Transportation in Plants and Animals Test

Result

Transportation in Plants and Animals Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

If the heart is cut out from the body of a frog,

A
it will continue beating for a long time if it is kept moist

B
it will continue beating for a long time if it is kept dry

C
it will not beat at all

D
None of the above

Solution

If the heart is cut out from the body of a frog, it will continue beating for a long time if it is kept moist. The poikilotherm heart has a built-in pacemaker (a group of neural cells sending out regular impulses) allowing the heart to beat for hours even after the brain is no longer connected to the heart.
Question 2
1 / -0

In mammals, the role of spleen is to

A
assist the kidney

B
assist the liver

C
control blood pressure

D
act as hematopoietic organ

Solution

In mammals, the role of spleen is to assist the liver.The spleen acts as a blood filter; it controls the amount of red blood cells and blood storage in the body, and helps to fight infection.
Question 3
1 / -0

Leukopenia is the condition when

A
bone marrow is destroyed

B
the total number of lymphocytes decreases from 2% to 0.5%

C
the total number of leukocytes increases above 6,000 per cubic mm

D
the total number of leukocytes decreases below 5000 per cubic mm

Solution

Leukopenia is the condition when the total number of leukocytes decreases below 5000 per cubic mm. Leukopenia can be identified with a complete blood count..
Question 4
1 / -0

The weight of heart of men varies from 280 to 340 g. In women, it varies from

A
200 - 300 g

B
300 - 400 g

C
230 - 280 g

D
250 - 290 g

Solution

The weight of heart of men varies from 280 to 340 g. In woman, it varies from 230 - 280 g.
Question 5
1 / -0

If the pacemaker is absent,

A
only auricles will contract

B
only ventricles will contract

C
cardiac muscles will contract in a coordinated manner

D
cardiac muscles will not contract in a coordinated manner

Solution

If the pace maker is absent, cardiac muscles will contract in a coordinated manner because pace maker sets the rhythmic contractions.
Question 6
1 / -0

The phase of contraction of the heart is termed as

A
heartbeat

B
systole

C
diastole

D
heart sound

Solution

The phase of contraction of the heart is termed as systole.
Question 7
1 / -0

The auriculo-ventricular node was discovered by

A
William Harvey

B
Ringer

C
Aristotle

D
His

Solution

The atrioventricular node is a part of the electrical conduction system of the heart that coordinates the top of the heart.
Question 8
1 / -0

The atrioventricular node is located on the

A
right side of interauricular septum

B
right side of interventricular septum

C
middle of interauricular septum

D
middle of interventricular septum

Solution

The atrioventricular node is located on the right side of interauricular septum.
Question 9
1 / -0

The mitral (bicuspid) valve in mammals guards the opening between

A
stomach and intestine

B
pulmonary vein and left auricle

C
right atrium and right ventricle

D
left atrium and left ventricle

Solution

The mitral (bicuspid) valve in mammals guards the opening between left atrium and left ventricle. It has two flaps.
Question 10
1 / -0

A lymph node is regarded as a part of the

A
circulatory system

B
digestive system

C
endocrine system

D
nervous system

Solution

Lymph nodes are major sites of B, T and other immune cells.

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Re-Attempt Weekly Quiz Competition

Transportation in Plants and Animals Test - 6

Result

Transportation in Plants and Animals Test - 6

Score

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Rank

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SHARING IS CARING

Question 1

it will continue beating for a long time if it is kept moist

it will continue beating for a long time if it is kept dry

it will not beat at all

None of the above

Solution

Question 2

assist the kidney

assist the liver

control blood pressure

act as hematopoietic organ

Solution

Question 3

bone marrow is destroyed

the total number of lymphocytes decreases from 2% to 0.5%

the total number of leukocytes increases above 6,000 per cubic mm

the total number of leukocytes decreases below 5000 per cubic mm

Solution

Question 4

200 - 300 g

300 - 400 g

230 - 280 g

250 - 290 g

Solution

Question 5

only auricles will contract

only ventricles will contract

cardiac muscles will contract in a coordinated manner

cardiac muscles will not contract in a coordinated manner

Solution

Question 6

heartbeat

systole

diastole

heart sound

Solution

Question 7

William Harvey

Ringer

Aristotle

His

Solution

Question 8

right side of interauricular septum

right side of interventricular septum

middle of interauricular septum

middle of interventricular septum

Solution

Question 9

stomach and intestine

pulmonary vein and left auricle

right atrium and right ventricle

left atrium and left ventricle

Solution

Question 10

circulatory system

digestive system

endocrine system

nervous system

Solution

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