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Selina solutions for Concise Biology Class 10 Icse chapter 9 - The Excretory system [Latest edition]

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Concise Biology Class 10 Icse - Shaalaa.com

Chapter 9: The Excretory system

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

Selina solutions for Concise Biology Class 10 Icse Chapter 9 The Excretory system Exercise Multiple choice type [Page 120]

Multiple choice type | Q 1 | Page 120

Excretion primarily involves

  • Removal of all byproducts during catabolism

  • Removal of byproducts during anabolism

  • Removal of nitrogenous wastes

  • Throwing out excess of water

Multiple choice type | Q 2 | Page 120

Maximum amount of water from the glomerular filtrate is reabsorbed in 

  • Proximal convoluted tubule

  • Descending limb of loop of Henle

  • Ascending limb of loop of Henle

  • Distal convoluted tubule

Multiple choice type | Q 3 | Page 120

Which one of the following in real sense is NOT an excretory activity?

  • Giving out carbon dioxide

  • Passing out faecal matter

  • Sweating

  • Removal of urea

Multiple choice type | Q 4 | Page 120

In humans, urea is formed in

  • Ureter

  • Liver

  • Spleen

  • kidney

Selina solutions for Concise Biology Class 10 Icse Chapter 9 The Excretory system Exercise Very short answer type [Page 120]

Very short answer type | Q 1.1 | Page 120

Name the Following
The organ which produces urea.

Very short answer type | Q 1.2 | Page 120

Name the following: 

The outer region of kidney containing the Bowman’s capsule

Very short answer type | Q 1.3 | Page 120

Name the following: 

The tuft of capillaries inside the Bowman’s capsule 

Very short answer type | Q 1.4 | Page 120

Name the following : 

The part of kidney tubules where the term urine is first used for the fluid in it 

Very short answer type | Q 1.5 | Page 120

Name the following: 

The vein in which urea concentration is maximum 

Very short answer type | Q 2.1 | Page 120

Given below are   of five terms. Rewrite the terms in their correct order so as to be in logical sequence. 

Afferent arteriole, renal vein, capillary network, glomerulus, efferent arteriole. 

Very short answer type | Q 2.2 | Page 120

Given below are of five terms. Rewrite the terms in their correct order so as to be in logical sequence. 

Renal artery, urethra, ureter, kidney, urinary bladder. 

Very short answer type | Q 3.1 | Page 120

One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.

Glomerular filtrate, bowman’s capsule, ultrafiltration, glomerulus, blood plasma. 

Very short answer type | Q 3.2 | Page 120

One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.

Skin, liver, lungs, kidneys, excretion.

Very short answer type | Q 3.3 | Page 120

One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.

ADH, Water, pituitary, osmoregulation, urine 

Very short answer type | Q 3.4 | Page 120

One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.

CO2, bile pigments, water, excretion, urea.  

Selina solutions for Concise Biology Class 10 Icse Chapter 9 The Excretory system Exercise Short answer type [Page 121]

Short answer type | Q 1.1 | Page 121

Write down the functional activity of the following parts, 

Glomerulus ………………… 

Short answer type | Q 1.2 | Page 121

Write down the functional activity of the following parts, 

Henle's loop ……………… 

Short answer type | Q 1.3 | Page 121

Write down the functional activity of the following parts, 

Renal artery ……………… 

Short answer type | Q 1.4 | Page 121

Write down the functional activity of the following parts, 

Renal artery ……………… 

Short answer type | Q 1.5 | Page 121

Write down the functional activity of the following parts, 

Urethra …………………… 

 

Short answer type | Q 2 | Page 121

Why is excretion necessary? Name the common excretory substance in our body. 

Short answer type | Q 3 | Page 121

What is a uriniferous tubule? How does it function? 

Short answer type | Q 4 | Page 121

Why is it necessary to maintain a normal osmotic concentration of the blood? 

Short answer type | Q 5 | Page 121

If you donate one kidney to a needy patient, would it cause any harm to you? Give reason. 

Short answer type | Q 6 | Page 121

In summer the urine is slightly thicker than in winter explain the reason. 

