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Selina solutions for Class 10 Biology chapter 6 - The Circulatory System

Selina ICSE Concise Biology for Class 10

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Selina Selina ICSE Concise Biology Class 10

Selina ICSE Concise Biology for Class 10

Chapter 6 : The Circulatory System

Page 0

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

Agranulocytes are:
(a) lymphocytes and monocytes
(b) lymphocytes and basophils
(c) eosinophils and basophils
(d) eosinophils and monocytes

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

White blood cells engulf bacteria in a process called:
(a) diapedesis
(b) phagocytosis
(c) active transport
(d) passive transport

Page 0

Given below is certain structure, write the term for the functional activity.
Blood platelets and …………………………….

Given below is certain structure, write the term for the functional activity.

Neutrophils and …………………………………..

Given below is certain structure, write the term for the functional activity.

Erythrocytes and …………………………………

Given below is certain structure, write the term for the functional activity.

Lymphocytes and ………………………………...

Given below is certain structure, write the term for the functional activity.

Bone marrow and ………………………………..

Name the following:
The cells which transport oxygen to the different parts of the human body.

Name the following:

The cells that initiate blood clotting.

Page 0

Enumerate the structural differences between white blood cells and red blood cells.

Why is it necessary to know the blood groups before giving transfusion?

Differentiate between members of the following pair with reference to phrase in
bracket:

Antibodies and antibiotics (Source)

Differentiate between members of the following pair with reference to phrase in
bracket:

RBC and WBC (structure)

Differentiate between members of the following pair with reference to phrase in
bracket:

serum and vaccine (Composition)

Complete the following statement by filling in the blank from the choices given in the brackets.
An anticoagulant present in the blood is ………….(heparin, hirudin, thromboplastin, calcium).

Page 0

What are the functions of blood plasma?

What are the main steps in coagulation of blood?

What is Rh factor?

What is Universal donor?

What is Diapedesis?

Is it possible for the blood to clot under the skin? Give reason in support of your answer.

State any five functions of the blood.

Page 0

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

The nearest organ to which the heart supplies oxygenated blood is:
(a) Lung
(b) Stomach

(c) Intestine
(d) Heart itself

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

When a doctor is recording your pulse, he is pressing on your wrist exactly on a
(a) vein
(b) capillary
(c) artery
(d) arteriole

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

The valve present between the right atrium and the right ventricle is the
(a) tricuspid valve
(b) bicuspid valve
(c) semi-lunar valve
(d) mitral valve

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

The blood vessel supplying blood to the kidney is the
(a) renal vein
(b) renal artery
(c) dorsal aorta
(d) hepatic vein

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

Angina pectoris is due to
(a) defective nutrition
(b) inadequate supply of oxygen to the heart muscle

(c) defective functioning of mitral value
(d) infection by a virus

MULTIPLE CHOICE TYPE:
(Select the most appropriate option)

The chief function of lymph nodes is to
(a) produce WBCs
(b) produce hormones
(c) destroy old RBCs
(d) destroy pathogens

MULTIPLE CHOICE TYPE

(Select the most appropriate option)

Heart sounds are produced due to
(a) Closure of tricuspid and bicuspid valves
(b) Rushing of blood through valves producing turbulence
(c) Closure of aortic and pulmonary valves
(d) Entry of blood into auricles

Page 0

What are the average values of blood pressure in a normal adult human?

Is it true that your heart beats more than one lac times per day?

Name the following:

Any one vein which starts from an organ and ends in another organ besides the heart.

Name the following:

The kind of blood vessels which have no muscular walls.

Name the following:

An artery which carries impure (deoxygenated) blood.

Name the following:

The kind of blood cells which can squeeze out through the walls of one category of blood
vessels.

Name the following:

The smallest common blood vessels formed by the union of capillaries.

Name the following:

The blood vessels which start from capillaries and end in capillaries.

Name the following:

The phase of the cardiac cycle in which the auricles contract.

