Biology

Human Immunity and Blood

2,096 Questions

Human immunity and blood questions cover the physiological mechanisms protecting the body against diseases and the components of blood. Topics include blood groups, cell mediated immunity, monoclonal antibodies, and blood coagulation. These biology topics frequently appear in general science sections of competitive exams.

Blood groupsCell mediated immunityMonoclonal antibodiesBlood coagulationCancer immunology

Human Immunity and Blood Questions

Multiple choice

Immunoglobulins are

  1. glycoproteins

  2. carbohydrates

  3. cholesterols

  4. proteins
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Glycoproteins

Multiple choice

Interleukin signifies

  1. substances produced by leucocytes that regulate other cells

  2. substances produced by leucocytes that regulate their own functions

  3. substances produced by leucocytes that have no significant function

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

substances produced by leucocytesthat regulate other cells

Multiple choice

What is the production of red blood cells called?

  1. Coagulation

  2. Biogenesis

  3. Erythropoiesis

  4. Totipotency
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ans - 3

Blood cell formation is termed as hematopoiesis and production of RBC's i.e red blood corpuscles as erythropoiesis.

Multiple choice

The total life cycle of the red blood cell is

  1. 20-45 days

  2. 12-80 days

  3. 80-120 days

  4. 120-140 days

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The average lifespan of a human red blood cell is approximately 120 days, after which they are removed by the spleen and liver.