GK Quiz in Hindi: Why is the color of blood red? Know 10 special things about the blood running in your veins

10 questions of GK

Question 1. What is the main function of blood in our body?
(A) Helping in digesting food
(B) controlling body temperature
(C) To deliver oxygen and nutrients to all organs.
(D) To protect our organs from harmful elements outside.
Answer – (C)
Question 2. What is the name of the disease caused by deficiency of hemoglobin in blood?
(A) Anemia
(B) Leukemia
(C) Hemophilia
(D) Haematopoiesis
Answer- Anemia. Most of the people in India are suffering from anemia. Most women suffer from anemia. (Photo- Freepik)

Blood related questions and answers PDF

Question 3. A person of which blood group can donate blood to any person?
(A) Blood group ‘A’
(B) O
(C) AB
(D) B
Answer – (B) O is a blood group which is called universal donor. A person who has blood group O can donate blood to everyone.
Question 4. A person of which blood group can take blood from any person?
(A) O
(B) AB
(C) B
(D) A
Answer- The correct answer is AB, it is called universal recipient. If your blood group is AB, then anyone with any blood group can give you blood. (Photo- Freepik)

important questions and answers of science

Question 5. Which element of blood increases our immunity and helps in fighting infections?
(A) Red blood cells (RBC)
(B) White blood cells (WBC)
(C) Plasma
(D) Platelets
Answer- Option B is the correct answer, i.e. WBC- White Blood Cells.
Question 6. Which is the protein in the blood that helps in blood clotting and stops bleeding when cut?
(A) Hemoglobin
(B) Fibrin
(C) Collagen
(D) Insulin
Answer- Due to fibrin, bleeding stops with the help of blood clotting. (Photo- Freepik)

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Question 7. Which part of the blood delivers oxygen to the cells of our body and prevents carbon dioxide from reaching it?
(A) WBC
(B) RBC
(C) Lymphocytes
(D) Platelets
Answer: The function of Red Blood Cells (RBCs) is to separate oxygen from all types of gases that enter the body through our breath and transport it to all the organs and cells. Along with this, red blood cells also remove the harmful gas carbon dioxide from the cells of the body.

Question 8. How much blood is there on average in an adult human body?
(A) 2 liters
(B) 1 liter
(C) 8 liters
(D) 5 liters
Answer- 5 liters
(Photo- Freepik)

gk question answer

Question 9. Due to what, the color of blood becomes red?
(A) Lymphocytes
(B) Platelets
(C) Plasma
(D) Hemoglobin
Answer: Blood is red in color due to hemoglobin. Hemoglobin contains iron atoms and a red colored compound called heme.
Question 10. What is the normal blood pressure of a person (in mmHg)?
(A) 160/100
(B) 135/85
(c) 120/80
(d) 100/70
Answer- 120/80
(Photo- Freepik)