Name the following:

The valve present in between the chambers on the right side of the human heart.

Name the following:

The phase of the cardiac cycle in which the ventricles get filled with blood from the atrium.

Name the following:

The fluid found between the membranes of the heart.

Write the chief functional activity of the following:

Blood platelets …………………………..

Write the chief functional activity of the following:

Neutrophils ………………………………

Write the chief functional activity of the following:

Erythrocytes …………………………….

Write the chief functional activity of the following:

Lymphocytes ……………………………

Write the chief functional activity of the following:

Bone marrow ……………………………

Complete the following statement by filling in the blank from the choices given in the bracket.

The blood vessels that begins and ends in capillaries is the ………………. (hepatic artery,
hepatic portal vein, hepatic vein)

Complete the following statement by filling in the blank from the choices given in the bracket.

A blood vessels which has small lumen and thick wall is …………………. (capillary,
lymphatic duct, artery, venule)

Complete the following statement by filling in the blank from the choices given in the bracket.The valve which prevents back flow of blood in the veins and lymph vessels ………………
(mitral valve, tricuspid valve, semilunar valve).

Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:

Lubb: Atrioventricualr valves :: dup: …………………

Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:

Coronary artery: Heart :: Hepatic artery : ……………

Give reason, why a matured mammalian erythrocyte lacks nucleus and mitochondria?

Page 0

What does the term “double circulation” mean?

When are the sounds “LUBB” and “DUP” produced respectively during heart beat?

Why do people have a common belief that the heart is located on the left side of the chest?

Differentiate between members of the following pairs with reference to the aspect asked
within bracket:

Erythrocytes and leucocytes (function)

Differentiate between members of the following pairs with reference to the aspect asked
within bracket:

Artery and vein (direction of blood flow)

Differentiate between members of the following pairs with reference to the aspect asked
within bracket:

artery and vein (type of blood primarily flowing through)

Differentiate between members of the following pairs with reference to the aspect asked
within bracket:

Tricuspid and bicuspid values (location)

Match the items in Column ‘A’ with those in column ‘B’ Rewrite the correct matching pairs.

Column A Column B
SA node Plasma
Defective hemoglobin in RBC Serum
Muscle fibres located in the heart Pacemaker
The liquid squeezed out of blood
during clotting
Sickle cell anemia
Never tires, keep on contracting and
relaxing
Purkinje fibres
Cardiac cycle Cardiac muscles
Liquid part of the blood without
corpuscles
0.85 sec

The table below is designed to indicate the transport of certain substance in our body. Fill in the
blanks with suitable answers.

Substance From To
  Lungs Whole body
Carbon dioxide    
Urea    
Digested
carbohydrates
Intestines  
    Target organs

Page 0

What is Endothelium?

what is Lymph nodes?

what is Venule?

What is diastole?

Describe the structural differences between an artery and a vein.

What is the function of tonsils?

What is the function of spleen?

How do you account for the following difference?

The left ventricle has thicker walls than the right ventricle.

How do you account for the following difference?

The walls of the right ventricle are thicker than those of the right auricle.

Give reason for the following:

The walls of the left ventricle are thicker than the walls of all other chambers.

Give reason for the following:

Blood flowing away from the stomach and intestines is put into circulation via the liver and
not directly.

Give reason for the following:

The blood groups of both the donor and recipient must be known before transfusing blood.

Give reason for the following:

Only the veins and not the arteries are provided with valves.

Give reason for the following:

Atrial wall is less muscular than the ventricular wall.

Give reason for the following:

The arteries are deep seated in the body

Page 0

Given below are the diagrammatic sketches of two kinds of blood vessels.

(a) Identify the two kinds of blood vessels A and B.
(b) name the parts numbers 1 to 6
(c) Mention any two main differences between A and B.

