The Circulatory System Test

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The Circulatory System Test - 8

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Weekly Quiz Competition

Question 1
1 / -0

If blood clotting in a person takes up more time than 5 minutes, which of following vitamins is deficient in his body?

A
Vitamin A

B
Vitamin B

C
Vitamin K

D
Vitamin E

E
Vitamin C
Question 2
1 / -0

Which of the following statements is true about plasma?

A
It is a dark red coloured part of blood, which contains blood corpuscles.

B
It contains various inorganic salts like chlorides, carbonates, sulphates, etc.

C
It only circulates enzymes and hormones in the body.

D
It prevents the entry of water into the blood capillaries.

E
It helps in the clotting of blood by secreting specific enzymes.
Question 3
1 / -0

Which of the following is not a function of leucocytes?

A
Destroy bacteria and other microbes by engulfing them

B
Destroy the damaged cells by phagocytosis

C
Carry oxygen in the form of oxyhaemoglobin to various body parts

D
Help in the formation of antibodies

E
Provide immunity to the body
Question 4
1 / -0

Why do erythrocytes have disc like structures?

A
To increase the rate of respiration

B
To increase the surface area

C
To increase the synthesis of ATP molecules

D
To travel easily in the fine blood capillaries

E
To allow the passage of oxygen inside the cell
Question 5
1 / -0

Which of the following statements is NOT true about the circulatory system?

A
Blood, tissue fluid and lymph are the circulatory medium.

B
Arteries, veins and capillaries are the blood vessels, which circulate the blood in the body.

C
About 55 - 60 percent of the blood is fluid called plasma.

D
Blood always moves from heart through veins and back to the heart through arteries.

E
Blood is slightly alkaline in nature with a pH range of 7.3 - 7.5.
Question 6
1 / -0

If a person is injured and blood is coming out of the wound. Which of the following helps to initiate the clotting of blood by secreting a coagulating chemical?

A
Leucocytes

B
Erythrocytes

C
Lysosymes

D
Platelets

E
Phagocytes
Question 7
1 / -0

Which of the following statements about basophils is not true?

A
They account for 50 - 70% of the WBCs in our body.

B
Their nucleus is lobed.

C
Their cytoplasmic granules can be stained with basic dyes.

D
They produce allergy to foreign materials.

E
They produce histamine, which dilates the blood vessels.
Question 8
1 / -0

Which of the following is called blood cancer?

A
Polycythemia

B
Erythrocytopaenia

C
Leucopoenia

D
Leukaemia

E
Cytopaenia
Question 9
1 / -0

In which of the following organs of an embryo are the RBCs formed?

A
Heart and bone marrow

B
Bone marrow and pancreas

C
Pancreas and heart

D
Spleen and liver

E
Liver and heart
Question 10
1 / -0

Which of the following cells do not respire and lack mitochondria and ribosomes?

A
WBC only

B
RBC only

C
Platelets only

D
WBC and RBC

E
Platelets and WBC
Question 11
1 / -0

Which of the following cells have 3 - 6 lobed nucleus?

A
Eosinophil

B
Neutrophil

C
Basophil

D
Lymphocyte

E
Monocyte
Question 12
1 / -0

Where does the destruction of mammalian erythrocytes take place?

A
Spleen and liver

B
Liver and kidneys

C
Alimentary canal and liver

D
Pancreas and spleen

E
Liver and heart

Question 13

1 / -0

Match the following and choose the correct option given below.

I. Polycythemia	(i) Increased WBC`s
II. Erythrocytopenia	(ii) Decreased RBC`s
III. Leucopenia	(iii) Decreased WBC`s
IV. Leukemia	(iv) Increased RBC`s

I - (iv), II - (ii), III - (iii), and IV - (i)

I - (i), II - (ii), III - (iii), and IV - (iv)

I - (iii), II - (iv), III - (ii), and IV - (i)

I - (iii), II - (i), III - (ii), and IV - (iv)

I - (ii), II - (i), III - (iii), and IV - (iv)

Question 14
1 / -0

White blood cells engulf bacteria in a process called:

A
Diapedesis

B
Phagocytosis

C
Active transport

D
Passive transport

E
Lymphocytes

Solution

White blood cells engulf bacteria in a process called Phagocytosis.
Phagocytosis is the process by which a cell uses its plasma membrane to engulf a large particle (≥ 0.5 μm), giving rise to an internal compartment called the phagosome. It is one type of endocytosis. A cell that performs phagocytosis is called a phagocyte.
Hence, the correct option is (B).
Question 15
1 / -0

Why are RBCs small in size?

