Top Biology Gk Questions and Answers | Human Blood (part-1)

 Top Biology Gk Questions and Answers

Biology Gk Questions ans 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 ]


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