body fluid

Plasma is a straw coloured viscous fluid constituting nearly ____A_ % of the blood, ___B___ % of the plasma is water; and the protein constitutes ___C____ % of it Choose the correct option for the blanks A, B and C

• A:55

  B:90-92

  C:6-8

• A:45

  B: 70-80

  C:6-8

• A:35

  B:90-92

  C:6-8

• A:45

  B:90-92

  C:6

Choose the wrong statement about human Erythrocytes:

• healthy adult man has, 5 millions to 5.5 millions of RBCs mm–3 of blood.

• biconcave in shape

• healthy individual has 12-16 gms of haemoglobin in every 1000 liter of blood.

• Haemoglobin molecules play a significant role in transport of respiratory gases

Choose the incorrect statement about Leucocytes:

• They are nucleated and are relatively lesser in number which averages 6000-8000 mm–3 of blood.

• Neutrophils, eosinophils and basophils are different types of granulocytes.

• Neutrophils are the most abundant cells (70-75 per cent) of the total WBCs

• Neutrophils and monocytes (6-8 per cent) are phagocytic cells which destroy foreign organisms entering the body.

Identify the correct statement from below

• RBCs are the least abundant blood cells

• They have a red coloured, copper containing pigment

• RBCs are devoid of nucleus in most mammals

• They are biconvex in shape

Special fluids for circulation, exchange of nutrients and wastes within body are found in

• Simple unicellular organisms

• Simple multicellular organisms

• Complex multi-cellular organisms

• All living organisms

Normal blood pH is

• 7.2

• 7.3

• 7.4

• 7.5

A child of O-group has A-group father. The genotype of father will be

• I^o I^o

• I^BI^B

• I^A I^B

• I^A I^o

A person with blood group A^- requires blood. The blood group which can be given is

• A & B⁺

• A⁺ & AB^-

• A^- & O^-

• A^-, B⁺, AB^- & O^-

Factors present on surface of RBCs related to heredity are

• Blood groups

• Antigens

• Antibodies

• Haemoglobin

Lymphatic capillaries resemble blood capillaries because lymphatic capillaries :

• have the same permeability as blood capillaries

• lead to the vena cava

• have a lining of endothelium.

• are thick walled tubes.