A
To carry least amount of oxygen

B
To provide less surface area to the pathogens

C
To travel in a very fine blood capillaries

D
As they lack cell organelles and nucleus

E
As their life span is very small
Question 16
1 / -0

Which of the following is the fate of RBCs after destruction?

A
The cells are digested by lysosomes completely.

B
Their iron part is retained in the liver.

C
Whole of the cell is excreted out of the cell as billirubin.

D
Their nucleus is stored in the body for the synthesis of new cells.

E
Some of the cells have the ability to regenerate from their broken parts.
Question 17
1 / -0

Which of the following statements is incorrect about WBCs?

A
They are irregular shaped cells.

B
They show amoeboid movement.

C
Granulocytes have unlobed nuclei

D
Agranulocytes lack granules in their cytoplasm.

E
These cells lack haemoglobin and are colourless.
Question 18
1 / -0

Which of the following statements about erythrocytes is incorrect?

A
They are bound by elastic and a semi permeable membrane.

B
They are produced in the spleen in adults.

C
Their average life span is about 120 days.

D
About 5 - 5.5 millions of RBCs are present in an average human male.

E
They have a colourless spongy body, which contains haemoglobin.
Question 19
1 / -0

It is important to prevent blood clotting in the uninjured blood vessels so that blood flows at a regular pace. Which of the following is a natural anticoagulant?

A
Histamin

B
Thromoboplastin

C
Heparin

D
Thrombin

E
Rennin

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The Circulatory System Test - 8

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The Circulatory System Test - 8

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Question 1

Vitamin A

Vitamin B

Vitamin K

Vitamin E

Vitamin C

Question 2

It is a dark red coloured part of blood, which contains blood corpuscles.

It contains various inorganic salts like chlorides, carbonates, sulphates, etc.

It only circulates enzymes and hormones in the body.

It prevents the entry of water into the blood capillaries.

It helps in the clotting of blood by secreting specific enzymes.

Question 3

Destroy bacteria and other microbes by engulfing them

Destroy the damaged cells by phagocytosis

Carry oxygen in the form of oxyhaemoglobin to various body parts

Help in the formation of antibodies

Provide immunity to the body

Question 4

To increase the rate of respiration

To increase the surface area

To increase the synthesis of ATP molecules

To travel easily in the fine blood capillaries

To allow the passage of oxygen inside the cell

Question 5

Blood, tissue fluid and lymph are the circulatory medium.

Arteries, veins and capillaries are the blood vessels, which circulate the blood in the body.

About 55 - 60 percent of the blood is fluid called plasma.

Blood always moves from heart through veins and back to the heart through arteries.

Blood is slightly alkaline in nature with a pH range of 7.3 - 7.5.

Question 6

Leucocytes

Erythrocytes

Lysosymes

Platelets

Phagocytes

Question 7

They account for 50 - 70% of the WBCs in our body.

Their nucleus is lobed.

Their cytoplasmic granules can be stained with basic dyes.

They produce allergy to foreign materials.

They produce histamine, which dilates the blood vessels.

Question 8

Polycythemia

Erythrocytopaenia

Leucopoenia

Leukaemia

Cytopaenia

Question 9

Heart and bone marrow

Bone marrow and pancreas

Pancreas and heart

Spleen and liver

Liver and heart

Question 10

WBC only

RBC only

Platelets only

WBC and RBC

Platelets and WBC

Question 11

Eosinophil

Neutrophil

Basophil

Lymphocyte

Monocyte

Question 12

Spleen and liver

Liver and kidneys

Alimentary canal and liver

Pancreas and spleen

Liver and heart