Top Biology Gk Questions and Answers
The Gk questions and answers on biology are very important for competitive exams and government job examinations like UPSC, SSC, Railway, etc. The Questions given below were asked at various times in different exams so it is most important for you.
The Questions on human blood are divided into two parts. If you don't read the first one then click here ( part-1 )
Q1. What is the meaning of heme in hemoglobin?
Ans. Iron
Q2. What is the meaning of globin in hemoglobin?
Ans. Protein
Q3. Name the scientist who discovered blood circulation in humans?
Ans. William Harvey
Q4. Which disease is caused by a deficiency of hemoglobin?
Ans. Anemia
Q5. Which disease is caused by excess hemoglobin?
Ans. Polycythemia
Q6. In a newborn baby, RBC is produced at?
Ans. Liver
Q7. Which type of blood cell shape is similar to the amoeba?
Ans. WBC
Q8. Where the formation of WBC occurs?
Ans. Bone marrow lymph node
Q9. Nucleus is ………. In RBC?
Ans. Absent
Q10. Nucleus is ………. In WBC?
Ans. Present
Q11. Nucleus is ………. In blood platelets?
Ans. Absent
Q12. What is the lifespan of WBC?
Ans. 5 to 20 Days
Q13. What is the lifespan of platelets?
Ans. 3 to 5 Days
Q14. What is the duration of clotting of blood?
Ans. 4 to 10 minutes.
Q15. Why Blood group O is called a universal donor?
Ans. Because it does not contain any antigen.
Q16. Why blood group ab is called a universal receiver?
Ans. Because it does not contain any antibody.
Q17. Name the process by which blood cells and platelets are formed in the human body?
Ans. Haemopoiesis and Hematopoiesis
Q18. How many types of blood corpuscles?
Ans. 3
Q19. How many types of blood group the human body?
Ans. 4
Q20. Which cells produce antibodies?
Ans. WBC
Q21. Plasma without the clotting factor is called?
Ans. Serum
Q22. What is called an abnormal rise in RBC count?
Ans. Polycythemia
Q23. What is called if the number of RBC decreases?
Ans. Erythrocytopenia
Q24. Which protein is present in hemoglobin?
Ans. Globin
Q25. What is the color of the leucocyte (WBC)?
Ans. Colorless
Q26. What is called a rise in the number of WBC?
Ans. Leucocytosis
Q27. What is called a decrease in the number of WBC?
Ans. Leukopenia
Q28. What is called an increase in the number of platelets?
Ans. Thrombocytosis
Q29. Which disease is also known as Christmas disease?
Ans. Haemophilia
Q30. Neutrophils and Lymphocytes originate from?
Ans. Bone marrow
Q31. What is called a decrease in the number of platelets?
Ans. Thrombocytopenia
Q32. How much blood is present in the adult human body?
Ans. 4.5-5.5 liters
Q33. Which organ filters the blood in the human body?
Ans. Spleen / Kidney
Q34. The maximum amount of sugar present in human blood in the form of?
Ans. Glucose
Q35. Leukemia or blood cancer is an abnormal increase of?
Ans. White blood cell (WBC)
Q36. Which type of blood corpuscles is called a soldier of the body?
Ans. White blood cell (WBC)
Q37. Deficiency of which blood cell cause decreases anemia?
Ans. Red blood cell (RBC)
Q38. Lymph is expressed as?
Ans. Lymph = Blood - RBC OR Plasma + WBC
Q39. During pregnancy, Rhesus incompatibility disease is called as ……..?
Ans. Erythroblastosis fetalis
Q40. Which blood group does not contain any antigen?
Ans. Blood group ‘O’
Q41. Which blood group does not contain any antibody?
Ans. blood group ‘AB’
Q42. How much blood flow through the kidney per minute?
Ans. 1200 cc
Q43. What is called a matrix of blood?
Ans. Serum
Q44. In the blood coagulation process which cation is required for the conversion of prothrombin into active thrombin by thermoplastic?
Ans. Ca^2+ ( Calcium ion )
Q45. The insufficient blood supply in the human body is called as?
Ans. Ischemia
Q46. During blood coagulation thermoplastic is released by …..?
Ans. Damaged blood vessel and surrounding tissues
Q47. Hypertension is the term used when ………..
Ans. Blood pressure increases
Q48. What is the full form of RH in the RH factor?
Ans. Rhesus
Q49. What is the average life of platelets?
Ans. 10 Days
Q50. Which hormone control blood pressure in the human body?
Ans. Adrenal
Q51. What is the ratio of WBC: platelets in blood?
Ans. 1: 40
Q52. What is the lifespan of WBC?
Ans. 3-20 Days
Q53. What is the lifespan of platelets?
Ans. 8-9 Days
Q54. What is the storage life of donating red blood cells (RBC)?
Ans. 35-42 Days
Q55. What is the storage life of donating Platelets?
Ans. 5 Days
Q56. In our body, most of the gold found in……?
Ans. Blood ( Traces of 0.2-milligram total gold found in the body).