Short answer type | Q 7.1 | Page 121

Differentiate between the following pairs of terms: 

Bowman’s capsule and malpighian capsule. 

Short answer type | Q 7.2 | Page 121

Differentiate between the following pairs of term : 

Renal cortex and renal medulla 

Short answer type | Q 7.3 | Page 121

Differentiate between the following pairs of term : 

Renal pelvis and renal papilla 

Short answer type | Q 7.4 | Page 121

Differentiate between the following pairs of term : 

Urea and urine 

Short answer type | Q 7.5 | Page 121

Differentiate between the following pairs of term : 

Excretion and katabolism 

Short answer type | Q 8 | Page 121

Name the main nitrogenous metabolic waste excreted out by mammals including humans. 

Short answer type | Q 9 | Page 121

Match the terms in Column I with those in Column II and write down the matching pairs 

  Column I  Column II
a Bowman's Capsule  Renal artery
b Contains more CO2 and less urea  Regulates amount of water excreted 
c Anti-diuretic hormone  Renal Vein
d Contains more urea  Glomerulus 
Short answer type | Q 10 | Page 121

In a nephron, the ………….. flows through the ………….. under great pressure. The reason for this great pressure is that the ………….. (outgoing) ………….. is narrower than the ………….. (incoming). This high pressure causes the………….. part of the blood to filter out from the ………….. into the renal capsule. 

Selina solutions for Concise Biology Class 10 Icse Chapter 9 The Excretory system Exercise Long answer type [Page 121]

Long answer type | Q 1.1 | Page 121

Define the following term : 

Ultrafiltration 

Long answer type | Q 1.2 | Page 121

Define the following term : 

Micturition 

Long answer type | Q 1.3 | Page 121

Define the following term : 

Renal pelvis 

Long answer type | Q 1.4 | Page 121

Define the following term:  

urea 

Long answer type | Q 1.5 | Page 121

Define the following term : 

Osmoregulation 

Long answer type | Q 2 | Page 121

Explain the terms ultrafiltration and selective absorption 

Long answer type | Q 3 | Page 121

What is dialysis? Under what condition is it carried out? 

Selina solutions for Concise Biology Class 10 Icse Chapter 9 The Excretory system Exercise Structured/Application/Skill type [Pages 121 - 122]

Structured/Application/Skill type | Q 1.1 | Page 121

Look at the figure given bellow, it is a section of human kidney as seen from the front.  

  

Is it a longitudinal section or a cross-section?

Structured/Application/Skill type | Q 1.2 | Page 121

Look at the figure given below. It is a section of human kidney as seen from the front.

Name the parts numbered 1-5.

Structured/Application/Skill type | Q 1.3 | Page 121

Look at the figure given below. It is a section of human kidney as seen from the front.

Which area/part (give its name and number given on the diagram) which contains the following:

(i) Malpighian capsule

(ii) The pyramids

(iii) Freshly collected urine

Structured/Application/Skill type | Q 2.1 | Page 121

Given alongside is the figure of certain organs and associated parts in the human body. Study the same and answer the questions that follow:

Name all the organ systems shown completely or even partially.

Structured/Application/Skill type | Q 2.2 | Page 121

Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:

Name the parts numbered 1 to 5.

Structured/Application/Skill type | Q 2.3 | Page 122

Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:

Name the structural and functional unit of the part marked '1'.

Structured/Application/Skill type | Q 2.4 | Page 122

Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:

Name the two main organic constituents of the fluid that flows down the part labeled '3'.

Structured/Application/Skill type | Q 2.5 | Page 122

Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:

Name the two major steps involved in the formation of the fluid that passes down the part labeled '3'.

Structured/Application/Skill type | Q 3.1 | Page 122

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply. 

 

Parts indicated by the guidelines 1 to 8 are as follows:
1. Afferent arteriole from renal artery
2. efferent arteriole
3. Bowman’s capsule
4. Glomerulus;
5. Proximal convoluted tubule with blood capillaries;
6. Distal convoluted tubule with blood capillaries;
7. collecting tubule;
8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Where does ultrafiltration take place?

