Blood

Q.

Why the blood have red colour

Q. The fluid component of blood is called __.

1. plasma
2. lymph
3. RBC
4. WBC

Q.

Where is urine stored in the body?

Q.

What is a T4 lymphocyte?

Q.

EDTA stands for____

1. Ethylene Diamine Tetra Ammonia

2. Ethylene Deoxycarbon Tetra Acetic Acid

3. Ethylene Diamine Tetra Acetic Acid

4. Ethene Diamine Tetra Acetic Acid

Q. The protein found in blood that is responsible for transporting oxygen is:

1. Plasma
2. Erythropoietin
3. Cyanoglobin
4. Haemoglobin

Q. What is the RBC count of normal humans?

Q. Which of the following cells secretes antibodies?

1. Monocytes
2. Lymphocytes
3. Neutrophils
4. Basophils

Q. Which of the following statements is true regarding platelets?

1. Platelets are also called thrombocytes
2. Platelets are a component of blood
3. All of the above
4. Platelets are tiny blood cells that help your body form clots to stop bleeding

Q.

Assertion (A) – RBCs are circular and biconcave in shape lacking all cell organelles.

Reason (R) - Circular and biconcave shape increases the surface area for oxygen binding and the lack of organelles results in no self-utilisation of the oxygen being carried.

1. Both A and R are correct and R is the correct explanation of A.

2. A is correct but R is wrong

3. A is wrong but R is correct

4. Both A and R are wrong

Q. Which part of our body is known as the factory of producing rbcs?

Q.

Which of the following are the three principal body fluids present in humans?

1. Blood, tissue fluids and lymph

2. Blood, hormones and lymph

3. Blood, enzymes and lymph

4. Blood, hormones and enzymes

Q. Mention of the following statements are True(T) or False(F)

(b) Antibodies eat up the germs.

Q.

Platelets help in clotting of blood.

1. True

2. False

Q.

The colour of blood is due to the presence of ______.

1. Platelets

2. Red Blood Cells

3. Plasma

4. White Blood Cells

Q.

Where are clotting proteins produced?

Q. Name any two cell which lack nucleus

Q.

Identify the option that specifies the correct components of blood.

1. Red Blood Cells, Stem Cells, Plasma, Platelets

2. Red Blood Cells, White Blood Cells, Platelets, Plasma

3. Cardiac cells, White Blood Cells, Stem Cells, Plasma

4. Red Blood Cells, White Blood Cells, Stem Cells, Platelets

Q.

The shape of RBC is _____.

1. square

2. elliptical

3. biconcave

4. oval

Q.

Yellow liquid component of the blood which carries the cells in suspension is known as :

1. plasma

2. 2.formed elements

3. macrophages

4. lymphocytes

Q. How do you think plasma regulates the body temperature?

Q.

Give reason, serum does not clot.

Q.

Is tea a vasoconstrictor?

Q.

Which tube connects the kidney to the urinary bladder?

Q.

Which of the following is a correct statement?

1. B-cells directly engulf the pathogenic bacteria

2. B-cells produce antibodies soon after they are produced

3. B-cells produce a large clone of plasma soon after it is formed

4. B-cells produce the plasma cells in the body only after they are triggered by a specific antigen

Q.

Name different types of white blood cells. [2 MARKS]

Q.

_______ are animals that neither possess nor develop a vertebral column.

1. Vertebrates

2. Invertebrates

3. Plantae

4. Fungi

Q.

Why is blood called a connective tissue

Q.

In each of the following sets of body parts or substances or processes, pick out the one item which overall includes the remaining four.

(b) Skin, liver, lungs, kidneys, excretion.

Q.

Which one of the following leucocytes transforms into macrophages?

1. Eosinophil

2. Basophil

3. Monocyte

4. Lymphocyte