Science - Transportation in Living Beings
Exam Duration: 45 Mins Total Questions : 30
What is the function of red blood cells?
- (a)
Transports oxygen
- (b)
Transports water
- (c)
Fight against germs
- (d)
Helps in blood clotting
Which organ is represented by X in the human body?
- (a)
The skin
- (b)
The heart
- (c)
The lungs
- (d)
The kidneys
Which labelled structure in the given figure is involved in the transport of water and mineral salts?
- (a)
P
- (b)
Q
- (c)
R
- (d)
S
Which is the fluid part of the blood?
- (a)
RBC
- (b)
WBC
- (c)
Platelets
- (d)
Plasma
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-T-Q-R-S
- (b)
T-P-R-S-Q
- (c)
P-R-Q-S-T
- (d)
R-Q-T-P-S
Identify X,Y and Z in the given figure
- (a)
Ureter- Urethra- Urinary bladder
- (b)
Ureter- Urinary- bladder Urethra
- (c)
Urinary bladder- Ureter- Urethra
- (d)
Urethra- Urinary-bladder Ureter
Which blood cell can do this function as shown below?
- (a)
Red blood cells
- (b)
White blood cells
- (c)
Platelets
- (d)
Denucleated red blood cells
Study the characteristics given below.
P - A thick walled vessel that carries oxygenated blood
Q - Athin walled vessel that carries deoxygenated blood
R - Very small thin tubes thatconnects veins and arteries
Which of these statements represent P,Q and R is correct?
- (a)
R-P-Q
- (b)
P-R-Q
- (c)
Q-R-P
- (d)
P-Q-R
Which of these organs excrete carbon dioxide gas?
- (a)
P and Q only
- (b)
Q and R only
- (c)
R only
- (d)
P and R only
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.
- (b)
Downward movement of food is blocked
- (c)
Upward movement of water is blocked
- (d)
Downward movement of water is blocked.
Which of the following components of blood help in blood clotting?
- (a)
Red blood cells
- (b)
Plasma
- (c)
White blood cells
- (d)
Platelets
The diagram below shows materials needed for survival being transported inside a plant
Which body system performs this function in humans?
- (a)
Circulatory system
- (b)
Digestive system
- (c)
Excretory system
- (d)
Respiratory system
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 - Root hair - Phloem - Leaf
- (b)
Root hair - Root - Xylem - Leaf
- (c)
Root - Root hair - leaf - Phloem
- (d)
Root - Xylem -Phloem - Leaf
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
- (b)
P - Arteries, Q - Veins, R - Capillaries
- (c)
P - Veins, Q - Capillaries, R- Arteries
- (d)
P- Capillaries, Q - Arteries, R- Veins
What is the correct path of urine through the urinary system?
- (a)
Bladder - urethra - kidney - ureter
- (b)
Ureter - kidney - bladder - urethra
- (c)
Kidney - ureter - urethra - bladder
- (d)
Kidney - ureter -bladder - urethra.
What is the function of stomata?
- (a)
Photosynthesis
- (b)
Exchange of gases
- (c)
Osmosis
- (d)
Transfusion
Identify the parts labelled P, Q, R and S in the figure given below.
- (a)
Left atrium- left ventricle-Aorta-Right atrium
- (b)
Right atrium-Right ventricle-Aorta-Left atrium
- (c)
Right atrium- Right ventricle-left atrium -left ventricle
- (d)
left atrium -left ventricle-Right atrium- Right ventricle
Which of the following is true about the amount of oxygen and the direction of blood flow in blood vessels P,0, Rand S?
- (a)
Q-P-S-R
- (b)
S-R-P-Q
- (c)
R-Q-S-P
- (d)
S-Q-P-R
Which of the following processes does the information given below refer to?
1. Helps to cool plants
2. Helps transport of water and mineral salts to the tip of the plant
- (a)
Oxidation
- (b)
Respiration
- (c)
Transpiration
- (d)
Photosynthesis
Which of the following options represents the composition of blood?
- (a)
Blood vessels, platelets and red blood cells only.
- (b)
Plasma, red blood cells, white blood cells and platelets only
- (c)
Red blood cells, white blood cells and blood platelets only
- (d)
Plasma, red blood cells and white blood cells only
Which of the following functions is performed by the right side of the heart?
- (a)
Pumps blood to the rest of the body
- (b)
Receives blood from the rest of the body
- (c)
Receives blood from the lungs
- (d)
Pumps blood to the brain.
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
- (b)
Diffusion
- (c)
Plasmolysis
- (d)
Imbibition
Which of the following options is true about the function of red blood cells?
- (a)
To defend the body against harmful infections
- (b)
To transport oxygen and carbon dioxide
- (c)
To clot the blood in time of injuries.
- (d)
To produce white blood cells.
Which of the following blood vessel carry blood from the lungs to the heart ?
- (a)
Pulmonary artery
- (b)
Pulmonary vein
- (c)
Coronary artery
- (d)
Renal artery
Which of the following is done to filter wastes in kidney failure patients?
- (a)
Purification
- (b)
Angiogram
- (c)
Dialysis
- (d)
Ventilation
Which of the following animals excrete ammonia in dissolved form?
- (a)
Fishes
- (b)
Birds
- (c)
Lizards
- (d)
Both (A) and (B)
Which of these statements is NOT true about white blood cells?
- (a)
They are white in colour and smaller than red blood cells
- (b)
They do not have a definite shape.
- (c)
They protect us from disease-causing germs by producing antibodies
- (d)
They can engulf germs
Which ofthe 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-Q-R-T-S
- (b)
R-Q-P-S
- (c)
P-R-Q-S-T
- (d)
T-Q-R-S-P
Blood in the left side of the heart is bright red because of which of the following reasons?
- (a)
It contains red blood cells.
- (b)
It is rich in haemoglobin
- (c)
It is rich in oxyhaemoglobin
- (d)
It is nearest to the lungs
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
- (b)
Q
- (c)
R
- (d)
S