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question_answer1)
What is the function of red blood cells?
A)
Transports oxygen done
clear
B)
Transports water done
clear
C)
Fight against germs done
clear
D)
Helps in blood clotting done
clear
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question_answer2)
Identify the components X and Y?
X- Produces antibodies |
Y-Helps m blood clotting |
A)
X-Platelets, Y-WBC done
clear
B)
X-RBC, Y-Platelets done
clear
C)
X-Plasma, Y-Platelets done
clear
D)
X-WBC, Y-Platelets done
clear
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question_answer3)
Which organ is represented by X in the human body?
A)
The skin done
clear
B)
The heart done
clear
C)
The lungs done
clear
D)
The kidneys done
clear
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question_answer4)
Which labelled structure in the given figure is involved in the transport of water and mineral salts?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer5)
Which is the fluid part of the blood?
A)
RBC done
clear
B)
WBC done
clear
C)
Platelets done
clear
D)
Plasma done
clear
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question_answer6)
The following statements describe how the transport system in a plant works.
P - Xylem tubes carry water and mineral salts to other parts of the plant |
Q - The leaves make food in the presence of sunlight |
R - The leaves receive water and mineral salts |
S - Phloem tubes transport food to other parts of the plant |
T - Root hairs absorb water and mineral salts from the soil |
Which of these is a correct sequence?
A)
\[P\to T\to Q\to R\to S\] done
clear
B)
\[T\to P\to R\to Q\to S\] done
clear
C)
\[P\to R\to Q\to S\to T\] done
clear
D)
\[R\to Q\to T\to P\to S\] done
clear
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question_answer7)
Identify X, Y and Z in the given figure.
A)
B)
C)
D)
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question_answer8)
Which blood cell can do this function as shown below?
A)
Red blood cells done
clear
B)
White blood cells done
clear
C)
Platelets done
clear
D)
Denucleated red blood cells done
clear
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question_answer9)
Study the characteristics given below.
P - A thick walled vessel that carries oxygenated blood |
Q - A thin walled vessel that carries deoxygenated blood |
R - Very small thin tubes that connects veins and arteries |
Which of these statements represent P, Q and R is correct?
A)
B)
C)
D)
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question_answer10)
Identify the gas that is diffusing out of the body cells into the blood.
A)
Carbon dioxide done
clear
B)
Hydrogen done
clear
C)
Oxygen done
clear
D)
Carbon monoxide done
clear
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question_answer11)
Which of these organs excrete carbon dioxide gas?
A)
P and Q only done
clear
B)
Q and R only done
clear
C)
R only done
clear
D)
P and R only done
clear
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question_answer12)
Which labelled blood vessels carry blood to and from the lungs?
A)
B)
C)
D)
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question_answer13)
The stem in the given figure shows swelling in its upper portion. Which of the following reasons is true about the swelling of the stem?
A)
Upward movement of food is blocked. done
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B)
Downward movement of food is blocked. done
clear
C)
Upward movement of water is blocked. done
clear
D)
Downward movement of water is blocked. done
clear
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question_answer14)
Which of the following components of blood help in blood clotting?
A)
Red blood cells done
clear
B)
Plasma done
clear
C)
White blood cells done
clear
D)
Platelets done
clear
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question_answer15)
The diagram below shows materials needed for survival being transported inside a plant.
Which body system performs this function in humans?
A)
Circulatory system done
clear
B)
Digestive system done
clear
C)
Excretory system done
clear
D)
Respiratory system done
clear
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question_answer16)
Which of the following is the correct order to show the transport of water from the soil to the leaf of a plant?
A)
Root \[\to \] Root hair \[\to \] Phloem \[\to \] Leaf done
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B)
Root hair \[\to \] Root \[\to \] Xylem \[\to \] Leaf done
clear
C)
Root \[\to \] Root hair \[\to \] leaf \[\to \]Phloem done
clear
D)
Root \[\to \] Xylem \[\to \] Phloem \[\to \] Leaf done
clear
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question_answer17)
Based on the information given below. Identify P, Q and R.
P - Transports blood to the heart |
Q - Unite into large vessels, venules to form veins |
R - Transport blood away from the heart |
A)
P - Capillaries, Q - Veins, R - Arteries done
clear
B)
P - Arteries, Q - Veins, R - Capillaries done
clear
C)
P - Veins, Q - Capillaries, R - Arteries done
clear
D)
P - Capillaries, Q - Arteries, R - Veins done
clear
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question_answer18)
What is the correct path of urine through the urinary system?
A)
Bladder \[\to \] urethra \[\to \] kidney \[\to \] ureter. done
clear
B)
Ureter \[\to \] kidney \[\to \] bladder urethra. done
clear
C)
Kidney \[\to \]ureter \[\to \] urethra\[\to \] bladder. done
clear
D)
Kidney\[\to \] ureter \[\to \] bladder \[\to \] urethra. done
clear
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question_answer19)
The figure below shows the blood flow from artery to Q and then to R. What is Q?
A)
Capillary done
clear
B)
Vein done
clear
C)
Heart done
clear
D)
Skin done
clear
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question_answer20)
Which is the characteristic feature of arteries?
