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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: Miscellaneous →

  1. Which of the following biomolecules can act as a biocatalyst? Select the correct answer using the code given below - (A) Carbohydrate (B) Lipid (C) Protein (D) Nucleic acid (1) B and C (2) Only C (3) C and D (4) A and DAsked in Head Master Praveshika School (Sanskrit Edu.) 2021
  2. Ǔनम्नͧलͨखत में से कौन सी खाद्य श्रृंखला ठीक से ͧलखी हुई नहीं है ?Asked in JUNIOR ACCOUNTANT AND TRA 2013
  3. पाǐरǔस्थǓतकी तंत्र का अजैͪवक घटक Ǔनम्नͧलͨखत में से है :Asked in JUNIOR ACCOUNTANT AND TRA 2013
  4. Which of the following food chains is not written correctly ?Asked in JUNIOR ACCOUNTANT AND TRA 2013
  5. Abiotic component of ecosystem out of the following isAsked in JUNIOR ACCOUNTANT AND TRA 2013
  6. Which of the following is a common adulterant of mustard oil seeds ?Asked in UPPSC Upper Mains 2008