

Short answer type | Q 4 | Page 163

Do you agree with the statement – “ All hormones are chemical signals”? Yes / No . Justify your answer. 

Short answer type | Q 5 | Page 163

Why is iodine as a nutrient, important to our body? 

 

Short answer type | Q 6 | Page 163

If you stand to make your maiden speech before a large audience your mouth dries up and heart rate increases. What brings about these changes? 

Short answer type | Q 7 | Page 163

If one adrenal gland is removed, the other one gets enlarged to some extent. How do you explain this change? 

Short answer type | Q 8 | Page 163

Name the two kinds of diabetes? Mention their symptoms and the causes. 

 

Short answer type | Q 9 | Page 163

People living in the low Himalayan hilly regions often suffer from goiter. What could be the possible reason for it? 

Short answer type | Q 10 | Page 163

Given below is a table designed to give the names of the glands, the hormones produced, their chief functions, the effects of over secretion and under secretion in respect of thyroid, pituitary and pancreas. Fill up the blanks 1-13 

Sl. No. Source Gland cells Hormone produced Chief function Effect of over secretion Effect of under secretion 
1 (1) ………. thyroxine  (2) ……….  (3) ………. (4) ……….
2 Beta cells of Islets of Langerhans (5) ……  Promotes glucose utilization by the body cells (6) ………. (7) ………. 
3 (8) ……….  Growth hormone  (9) ……… (10) ………. Dwarfism 
4 (11) ……  Vasopressin  Increases reabsorption of water from kidney tubule (12) ………. (13) ………. 

 

Short answer type | Q 11 | Page 163

Complete the following table by filling in the blanks numbers 1 to 7?  

Gland Hormone secreted  Effect on body
(1) ………. (2) ……….  Regulates basal metabolism
Pancreas ("beta" cells) (3) ………. Controls blood sugar level
(4) ………. (5) ……….  Increases heart beat
(6) ………. Thyroid stimulating hormone (7) ………. 
Short answer type | Q 12 | Page 164

Complete the following table by filling in the blank spaces numbered 1 to 8: 

Gland Secretions Effect on body
(1) ……….. oestrogen (2) ………..
Alpha cells of islets of Langerhans (3) ………..  (4) ………..
(5) ……….. (6) ……….. Protruding eyes
(7) ……….. (8) ……….. Gigantism 

 

Long answer type [Page 164]

Selina solutions for Concise Biology Class 10 Icse Chapter 12 The Endocrine System Long answer type [Page 164]

Long answer type | Q 1 | Page 164

Compare the hormonal response with the nervous response with respect to their speed, transmission and the general nature of changes brought about.  

Long answer type | Q 2 | Page 164

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

Structured/Application/Skill type [Pages 164 - 165]

Selina solutions for Concise Biology Class 10 Icse Chapter 12 The Endocrine System Structured/Application/Skill type [Pages 164 - 165]

Structured/Application/Skill type | Q 1.1 | Page 164

Study the diagram given below and then answer the question that follow: 

Name the cells of the pancreas that produce
(1) glucagon
(2) Insulin

Structured/Application/Skill type | Q 1.2 | Page 164

Study the diagram given below and then answer the question that follows:

State the main function of (1) glucagon and (2) insulin.

Structured/Application/Skill type | Q 1.3 | Page 164

Study the diagram given below and then answer the question that follows:

Why is the pancreas referred to as an exo-endocrine gland?

Structured/Application/Skill type | Q 1.4 | Page 164

Study the diagram given below and then answer the question that follow:

Why is insulin not given orally but is injected into the body?

Structured/Application/Skill type | Q 1.5 | Page 164

Study the diagram given below and then answer the question that follows:

What is the technical term for the cells of the pancreas that produce endocrine hormones?

Structured/Application/Skill type | Q 1.6 | Page 164

Study the diagram given below and then answer the question that follows:

Where in the body is the pancreas located?

Structured/Application/Skill type | Q 2.1 | Page 164

Given alongside is a portion from the human body showing some important structure in ventral (front) view.

Where is this portion located in the body?

Structured/Application/Skill type | Q 2.2 | Page 164

Given below is a portion from the human body showing some important structure in ventral (front) view.

Name the structures numbered 1-3.

Structured/Application/Skill type | Q 2.3 | Page 164

Given below is a portion from the human body showing some important structure in ventral (front) view.

State one main function of each of the structures named above.

Structured/Application/Skill type | Q 2.4 | Page 164

Given below is a portion from the human body showing some important structure in ventral (front) view.

 Is there any duct to carry the secretions from the structure numbered 2 ? If so, give its name.

Structured/Application/Skill type | Q 3.1 | Page 164

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

Name the parts numbered 1 to 4

Structured/Application/Skill type | Q 3.2 | Page 164

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

What is common to all these parts in regard to the nature of their functions?

Structured/Application/Skill type | Q 3.3 | Page 164

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

Name the nutrient element which is essential for the normal working of part 2.

Structured/Application/Skill type | Q 4.1 | Page 165

Given below are two diagram (one is correct the other is some hwat incorrect) showing the transport of a hormone from its source gland/ cell to the target organ/ cell.

Which one has the error A or B ? 

Structured/Application/Skill type | Q 4.2 | Page 165

Given below are two diagrams (one is correct, the other one is somewhat incorrect) showing the transport of a hormone from its source gland/cell to the target organ/cell.

What is the error?

Chapter 12: The Endocrine System

Multiple choice questionVery short answer typeShort answer typeLong answer typeStructured/Application/Skill type
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Concise Biology Class 10 Icse - Shaalaa.com

Selina solutions for Concise Biology Class 10 Icse chapter 12 - The Endocrine System

Selina solutions for Concise Biology Class 10 Icse chapter 12 (The Endocrine System) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Biology Class 10 Icse solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Concise Biology Class 10 Icse chapter 12 The Endocrine System are Concept of Endocrine System, Endocrine System -adrenal Gland, Endocrine System -pancreas Gland, Endocrine System -thyroid Gland, Endocrine System -pituitary Gland, Difference in Endocrine and Exocrine Glands.

Using Selina Class 10 solutions The Endocrine System exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 10 prefer Selina Textbook Solutions to score more in exam.

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