A)
Blood cannot flow backwards. done
clear
B)
Blood can flow through easily. done
clear
C)
Blood can be pumped to every part of the body. done
clear
D)
Artery can withstand the high pressure of the heartbeat. done
clear
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question_answer21)
The walls of left ventricle of the heart is thicker than the right ventricle Which of the following is the correct reason about the given statement?
A)
Because it contains more blood. done
clear
B)
So that more haemoglobin can reach the brain. done
clear
C)
Because when blood is pumped, a strong pressure acts on it. done
clear
D)
So that deoxygenated blood can reach every part of the body. done
clear
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question_answer22)
The heart pumps blood to transport oxygen from the lungs to the hand of a person. Which of these sequence shows the correct path for the flow of blood?
A)
Left atrium \[\to \] left ventricle \[\to \]aorta done
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B)
Left atrium\[\to \] aorta \[\to \] right ventricle done
clear
C)
Right atrium \[\to \] right ventricle \[\to \] aorta done
clear
D)
Right atrium \[\to \]aorta\[\to \]right ventricle done
clear
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question_answer23)
What is the function of stomata?
A)
Photosynthesis done
clear
B)
Exchange of gases done
clear
C)
Osmosis done
clear
D)
Transfusion done
clear
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question_answer24)
Identify the parts labelled P, Q, R and S in the figure given below.
A)
B)
C)
D)
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question_answer25)
Which of the following is true about the amount of oxygen and the direction of blood flow in blood vessels P, Q, R and S?
A)
B)
C)
D)
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question_answer26)
Which of these statements are the functions of human circulatory system?
A)
Carries waste products from cells. done
clear
B)
Transports oxygen to all parts of the body done
clear
C)
Transports digested food to body tissues. done
clear
D)
All of these done
clear
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question_answer27)
Which of the following processes does the information given below refer to?
Helps to cool plants |
Helps transport of water and mineral salts to the tip of the plant |
A)
Oxidation done
clear
B)
Respiration done
clear
C)
Transpiration done
clear
D)
Photosynthesis done
clear
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question_answer28)
Which of the following options represents the composition of blood?
A)
Blood vessels, platelets and red blood cells only. done
clear
B)
Plasma, red blood cells, white blood cells and platelets only. done
clear
C)
Red blood cells, white blood cells and blood platelets only. done
clear
D)
Plasma, red blood cells and white blood cells only. done
clear
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question_answer29)
Which of the following functions is performed by the right side of the heart?
A)
Pumps blood to the rest of the body. done
clear
B)
Receives blood from the rest of the body. done
clear
C)
Receives blood from the lungs. done
clear
D)
Pumps blood to the brain. done
clear
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question_answer30)
In which of the following processes the flow of water molecules from the region of higher water potential to the region of lower water potential through a semipermeable membrane?
A)
Osmosis done
clear
B)
Diffusion done
clear
C)
Plasmolysis done
clear
D)
Imbibition done
clear
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question_answer31)
Which of the following options is true about the function of red blood cells?
A)
To defend the body against harmful infections. done
clear
B)
To transport oxygen and carbon dioxide. done
clear
C)
To clot the blood in time of injuries. done
clear
D)
To produce white blood cells. done
clear
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question_answer32)
Which of the following blood vessel carry blood from the lungs to the heart?
A)
Pulmonary artery done
clear
B)
Pulmonary vein done
clear
C)
Coronary artery done
clear
D)
Renal artery done
clear
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question_answer33)
Which of the following is done to filter wastes in kidney failure patients?
A)
Purification done
clear
B)
Angiogram done
clear
C)
Dialysis done
clear
D)
Ventilation done
clear
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question_answer34)
Which of the following animals excrete ammonia in dissolved form?
A)
Fishes done
clear
B)
Birds done
clear
C)
Lizards done
clear
D)
Both and done
clear
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question_answer35)
Which of these statements is NOT true about white blood cells?
A)
They are white in colour and smaller than red blood cells. done
clear
B)
They do not have a definite shape. done
clear
C)
They protect us from disease-causing germs by producing antibodies. done
clear
D)
They can engulf germs that enter our bloodstream. done
clear
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question_answer36)
Which of the following sequences is correct about the flow of blood in the heart?
P - Left ventricle |
Q - Right ventricle |
R - Lungs |
S - Left atrium |
T - Right atrium |
A)
\[P\to Q\to R\to T\to S\] done
clear
B)
\[R\to Q\to P\to S\to \] done
clear
C)
\[P\to R\to Q\to S\to T\] done
clear
D)
\[T\to Q\to R\to S\to P\] done
clear
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question_answer37)
Blood in the left side of the heart is bright red because of which of the following reasons?
A)
It contains red blood cells. done
clear
B)
It is rich in haemoglobin. done
clear
C)
It is rich in oxyhaemoglobin. done
clear
D)
It is nearest to the lungs. done
clear
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question_answer38)
The above chart shows the oxygen content in four samples of blood taken from four different blood vessels of the body.
Which sample is most probably taken from a pulmonary artery?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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