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Unfortunately, Mr. M. Subramanian, who maintained this website lost his battle to cancer and passed away in July, 2019. The database has over 50,000 questions. If you are interested in purchasing the website/database, please reach out using the form here.
Khub.info Learn TNPSC exam and online pratice
Q1. Genes are compared to which of the followings?
Q2. Of the following, which are nitrogen fixing bacterias?
Q3. Of the following which one is an aquatic fern?
Q4. Blast Disease of rice plants is caused by which of the following?
Q5. Bordeaus is a/an
Q6. Exploitation and utilisation of bio-resources from a country by several organization is called as......
Q7. Which of the following plants possess anticancerous properties?
Q8. Which of the following is an oil eating bacteria?
Q9. .........mouse was also patented by Bio patent method.
Q10. The term for the avoidance of man-made complex substance is "....................."
Q11. In which of the following vedas, medicial properties of plants are mentioned?
Q12. The term for obtaining medicinally valuable compounds from plants is ".........."
Q13. Morphine, a medicinal anaesthetic is obtained from which of the following seeds?
Q14. Quinine, a medicine for Malarial diseases, is obtained from which of the following?
Q15. Aegle mormelos is used for the treatment of which of the following ailments?
Q16. Cissus quadrangularis belongs to which of the following families?
Q17. Mimosa pudica belongs to which of the following families?
Q18. Mimosa is used for the cure of piles, wounds and ........
Q19. ................is the alkaloid extracted from Mimosa.
Q20. Solanum nigrum is generally known as........
Q21. Solanum nigrum herb is used in the treatment of ..................ailments.
Q22. From which of the following Penicillin is extracted?
Q23. From which of the following Streptomycin is obtained?
Q24. From which of the following Aureomycin is extracted?
Q25. From which of the following Bacitracin is obtained?
Q26. Of the following, what is prepared by the fermentation of rice?
Q27. Arachis hypogea is the binomial name of which of the following?
Q28. Fatty acid derived from cotton is used in the production of which of the following?
Q29. The binomial name of teak wood is.......
Q30. Sap wood of teak is ......
Q31. Use of teak wood is most prevalent in the manufacture of.......
Q32. Global warming is caused due to which of the following activities?
Q33. ...............organism plays an important role in pollination of trees in tropical forests?
Q34. ..............is generally considered as the "Biologists Paradise".
Q35. Due to global warming the growing season would be........
Q36. The term for cleaning the environment with biological options like microbes and plants is.......
Q37. ................is the approximate number of species of plants and animals found in Gulf of Mannar.
Q38. ...........power plants cause green house effect and global warming.
Q39. Cooking destroys which of the following in the vegetables?
Q40. Ultraviolet rays damages the larvae of which of the following?
Q41. Trees shed their leaves in winter season to .............
Q42. Cotton fibre is obtained from which part of the plant?
Q43. Blood Group was discovered in which year by Carl Landsteiner?
Q44. Blood Circulatory System was first explained by William Harvey in the year
Q45. Carbon-di-oxide is let out through .............
Q46. .......................is excreted out through kidney and skin.
Q47. .....................are the fundamental units of kidney.
Q48. Waste products are formed in the human body due to .................................
Q49. The outer convex region of Kidney is called..........................
Q50. Approximately ..............litre of urine is excreted by a normal human being.