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Biology questions with answers

2,759 multiple-choice questions. Open any question for its answer and explanation.

Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.

Read the notes: Vitamins and Nutrition →

  1. How much protein a working woman must intake everyday?Asked in JPSC CS Prelims 2011
  2. Which of the following statements with respect to an average adult is/are correct ? a. The normal range of glucose in the blood while fasting is up to 70 mg %. b. The normal range of glucose in the blood post lunch is up to 140 mg %.Asked in MPSC CS Prelims 2016
  3. Which one of the following group of organisms forms a food chain ?Asked in UPSC NDA 1 2018
  4. The major source of vitamins and minerals for vegetarians isAsked in UPSC NDA 1 2021
  5. Which one among the following combinations most appropriately represent the components of balanced diet ?Asked in UPSC NDA 2 2024
  6. Recommended daily intake of proteins for a moderately active woman isAsked in UPPCS Prelims 1997
  7. Daily energy required by a hard worker man isAsked in RPSC RAS Prelims 2012
  8. Q115: Which of the following is a micronutrient of food ?Asked in Asstt. Jailor 2013
  9. According to standards, a fruit squash should contain at least _____ fruit juice / pulp.Asked in Food Safety Officer 2019
  10. Which one of the following is not a khoa based milk product?Asked in Food Safety Officer 2022
  11. According to F.S.S.A. (2006), the minimum fat contain in Low Fat Cream should beAsked in Food Safety Officer 2022
  12. Which one of the following statement is not correct about makkhan?Asked in Food Safety Officer 2022
  13. Which one of the following is not correct in relation to production data for the year 2021-22 in India ?Asked in Food Safety Officer 2022
  14. In which country ghee was originated ?Asked in Food Safety Officer 2022
  15. At what rate, FSSA (2006) permitted to add Butylated Hydroxyl Anisole (BHA) to prevent oxidation of fat in whole milk powder by weight of finished product ?Asked in Food Safety Officer 2022
  16. Which of the following operation increases the stability of emulsion, so that cream does not separate on storing ?Asked in Food Safety Officer 2022
  17. Which of the following activity refers to the removal of germs and foreign bodies from fruits and vegetables ?Asked in Food Safety Officer 2022
  18. Which of the following are methods of food preservation? A. Desiccation B. Fermentation C. Freezing D. MixingAsked in Food Safety Officer 2022
  19. Preservation of foods by addition of sugar is because itAsked in Food Safety Officer 2022
  20. Which of the following is mostly carbohydrate?Asked in BPSC Prelims Exam 63rd
  21. The sweetest sugar among the following isAsked in BPSC Prelims Exam 66th
  22. Glucose is a source of energy. Which one of the following types of molecule is Glucose ?Asked in UPSC CDS 1 2016
  23. Which of the following biomolecules does Starch belong to ?Asked in UPSC CDS 2 2024
  24. Which one of the following statements is incorrect?Asked in GPSC Prelims CSP 2 2019
  25. शहद का प्रमुख अवयव क्या है ?Asked in HPPSC HPAS Prelims 2013