Structured/Application/Skill type | Q 3.2 | Page 122

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.

Parts indicated by the guidelines 1to 8 are as follows:

1. Afferent arteriole from renal artery

2. Efferent arteriole

3. Bowman's capsule

4. Glomerulus

5. Proximal convoluted tubule with blood capillaries

6. Distal convoluted tubule with blood capillaries

7. Collecting tubule

8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Which structure contains the lowest concentration of urea?

Structured/Application/Skill type | Q 3.3 | Page 122

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.

Parts indicated by the guidelines 1to 8 are as follows:

1. Afferent arteriole from renal artery

2. Efferent arteriole

3. Bowman's capsule

4. Glomerulus

5. Proximal convoluted tubule with blood capillaries

6. Distal convoluted tubule with blood capillaries

7. Collecting tubule

8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Which structure contains the highest concentration of urea?

Structured/Application/Skill type | Q 3.4 | Page 122

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.

Parts indicated by the guidelines 1to 8 are as follows:

1. Afferent arteriole from renal artery

2. Efferent arteriole

3. Bowman's capsule

4. Glomerulus

5. Proximal convoluted tubule with blood capillaries

6. Distal convoluted tubule with blood capillaries

7. Collecting tubule

8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Which structure (normally) contains the lowest concentration of glucose?

Structured/Application/Skill type | Q 3.5 | Page 122

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.

Parts indicated by the guidelines 1to 8 are as follows:

1. Afferent arteriole from renal artery

2. Efferent arteriole

3. Bowman's capsule

4. Glomerulus

5. Proximal convoluted tubule with blood capillaries

6. Distal convoluted tubule with blood capillaries

7. Collecting tubule

8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Where is most water reabsorbed ?

Structured/Application/Skill type | Q 4.1 | Page 122

Given alongside is a highly simplified (but also somewhat wrong) diagram of the human kidney cut open longitudinally. Answer the question that follow.

Define excretion 

Structured/Application/Skill type | Q 4.2 | Page 122

Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:

Name the functional units of the kidneys.

Structured/Application/Skill type | Q 4.3 | Page 122

Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:

Why does the cortex of the kidney show a dotted appearance?

Structured/Application/Skill type | Q 4.4 | Page 122

Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:

Mention two functions of the kidney.

Structured/Application/Skill type | Q 4.5 | Page 122

Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:

Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.

Structured/Application/Skill type | Q 5.1 | Page 122

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

Name the region in the kidney where the above structure is present?

  

Structured/Application/Skill type | Q 5.2 | Page 122

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

Name the parts labelled 1, 2, 3, and 4.

Structured/Application/Skill type | Q 5.3 | Page 122

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

Name the stages involved in the formation of urine.

Structured/Application/Skill type | Q 5.4 | Page 122

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

What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.

Structured/Application/Skill type | Q 6.1 | Page 122

The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question :

Label parts 1, 2, 3 and 4.

Structured/Application/Skill type | Q 6.2 | Page 122

The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question :   

State the reason for the high hydrostatic pressure in the glomerulus.

Structured/Application/Skill type | Q 6.3 | Page 122

The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question :

Name the blood vessel which contains the least amount of urea in this diagram.

Structured/Application/Skill type | Q 6.4 | Page 122

The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question : 

Name the two main stages of urine formation.

Structured/Application/Skill type | Q 6.5 | Page 122

The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question :

Name the part of the nephron which lies in the renal medulla.

Chapter 9: The Excretory system

Multiple choice typeVery 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 9 - The Excretory system

Selina solutions for Concise Biology Class 10 Icse chapter 9 (The Excretory 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.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Concise Biology Class 10 Icse chapter 9 The Excretory system are Concept of Excretory System, Elementary Treatment of the Structure and Function of the Kidneys, Parts of the Urinary System, Ultra-filtration.

Using Selina Class 10 solutions The Excretory 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.

Get the free view of chapter 9 The Excretory system Class 10 extra questions for Concise Biology Class 10 Icse and can use Shaalaa.com to keep it handy for your exam preparation

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