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. After you complete this make sure to complete the second part.
HUMAN BLOOD
[ PART-1 ]
Q1. Study of Blood is called as ………..?
Ans. Hematology
Q2. Blood does not coagulate inside the body or in a blood vessel due to the presence of?
Ans. Heparin
Q3. Blood pressure is measured by which instrument?
Ans. Sphygmomanometer.
Q4. What is the other name of red blood corpuscles (RBC)?
Ans. Erythrocytes
Q5. What is the other name of white blood corpuscles (WBC)?
Ans. Leucocytes
Q6. What is the other name of blood platelets?
Ans. Thrombocytes
Q7.Which type of blood is called a Universal recipient?
Ans. AB
Q8. Which type of blood is called Universal Donor?
Ans. O
Q9. Which type of cell is most abundant in the human body?
Ans. Red blood cell (RBC) or Erythrocytes
Q10. The red color of blood is due to the presence of …………?
Ans. Hemoglobin
Q11. Which instrument is used to count the number of RBC?
Ans. Hemocytometer
Q12. Oxygen is transport in the human body by?
Ans. Blood
Q13. What is the other name of blood cancer?
Ans. Leukemia
Q14. The RH-factor is related to which animal?
Ans. Monkey
Q15. What is the pH of blood?
Ans. 7.4
Q16. Which metal is present in our blood?
Ans. Iron (Fe)
Q17. Which blood cell helps to fight infection and diseases?
Ans. WBC ( White blood cell )
Q18. What is the normal blood pressure of the human body?
Ans. 120/80 mm Hg
Q19. The only part of the body where no blood is found?
Ans. Cornea ( eyes )
Q20. When a person is sleeping, what is the effect on the number of RBC?
Ans. It reduces
Q21. What is the effect on RBC as we go to high altitude?
Ans. Number of RBC increases
Q22. What is called as “graveyard of RBC”?
Ans. Spleen
Q23. Which organ is called as “blood bank of the human body”?
Ans. Spleen
Q24. What is the lifespan of RBC?
Ans. 120 days
Q25. Which protein helps in blood clotting?
Ans. Fibrinogen
Q26. What is the two main part of blood?
Ans. Plasma (55%) And blood corpuscles (45%)
Q27. Name the three types of blood corpuscles?
Ans. i) Red blood cell (RBC)
ii) White blood cell (WBC)
iii) Blood platelets
Q28. Name the four types of blood groups?
Ans. A, B, AB, O
Q29. What is blood?
Ans. It is a fluid connective tissue.
Q30. The liquid part of blood is called as?
Ans. Plasma
Q31. What is the color of blood plasma?
Ans. Yellow
Q32. The Colour of blood plasma is yellow due to the presence of a pigment called?
Ans. Bilirubin
Q33. In an adult Person where RBC is produced?
Ans. Bone Marrow
Q34. Name the smallest RBC?
Ans. Musk deer
Q35. What is the ratio of RBC and WBC?
Ans. 600:1 [ RBC= 600 & WBC= 1 ]
Q36. Name the largest WBC?
Ans. Monocytes
Q37. Name the smallest WBC?
Ans. Lymphocytes
Q38. Which type of blood helps in blood clotting?
Ans. Blood platelets
Q39. Who discovered the blood group of humans?
Ans. Landsteiner
Q40. Name the vitamin which plays an important role in blood clotting?
Ans. Vitamin K
Q41. Name the natural anticoagulation agent present in humans?
Ans. Heparin
Q42. What is the quantity of blood in the human body?
Ans. 7-8 % Of body weight
Q43. How much less blood present in females as compared to males?
Ans. Half liter
Q44. What is the shape of RBC?
Ans. Biconcave
Q45. What is the state of blood?
Ans. viscose
Q46. RH factor was initially found in ……….?
Ans. Rhesus monkey
Q47. Filtering of blood through the artificial kidney is called as?
Ans. Dialysis
Q48. Name the fluid that is left after clotting?
Ans. Serum
Q49. What is the main function of Plasma?
Ans. Transportation of digested food, hormones, excretory product.
Q50. What is the composition of Plasma?
Ans. 90% water, 8% protein and glucose, electrolytes, hormones.
[ PART-2 ]