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Natural Science: Questions & Answers

PSC NATURAL SCIENCE QUESTIONS AND ANSWERS


NATURAL SCIENCE QUESTIONS AND ANSWERS / PSC Questions and Answers
:- PSC Degree Level Questions and Answers
 - KAS Questions and Answers / PSC New Pattern Syllabus Question

PSC Exam Questions and Answers

1. BCG Vaccine is used to prevent: 
Answer: Tuberculosis 

2. Which is known as 'growth gland': 
Answer: Pituitary 

3. The first effective vaccine against polio was discovered by: 
Answer: Jonas E Salk 

4. Which gland is situated very near to kidney: 
Answer: Adrenal 

5. Suprarenal gland is another name of : 
Answer: Adrenal 

6. Where is lateral ventricles can be seen in human body:
Answer: Brain 

7. Substance produced in human body while suffering from allergy of pollens: 
Answer: Histamin 

8. Which is the basic structural and functional unit of nervous system: 
Answer: Neuron 

9. The most abundant blood group: 
Answer: O+ 

10. The rarest blood group: 
Answer: AB negative 

11. Hysterectomy is the removal of: 
Answer: Womb 

12. Which vitamin is also known as Cobalamin: 
Answer: B12 

13. Length of human elementary canal is ......... feet: 
Answer: 30 

14. Which hormone is produced when a man is frightened:
Answer: Adrenalin 

15. Ophthalmoscope is a device to examine the inner parts of: 
Answer: Eye 

16. Biopsy test is used to determine: 
Answer: Cancer

17. The image formed on the retina of human eye is: 
Answer: Real and inverted 

18. Dermatologist is specialised in the treatment of: 
Answer: Skin 

19. Which pigment imparts yellow colour to urine: 
Answer: Urochrome 

20. Vitamin helpful for the healing of wounds: 
Answer: Vitamin C 

21. Ciliary Muscles are related to: 
Answer: Eyes 

22. Myology is the study of: 
Answer: Muscles 

23. Amount of water in bone is ........ percent:
Answer: 25 

24. Human muscles contain ...... percent of water: 
Answer:75 

25. The theory 'Survival of the fittest' in biology is given by:
Answer: Charles Darwin 

26. Average weight of human heart is: 
Answer: 300 gm 

27. Which internal organ in human has the capacity for rejuvanation: 
Answer: Liver  

28. Which part of the brain is known as 'Mini Brain': 
Answer: Cerebellum 

29. Which is known as 'Juvenile gland': 
Answer: Thymus 

30. Which is known as 'Sweet gland': 
Answer: Pancreas 

31. Vitamin in the form of hormone: 
Answer: Vitamin D 

32. Which is most important for the growth of children upto the age of 14:
Answer: Protein 

33. The thermoregulatory body of human body: 
Answer: Hypothalamus

34. The total number of ear bones including both ears: 
Answer: 6
 
35. Normal human body temperature is ....... degree Fahrenheit: 
Answer: 98.4 

36. A man will breath .... times a day: 
Answer: 22000

37. Normal blood pressure of human body is: 
Answer: 120/80 mm of Hg 

38. Which is known as 'messengers of body': 
Answer: Hormone 

39. Cylindrical lens used to rectify: 
Answer: Astigmatism

40. What percent of the atmosphere should be oxygen to main: tain life on earth: 
Answer: 6.9

41. Excessive passion for alcoholic drinks: 
Answer: Dipsomania 

42. Which vitamin is spoiled when baking soda is.used in cooking: 
Answer: C. 

43. The larger part of the brain is: 
Answer: Cerebrum 

44. The largest nerve: 
Answer: Vagus nerve 

45. Cystectomy is the surgical removal of: 
Answer: Womb 

46. Parts of human body that grows throughout life are ..... and nạil: 
Answer: Hair 

47. The second largest gland in human body: 
Answer: Pancreas 

48. Sartorius is the longest ...... in human body: 
Answer: Muscle 

49. The longest cell in human body: 
Answer: Nerve cell 

50. The largest muscle in human body: 
Answer: Gluteus maximus

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