Given below is a highly schematic diagram of the human blood circulatory sytem.
(a) which part (state the number) represents the heart? Give reason in support of your answer.
(b) Which numbers represent the following respectively?
Aorta
Renal Vein
Hepatic portal vein
Pulmonary artery
Stomach
Dorsal aorta
Superior vene cava

Given diagram shows a simple diagram of the circulation of blood in a mamma showing the
main blood vessels, the heart, lungs and body tissues. The blood vessel, labelled 6, contains
deoxygenated blood and the valve leading to it has three semi-lunar pockets.

(a) Name the blood vessels and organs marked by numbers 1 to 8.
(b) What is meant by the term ‘double circulation’ of blood in mammals?
(c) what is diastole?
[There is an “error” in the diagram. According to the usual practice the pulmonary (lung)
circulation is shown upward and the systemic downward, but here it is reversed].

 

The diagram below shows part of the capillary bed in an organ of the human body. Some of the
blood arriving at the capillaries at points labelled A, moves out into the spaces between the tissue
cells. Study the diagram and answer the questions that follow:

(a) when the liquid from the blood surrounds the cells, what is it called?
(b) Name any one important component of the blood which remains inside the capillaries and
fails to move out into the spaces.
(c) Some of the liquid surrounding the cells does not pass directly back into the blood but
eventually reaches it by another route through vessel X. Name the fluid present in vessel X.
(d) State two important functions performed in our body by the fluid present in the vessel X.

The following simplified diagram refers to the outline plan of the circulation of blood in a
mammal. Study the diagram and write the number and the name of the blood vessel in each case
as mentioned ahead.

(a) several hours after a meal containing a lot of protein, which vessel will contain the highest
concentration of urea?
(b) Which vessel would contain the highest concentration of amino acids and glucose soon after
a meal?

The figures given below show diagrammatic cross sections of three kinds of blood vessels.

(a) Identify the blood vessels A, B and C
(b) Name the parts labelled 1-4
(c) Mention two structural differences between A and B.
(d) Name the kinds of blood that flow through A and through B respectively.

(e) In which one of the above vessels referred to in (a) above does the exchange of gases actually
take plave?

The diagram given alongside represents the human heart in one phase of its activity. Study the
same and then answer the questions that follow:

(a) name the phase
(b) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(c) Name the parts numbered 1 to 6
(d) What type of blood flows through the parts marked ‘1’ and ‘2’ respectively?
(e) How many valves are closed in this phase?

Study the following diagram carefully:
(a) With which figure in the chapter can you roughly compare this diagram?
(b) Write any two things shown in it as extra from those in the figure named above.

 

Given below is a diagrammatic representation of certain types of blood vessels in human body.
(a) Identify the types of blood vessels numbered 1 to 5.
(b) Where can such an arrangement be found as an example – in lungs or in heart walls?

 

Study the following diagram carefully and then answer the questions that follow:
(a) name the cell labelled 1.
(b) Identify the phenomenon occurring in A.
(c) Mention two structural differences between 1 and 2.
(d) Name the process occurring in B and C and state the importance of this process in the human
body.

Selina Selina ICSE Concise Biology Class 10

Selina ICSE Concise Biology for Class 10

Selina solutions for Class 10 Biology chapter 6 - The Circulatory System

Selina solutions for Class 10 Biology chapter 6 (The Circulatory 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 Selina ICSE Concise Biology for Class 10 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at shaalaa.com are providing 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 Class 10 Biology chapter 6 The Circulatory System are Concept of Circulatory System, Composition of Blood, Circulation of Blood, Lymph (Tissue Fluid), Coagulation of Blood, Structure and Working of the Heart, Concept of Systole and Diastole, Circulation of Blood as Double Circulation., Concept of Blood Pressure Heartbeat, Pulse, Blood Vessels, Lymphatic Organs, Types of Blood Groups (A, B, AB, O), Hepatic Portal System.

Using Selina Class 10 solutions The Circulatory 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 6 The Circulatory System Class 10 extra questions for Biology and can use shaalaa.com to keep it handy for your exam preparation

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