Quiz on Science

1. Energy is released by plants during ………………..

2. What is the hardest substance in the human body?

3. The blood vessel that carries oxygenated blood to the liver is……………….

4. Which organ does not function when nitrogenous waste accumulates in the blood?

5. In the human body, carbohydrates are stored as glycogen in which part…

6. Blood does not clot in the blood vessels due to the presence of……………

7. Turmeric is obtained from which part of the plant……….

8. Which of the following cells produces insulin?

9. Which of the following diseases is caused by viruses?

10. Hemoglobin is one of the most important components of………….

11. Aquatic animals with the most developed intelligence are……..

12. When exposed to early morning sun rays, the human body produces which vitamin ?

13. Blood clotting is delayed in which of the following conditions ?

14. The Bile is produced by………..

15. Genes are hereditary units found in…………

16. Fat is stored in the human body in …………….

17. Malaria can be cured with a drug derived from………..

18.

19. Hereditary diseases include which of the following……….

20. The biological death of a patient means that the patient has dead……….