RBC

Q.

What is the function of RBC ?

Q. Identify the plasma protein that helps in coagulation of blood.

1. Haemoglobin
2. Fibrinogen
3. Globulin
4. Albumin

Q.

Fill in the blank:
The cup-shaped capsule of a nephron is called _____________.

Q. Give any four reasons why water is necessary in our body.​

Q.

Fill in the blank:
The functional and structural units of kidney are termed as _____________.

Q. Asphyxiation is a condition that occurs due to:

1. Rise in levels of Carbon dioxide
2. Fall in levels of Carbon dioxide
3. Rise of Oxygen level
4. Fall in O2 level

Q. In human beings respiratory pigment is .....

1. Chlorophyll
2. Water
3. Blood
4. Haemoglobin

Q.

What will be the effect of mountain climbing on your RBCs?

1. Decrease in size

2. Increase in size

3. Decrease in number

4. Increase in number

Q.

A doctor advices a bone patient to include more of milk and milk products in his everyday food. Why so?

Q. what happens when RBC and a palisade cell is placed in hypertonic , hypotonic and isotonic solutions

Q. Assertion (A) : RBC plays an important role in the transport of respiratory gases.
Reason (R) : RBC do not have cell organelles and nucleus.

1. Both (A) and (R) are false
2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
3. Both (A) and (R)are true and (R) is the correct explanation of (A)
4. (A) is true but (R) is false

Q.

Where are B and T cells made?

Q. Which of the following are characteristics of veins?

1. They have valves
2. Thin walled
3. Carry oxygen rich blood
4. Carry carbon dioxide rich blood

Q.

The number of kidneys in each human being is

1. 1

2. 2

3. 3

4. 4

Q.

Give scientific reasons for the following statements:

Mature erythrocytes in humans lack nucleus and mitochondria.

Q.

Which of the following gives blood its reddish colour?

1. The subunits of haemoglobin

2. Haemoglobin in any form

3. Oxygenated haemoglobin

4. Deoxygenated haemoglobin

Q.

The kidney is ___ organ of man.

Q. Choose the correct answer from the alternatives given.
What is name of the iron-containing protein that gives red blood vessels their colour?

1. Haemoglobin
2. Hemocyanin
3. Pyrite
4. Lymphocytes

Q. Which of the following are characteristics of veins?

1. Carry oxygen rich blood
2. They have valves
3. Thin walled
4. Carry carbon dioxide rich blood

Q. Which of the following cells do not take part in transportation?

1. RBC
2. Platelets
3. WBC
4. Both B and C

Q. For the proper functioning of the body and protection against diseases, are required.

1. vitamins
2. fats
3. proteins
4. carbohydrates

Q. Which organ is considered as “Graveyard of RBC” where most of them are destroyed by macrophages?

1. Kidney
2. Red bone marrow
3. Intestine
4. Spleen

Q. when a man goes on high altitude it RBC count increase. but a man who live there is adapted to this environment. i.e he has high no of RBC count. when he comes at low altitude , is his RBC count decreases.
and If yes , then why[i know that he didntt need enough RBC ] . but is more oxygen reaches in blood is harmful.

Q. Name the enudeate component of the blood cells.

Q.

Give the position of kidney in our body.

Q. Does the term haemolysis used for RBCs only or for all the cells?