Tag: soldiers of defense

Questions Related to soldiers of defense

A malfunction of the lymph nodes would most likely interfere with the

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. Release of carbon dioxide into the lymph.

  2. Filtering of glucose from the lymph.

  3. Release of oxygen into the lymph.

  4. Filtering of bacteria from the lymph.

Show answer
Correct Option: D
Explanation:
The lymphatic system not only regulates fluid amounts in the blood but also helps to fight infection. The lymph nodes located throughout our bodies, produce white blood cells and filter harmful bacteria, which is why they tend to enlarge when we have an infection.
Therefore, the correct answer is option D.

Lymph does not contain 

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. Red blood cells

  2. White blood cells

  3. Platelets

  4. Both A and C

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Correct Option: D
Explanation:

Lymph does not contain RBCs and blood platelets. Leucocyte count is low but the lymphocyte (WBCs) content is quite high due to passage of lymph through lymph nodes. 

Spleen is a _______

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. Part in heart

  2. Part of central nervous system

  3. Lymphatic organ

  4. All of the above

Show answer
Correct Option: C
Explanation:

Spleen is a large lymphatic organ, about the size of a clenched fist, reddish brown in colour and situated in the abdomen behind the stomach and above the left kidney.

Spleen is ________

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. Blue in colour

  2. Reddish brown in colour

  3. Greenish blue in colour

  4. All of the above

Show answer
Correct Option: B
Explanation:

Spleen is a large lymphatic organ,about the size of a clenched fist, reddish brown in colour and situated in the abdomen, behind the stomach and above the left kidney.

Cellular part of lymph contains

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. Only Leukocytes

  2. Water

  3. Proteins

  4. All of the above

Show answer
Correct Option: A
Explanation:

Cellular part of lymph contains only leukocytes (mostly lymphocytes) and no blood platelets.

Which of the following is not a function of spleen?

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. It produces lymphocytes

  2. It destroys worn out RBCs, so also known as graveyard of RBCs

  3. In an embryo, it produces RBCs

  4. None of these

Show answer
Correct Option: D
Explanation:

Functions:- 
1. It acts like a blood reservoir. In an emergency such as haemorrhage, physical or emotional stress, or in carbon monoxide poisoning, the spleen releases the stored blood into the blood stream.
2. It produces lymphocytes.
3. It destroys worn out RBC, so also known as graveyard of RBC.
4. In an embryo it produces RBC.

Spleen is situated

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. In the abdomen

  2. In the brain

  3. In leg

  4. In the ears

Show answer
Correct Option: A
Explanation:

Spleen is a large lymphatic organ, about the size of a clenched fist, reddish brown in colour and situated in the abdomen behind the stomach and above the left kidney.

Which of the following is not a function of lymph?

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. Supplies oxygen and prevents spreading of infections

  2. Returns proteins to the blood

  3. Absorbs vitamins and minerals

  4. None of the above

Show answer
Correct Option: D
Explanation:

Lymph supplies oxygen, nutrients, hormones, etc to the cells and removes metabolic wastes from the cells. It destroys microorganisms in the lymph nodes and prevents spreading of infections. It absorbs and transports fat, fat soluble vitamins and minerals from intestine. It maintains the volume of blood. It returns proteins and fluids to the blood. 

Thus, the correct answer is option D.

Which of the following are circulating fluids of the body?


a) Blood         b) Hormones       c) Lymph

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. a, b

  2. b, c

  3. a, c

  4. All of the above

Show answer
Correct Option: C
Explanation:

All such functions that need transport are performed by the two circulating fluids the blood and the lymph. Beside transport, These fluids has some other functions also.

Which of the following destroys worn out RBCs ?


a) Liver
b) Kidney
c) Spleen

biology soldiers of defense human lymphatic system lymph and its function lymph and tissue fluid

  1. a, b

  2. a, c

  3. b, c

  4. All of the above

Show answer
Correct Option: B
Explanation:

Spleen's main function is to act as a filter for blood. It recognizes and removes old, malformed, or damaged red blood cells. It destroys worn out RBC  (sharing this function with liver)