Body Fluids and Circulation Test

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Body Fluids and Circulation Test - 34

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Weekly Quiz Competition

Question 1
1 / -0

Lymph does not contain:

A
Red blood cells

B
Digested fats

C
Haemoglobin

D
Both A and C

Solution

Lymph does not contain red blood cells (RBCs). Haemoglobin is a protein that is found on RBC. So, lymph does not contain haemoglobin. Lymph carries digested and absorbed fats from the small intestine.
Therefore, the correct answer is option D.
Question 2
1 / -0

A vein which starts with capillaries and also ends in capillaries

A
Hepatic vein

B
Portal vein

C
Both

D
None
Question 3
1 / -0

A human digestive enzyme breaks down its substrate at a fast rate at $$35^{\circ}C$$. What would occur if the enzyme and substrate were kept at $$75^{\circ}C$$?

A
The enzyme would stop working and be denatured.

B
The reaction would continue at the same rate.

C
The reaction would take place more quickly.

D
The reaction would take place more slowly.

Solution

Increase in temperature increases the rate of reaction. The enzyme activity gradually increases with temperature up to around $$35^{\circ}C$$, or body temperature. Then, as the temperature continues to rise, the rate of reaction falls rapidly as heat energy denatures the enzyme. Thus, at $$75^{\circ}C$$ the enzymes would get denatured.
Question 4
1 / -0

How lymph acts as middle man in the body ?

A
It transports food materials, oxygen, hormones etc. to the body cells and brings carbon dioxide and other metabolic wastes from the body cells to blood and then finally pours the same into venous system.

B
It transports metabolic wastes, carbon dioxide, hormones etc. to the body cells and brings oxygen and other food materials from the body cells to blood and then finally pours the same into venous system.

C
It transports metabolic wastes, carbon dioxide, hormones etc. to the body cells and brings oxygen and other food materials from the body cells to blood and then finally pours the same into arterial and capillary system.

D
All of the above

Solution

Lymph acts as middle man which transports food materials, oxygen, hormones etc to the body cells and brings carbon dioxide and other metabolic wastes from the body cells to blood and then finally pours the same into venous system. Also body cells are kept moist by the lymph.
Question 5
1 / -0

Which of the following is an example of portal vein?

A
Renal portal vein

B
Hepatic portal vein

C
Both A and B

D
None of the above

Solution

The hepatic portal vein carries blood from the spleen and intestines into the liver. The veins from the spleen and intestines break into capillaries before entering the liver as the hepatic portal vein.
The renal portal vein is involved in the movement of the blood from the renal glomeruli to the peritubular plexus that surround the proximal and distal convoluted tubules.
So, the correct answer is option C.
Question 6
1 / -0

The veins starting from the stomach and intestines do not directly convert the blood to the posterior vena cava. Instead, they first enter the ........... as a combined hepatic portal vein.

A
Kidney

B
Pancreas

C
Spleen

D
Liver

Solution

The hepatic portal vein carries blood from the spleen and intestines into the liver. The veins from the spleen and intestines break into capillaries before entering the liver as the hepatic portal vein.
So, the correct answer is option C.
Question 7
1 / -0

Cellular part of lymph contains

A
Only Leukocytes

B
Water

C
Proteins

D
All of the above

Solution

Cellular part of lymph contains only leukocytes (mostly lymphocytes) and no blood platelets.
Question 8
1 / -0

The lymph is ....... in nature.

A
Solid

B
Liquid

C
Semi-solid

D
Gas

Solution

Lymph is watery clear fluid or colorless because it lacks red blood cells (erythrocytes). It consists of plasma and white blood cells (leucocytes) only.
So, the correct answer is option B.
Question 9
1 / -0

Red color of blood is due to the presence of __________.

A
Lymphocytes

B
Thrombocytes

C
Erythrocytes

D
Leucocytes

Solution

Blood contains three different types of cells: White blood cells (WBCs), Red blood cells (RBCs), and platelets. RBCs have red color due to a pigment called haemoglobin present in them. It carries oxygen.
Hence, RBCs impart a red colour to the blood.
Thus, C is the correct option.
Question 10
1 / -0

The immune system helps to protect you against viruses and bacteria that can cause sickness. Which cells are part of the immune system?

A
White blood cells

B
Red blood cells

C
Nerve cells

D
None of the above
Solution
White blood cells (WBCs), also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, viruses, and germs that invade the body. White blood cells originate in the bone marrow but circulate throughout the bloodstream. There are five major types of white blood cells:
- Neutrophils
- Lymphocytes
- Eosinophils
- Monocytes
- Basophils
Hence the correct option is A.

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Body Fluids and Circulation Test - 34

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Body Fluids and Circulation Test - 34

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Question 1

Red blood cells

Digested fats

Haemoglobin

Both A and C

Solution

Question 2

Hepatic vein

Portal vein

Both

None

Question 3

The enzyme would stop working and be denatured.

The reaction would continue at the same rate.

The reaction would take place more quickly.

The reaction would take place more slowly.

Solution

Question 4

It transports food materials, oxygen, hormones etc. to the body cells and brings carbon dioxide and other metabolic wastes from the body cells to blood and then finally pours the same into venous system.

It transports metabolic wastes, carbon dioxide, hormones etc. to the body cells and brings oxygen and other food materials from the body cells to blood and then finally pours the same into venous system.

It transports metabolic wastes, carbon dioxide, hormones etc. to the body cells and brings oxygen and other food materials from the body cells to blood and then finally pours the same into arterial and capillary system.

All of the above

Solution

Question 5

Renal portal vein

Hepatic portal vein

Both A and B

None of the above

Solution

Question 6

Kidney

Pancreas

Spleen

Liver

Solution

Question 7

Only Leukocytes

Water

Proteins

All of the above

Solution

Question 8

Solid

Liquid

Semi-solid

Gas

Solution

Question 9

Lymphocytes

Thrombocytes

Erythrocytes

Leucocytes

Solution

Question 10

White blood cells

Red blood cells

Nerve cells

None of the above

Solution

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