Transportation in Animals and Plants Test

Result

Transportation in Animals and Plants Test - 8

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following cells get activated during bleeding?

A
RBC

B
WBC

C
Platelets

D
None of the above
Solution
When an injury causes a blood vessel wall to rupture, platelets then rush to the site of damage and get activated.
They form a plug (clot) to fix the damage. The process of spreading across the surface of a damaged blood vessel to stop bleeding is called adhesion. This is because when platelets get to the site of the injury, they grow sticky tentacles that help them stick (adhere) to one another.
So, the correct answer is 'Platelets'.
Question 2
1 / -0

Rubber tube, ear piece and diaphragm are parts of a

A
Headphone

B
Microphone

C
Periscope

D
Stethoscope

Solution

The stethoscope is an acoustic (hearing) medical device used for auscultation(listening of internal sounds of the body. The doctor will place a small metal circle called a bell (hallow disc) or diaphragm (plastic disc), against the chest, at the spot where a person can feel the heartbeat. The stethoscope is composed of rubber tube, earpiece and diaphragm.
So, the correct answer is 'Stethoscope'.
Question 3
1 / -0

The given figure illustrates a section through the human heart.Which labelled part represents the site for the generation of action potential in human heart?

A
A

B
B

C
C

D
D
Solution
- The SA node is present in the right atrium of heart which contains pacemaker cells. It is responsible for the generation of action potential.
- 'B' represent the valve present between right atrium and right ventricle.
- 'C' is the right ventricle.
- 'D' represent the valve between left atrium and left auricle.
Thus, the correct answer is 'A.'
Question 4
1 / -0

Name the parts labelled A, B, C and D.

A
A: Kidney, B: Urinary bladder, C: Urethra, D: Ureter

B
A: Kidney, B: Ureter, C: Urinary bladder, D: Urethra

C
A: Kidney, B: Urethra, C: Collecting duct, D: Anus

D
A: Kidney, B: Seminiferous tubules, C: Uterus, D: Ureter

Solution

The kidneys filter out the blood and pass the urine to the urinary bladder through ureters. Urine is excreted out through the urethra.
The correct answer is 'A: Kidney, B: Ureter, C: Urinary bladder, D: Urethra'.
Question 5
1 / -0

The stethoscope was discovered by

A
Antonie van Leeuwenhoek

B
Leopold Auenbrugger

C
Jean-Nicolas Corvisart

D
René Laennec

Solution

Rene Laennec was a french physician. He invented the stethoscope in 1816. It is used to listen heart and lungs sound.
So, the correct answer is 'René Laennec'.
Question 6
1 / -0

The tubes which connect the kidney and urinary bladder is known as

A
Ureter

B
Kidney

C
Urethra

D
None of the above

Solution

The tubes which connect the kidney and urinary bladder are known as the ureter. Urine is formed in the kidney. From the kidney, urine is propelled into the urinary bladder through the tubes called ureters which are made of smooth muscle fibres.
So, the correct answer is 'Ureter'.
Question 7
1 / -0

Pulmonary vein carries oxygenated blood from:

A
Heart to its walls

B
Heart to lungs

C
Lungs to heart

D
Heart to all body parts

Solution

The pulmonary veins are the veins that transfer oxygenated blood from the lungs to the heart. This differentiates the pulmonary veins from other veins in the body, which carry deoxygenated blood from the rest of the body back to the heart.
So, the correct answer is option C.
Question 8
1 / -0

The composition of urine is:

A
25% water, 2.5 % urea and 2.5% other waste

B
95% water, 2.5 % urea and 2.5% other waste

C
95% water, 2.5 % urea and 12.5% other waste

D
None of the above

Solution

An adult human on average excretes 1 to 1.5 litres of urine per day. It is light yellow in colour, slightly acidic with a characteristic odour.
The composition of urine is 95% water, 2.5 % urea and 2.5% other waste.
So, the correct answer is option B.
Question 9
1 / -0

Arteries are best defined as the vessels which

A
Supply oxygenated blood to the different organs

B
Carry blood away from the heart to different organs

C
Break up into capillaries which reunite to form a vein

D
Carry blood from one visceral organ to another visceral organ
Solution
Correct option: B

Explanation:
Arteries is a blood vessel that takes blood away from the heart to different organs of the body. These carry oxygenated blood except pulmonary artery which carry deoxygenated blood.
Veins are blood vessels that carry blood towards the heart from different organs of the body. These carry deoxygenated blood except pulmonary vein which carry oxygenated blood.
Therefore, Arteries are best defined as the vessels which carry blood away from the heart to different organs.
Thus, Option B is correct.
Question 10
1 / -0

Where is blood filtered in our body?

A
Kidneys

B
Lungs

C
Liver

D
Heart

Solution

The mechanism to filter the blood is done by the blood capillaries (nephrons) in the kidneys.
Thus, Option A is correct.

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Re-Attempt Weekly Quiz Competition

Transportation in Animals and Plants Test - 8

Result

Transportation in Animals and Plants Test - 8

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SHARING IS CARING

Question 1

RBC

WBC

Platelets

None of the above

Solution

Question 2

Headphone

Microphone

Periscope

Stethoscope

Solution

Question 3

A

B

C

D

Solution

Question 4

A: Kidney, B: Urinary bladder, C: Urethra, D: Ureter

A: Kidney, B: Ureter, C: Urinary bladder, D: Urethra

A: Kidney, B: Urethra, C: Collecting duct, D: Anus

A: Kidney, B: Seminiferous tubules, C: Uterus, D: Ureter

Solution

Question 5

Antonie van Leeuwenhoek

Leopold Auenbrugger

Jean-Nicolas Corvisart

René Laennec

Solution

Question 6

Ureter

Kidney

Urethra

None of the above

Solution

Question 7

Heart to its walls

Heart to lungs

Lungs to heart

Heart to all body parts

Solution

Question 8

25% water, 2.5 % urea and 2.5% other waste

95% water, 2.5 % urea and 2.5% other waste

95% water, 2.5 % urea and 12.5% other waste

None of the above

Solution

Question 9

Supply oxygenated blood to the different organs

Carry blood away from the heart to different organs

Break up into capillaries which reunite to form a vein

Carry blood from one visceral organ to another visceral organ

Solution

Question 10

Kidneys

Lungs

Liver

Heart

Solution

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