Kerala PSC - Important and Expected General Science Questions - 53

---

1. What should be the Biochemical Oxygen Demand (BOD) for clean water?

---

2. In the preparation of Bordeaux Mixture, which chemical is added to copper sulphate?

---

3. A system that freely exchanges energy & matter with its surroundings is known as

---

4. Human body is an example for ___ system?

---

5. What is the name of the system that exchanges only energy with tis surroundings, not matter?

---

6. What are the examples for peptide hormones?

---

7. Which type of hormones are water soluble & act on the surface of the target cells?

---

8. Which type of hormones are lipid soluble & move through the plasma membranes of target cells?

---

9. What are the examples of steroid hormones?

---

10. What is the purpose of the catalyst converter used in the vehicles?

---

11. Which is the most widely used catalytic converter?

---

12. Which test is used to differentiate cow milk from buffalo milk?

---

13. Which test is conducted to detect the adulteration of ghee with vanaspati?

---

14. Which is the only horizontal bone in skeleton?

---

15. Which bone of human body is also known as 'little key'?

---

16. Which is the only bone in the human skeleton that not articulated to any other bone?

---

17. Which type of bacteria is having the Chinese letter pattern arrangement?

---

18. What is generally used as refrigerant in ice plants?

---

19. A disease spread through contact with soil is

---

20. The heart of a healthy man beats normally per minute

---

More General Science Questions

---