Circulatory System ICSE Class-10 Concise Selina Biology

Circulatory System ICSE Class-10 Concise Selina Biology Chapter 8 . We Provide Step by Step Answer of Progress Check , MCQs, Very Short Answer Type, Short Answer Type, Long Answer Type Questions and Structured / Applications / Skill Type Questions of Exercise-8 Circulatory System ICSE Class-10 . Visit official Website CISCE  for detail information about ICSE Board Class-10.

Board ICSE
Publications Selina Publishers PVT LTD
Subject Concise Biology
Class 10th
writer HS Vishnoi
Chapter-8 Circulatory System
Topics Solutions of  MCQs, Very Short ,Descriptive, Structural/Skill Questions and  Progress Check 1, 2, 3, 4, 5, 6, 7, 8 
Edition 2021-2022

Circulatory System ICSE Class-10 Concise Selina Biology

-: Select Topic :-

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A. MULTIPLE CHOICE TYPE

B. VERY SHORT ANSWER TYPE

C SHORT ANSWER TYPE

D. DESCRIPTIVE ANSWER TYPE

E. STRUCTURED / APPLICATION / SKILL TYPE

Progress Check 1, 2, 3, 4, 5, 6, 7, 8 


A. MULTIPLE CHOICE TYPE

Circulatory System Chapter-8 Selina Biology Solution for  ICSE Class-10

Page 109

Question 1

Non-granular WBCs are:

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(a) lymphocytes and monocytes

(b) lymphocytes and basophils

(c) eosinophils and basophils

(d) eosinophils and monocytes

Answer 1

(a) lymphocytes and monocytes

Question 2

White blood cells engulf bacteria in a process called:

(a) diapedesis

(b) phagocytosis

(c) active transport

(d) passive transport

Answer 2

(b) phagocytosis

Question 3

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The nearest organ to which the heart supplies oxygenated blood is

(a) Lung

(b) Stomach

(c) Intestine

(d) Heart itself

Answer 3

(d) Heart itself

Question 4

When a doctor is recording your pulse, he is pressing on your wrist exactly on a

(a) vein

(b) capillary

(c) artery

(d) arteriole

Answer 4

(c) artery

Question 5

The blood vessels supplying blood to the kidney is the

(a) renal vein

(b) renal artery

(c) dorsal aorta

(d) hepatic vein

Answer 5

(b) renal artery

Question 6

Angina Pectoris is due to

(a) defective nutrition

(b) chest pain due to inadequate supply of oxygen to the heart muscle

(c) defective functioning of mitral valve

(d) infection by a virus

Answer 6

(b) chest pain due to inadequate supply of oxygen to the heart muscle

Question 7

The chief function of lymph nodes is to

(a) produce WBCs

(b) produce hormones

(c) destroy old RBCs

(d) destroy pathogens

Answer 7

(d) destroy pathogens

Question 8

Heart sounds are produced due to

(a) closure of tricuspid and bicuspid valves

(b) rushing of blood through valves producing turbulence

(c) closure of atrioventricular and semilunar valves

(d) entry of blood into auricles

Answer 8

(a) closure of tricuspid and bicuspid valves

(b) rushing of blood through valves producing turbulence

(c) closure of atrioventricular and semilunar valves


B.VERY SHORT ANSWER TYPE 

Chapter – 8, Circulatory System ICSE Class-10 Selina Biology Solution

Page 109-110

Question 1

Given below are certain structures, write their chief functional activity.

(a) Blood platelets ——

(b) Neutrophils —–

(c) Erythrocytes —–

(d) Lymphocytes —–

(e) Bone marrow —–

Answer 1

(a) Blood platelets and blood coagulation

(b) Neutrophils and phagocytosis

(c) Erythrocytes and transportation of gases

(d) Lymphocytes and Produce antibodies

(e) Bone marrow and destruction of old and weak RBC’s/production of RBCs and WBCs.

Question 2

Name the following :

(a) The cells which transport oxygen to the different parts of the human body.

(b) The cells that initiate blood clotting.

Answer 2

(a) Red Blood Cells

(b) Blood Platelets

Question 3

Name the following :

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

(b) The kind of blood vessels which have no muscular walls.

(c) Any artery which carries impure deoxygenated blood.

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

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

(f) The blood vessels which start from capillaries and end in capillaries.

(g) The phase of the cardiac cycle in which the auricles contract.

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

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

(j) The fluid found between the membranes of the heart.

Answer 3

(a) Hepatic portal vein

(b) Blood Capillaries

(c) Pulmonary artery

(d) White blood cells

(e) Venules

(f) Portal vein

(g) Atrial systole

(h) Tricuspid valve

(i) Atrial systole

(j) Pericardial fluid

Question 4

Complete the following statements by filling in the blanks from the choices given in the brackets.

(a) The blood vessel that begins and ends in capillaries is the ______. (hepatic artery, hepatic portal vein, hepatic vein)

(b) A blood vessel which has small lumen and thick wall is _______. (capillary, lymphatic duct, artery, venule)

(c) The valve which prevents the back flow of blood in the veins and lymph vessels ______.(mitral valve, tricuspid valve, semilunar valve)

(d) An anticoagulant present in the blood is _______.(heparin, hirudin, thromboplastin, calcium)

Answer 4

(a) The blood vessel that begins and ends in capillaries is the hepatic portal vein.

(b) A blood vessel which has small lumen and thick wall is artery.

(c) The valve which prevents the back flow of blood in the veins and lymph vessels is semilunar valve.

(d) An anticoagulant present in the blood is heparin.

Question 5

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

(a) Lub : Atrioventricular valve : : Dup:_______

(b) Coronary artery: Heart : : Hepatic artery:______

Answer 5

(a) Lub : Atrioventricular valve : : Dup : Semilunar valves

(b) Coronary artery : Heart : : Hepatic artery : Liver

Question 6

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

Answer 6

A matured mammalian erythrocyte lacks a nucleus and mitochondria. The lack of a nucleus increases the surface area-volume ratio of RBCs, thus increasing the area for oxygen absorption. Also, the lack of a nucleus reduces the size of the cell, making it easy to flow through the blood vessels and more cells can be accommodated in a small area.

The lack of mitochondria implies that the cell does not use any oxygen absorbed for respiration, thus increasing the efficiency of the cell to transport oxygen as all the oxygen absorbed is transported without any loss.


C. SHORT ANSWER TYPE

Circulatory System Chapter 8 Concise Biology Solution for ICSE Clas-10

Page 110

Question 1

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

Answer 1

Structural Differences between White Blood Cells and Red Blood Cells:

White Blood Cells Red Blood Cells
1. White blood cells are amoeboid. Red blood cells are minute biconcave disc-like structures.
2. They are nucleated cells. They anucleated cells.
3. Haemoglobin is absent in red blood cells. Haemoglobin is present in red blood cells.

Question 2

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

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