Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 9 English Medium Biology Simple Nutrients into Cell

Given below is the flow chart showing systemic circulation. Correct it if there is any mistake.
left ventricle ------> pulmonary artery ------>body tissue ------> venacava -------> left atrium
left ventricle ------> Aorta ------>body tissue ------> venacava -------> right
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complete the table
|
valve |
position |
function |
|
Bi-cuspid valve |
Between the left atrium and ventricle. |
……...a……. |
|
……….b…… |
………….c………... |
Prevents blood flow from right ventricle to right atrium. |
|
Pulmonary valve |
At the beginning of pulmonary artery. |
………….d………... |
a) Helps in the flow of blood from the left atrium to left ventricle Or prevents backward flow of blood from the left ventricle to left atrium.
b) tricuspid
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Doctors usually check pulse by holding wrist as part of examination.
a)What is pulse?
b)Write two other parts of the body where you can feel pulse apart from wrist.
c) What change you can observe in pulse rate, if you check it after doing exercise for some time.? Why?
a) The wave like movement formed due to the contraction and relaxation of the heart is felt through out the walls of the arteries. This is called pulse.
b)
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Analyse the illustration and answer the question given below .
a)Name the physical processess that can be included in the parts a, b and c .
b)Why do we feel cool ,in places where plants are more.
a) osmosis b) adhesion c)
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Cross section of a blood vessel is given below.
a. Identify the blood vessel ?
b. Write two structural differences which make it different from other blood vessels.
c. What is the peculiarity of blood flow through this ?
a) veins
b) Thin walled, valves are present in this?
c) Blood flows with low speed and low
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"When one circulation is completed same quantity of blood passes through heart twice." Evaluate this statement and write a description.
less oxygenated blood from the right ventricle reaches lungs through pulmonary artery. Oxygenated blood from the lungs it reaches the left chambers of the heart
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observe the illustration and answer the questions
a) Name the plant tissues indicated as A and B
b) Name the tissues indicated as C and D
c) Write the functions of A and B
a) A –xylem, B –phloem
b) C – tracheids , D companion
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Observe the flow chart of blood circulatory system illustrated incompletely by a student.
a)Complete the missing part in the illustration.
b)Which type of circulation is illustrated here ?
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Copy the diagram of structure of heart , name and label the parts given below
a)Blood vessel which brings blood to the right atrium.
b)Valve present between right atrium and right ventricle.
c)Blood vessel originate from the right ventricle .
a) superior and inferior venacava
b) tricuspid valve
c)aorta
(for naming and labelling - 3 X 1=3, score ,for copying the
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Observe the illustration and answer the questions
a) Which are the valves of the heart indicated by A ,B and C ?
b)Write the function of A ?
a) A) bicuspid valve, B) pulmonary valve C) tricuspid valve.
b) Controls the flow of blood from left atrium to left ventricle, prevents the backward flow of
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Observe the illustration and answer the questions
a) Which are the chambers of the heart indicated by A and B ?
b) Blood enters which all blood vessels when these chambers contract .
a) A) left ventricle B) right ventricle.
B )Blood from the right ventricle enters the pulmonary artery. And blood from
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Identify the word pair relationship and fill the blank
contraction of the heart chambers : systole ::relaxation of the heart chambers : ....................
diastole
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Pericardium is the double layered membrane which covers heart.
What is the role of this membrane in protecting the heart.?
pericardial fluid present between the pericardial membranes reduces the friction between the membranes , when heart
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Characteristics of blood vessels are given below. Find out the odd one and write the characteristic features of others.
single layered cells , small pores are present in walls, valves absent, Blood flows with high pressure
Blood flows with high pressure. Others are characteristics of
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Identify the word pair relationship and complete and the missing portion.
right atrium : : venacava
Left atrium : ……………………
pulmonary vein
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Identify the word pair relationship and complete and the missing portion.
Systolic pressure : 120mmHg
diastolic pressure : …………
80mmHg
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Identify the word pair relationship and complete and the missing portion.
right ventricle : pulmonary artery
left ventricle : ………………….
aorta
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Find out the odd one and write the characteristic features of others.
Veins, lymph nodes, lacteal, spleen.
Veins, others are parts of lymphatic
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Choose the correct answer.
Which is not the function of plasma protein
a. Regulates blood pressure..
b. Transports oxygen
c. helps in defence
d. Clotting of blood
b. Transport of oxygen
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Choose the correct answer.
Transport of food through phloem?
a. In the form of glucose c. In the form of sucrose
b. In the form of fructose d. In the form of glucose and fructose
c. In the form of sucrose
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Choose the correct answer.
Position of pacemaker in heart.
a. In the wall of left atrium c. In the wall of right ventricle
b..In the upper wall of the right atrium.
d. Inside the right atrium
b. In the upper wall of the right atrium.
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Choose the correct statements from those given below
A. 90- 92 % of blood is water
B. Fibrinogen is the plasma protein which help in blood clotting.
C. Hepatic portal vein carries blood from the intestine to heart .
D Pericardium .is the double layered membrane which covers heart.
a. A and B are right c. B and D are right
b .A and C are right d. C and D are right
c. B and D are right.
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Find out the correct set from those given below.
A. Xylem - tracheid - vessel.
B Right atrium - bicuspid valve - right ventricle
C. Transport of water in plants - transpiration pull - cohesion
D. Plasma protein - albumin - sugar
a. A and B are correct. c. B and D correct
b. A and C correct d. C and D correct
b. A and C correct
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Conduction of food takes place through sieve tube because.
A. They are placed one above the other .
B. Pores are present in the cross walls.
C. Cytoplasm of the sieve tubes are interconnected.
a. A and B are correct. c. B only correct
b. A and C are correct d. A, B and C are correct
d. A,B and C are correct
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Observe the illustration and answer the questions given below.