Biology MCQs

11. Which among the following is the correct sequence of the Levels of Organisation found in living organsims?
[A] Individual – Organ system – Tissue – Cell – Organ
[B] Organ – Organ system – Tissue – Cell – Individual
[C] Tissue – Cell – Organ – Organ system – Individual
[D] Cell – Tissue – Organ – Organ system – Individual.

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12. Which of the following is not a feature of organisms in the class Mammalia ?
[A] milk producing mammary glands
[B] cells with a membrane-bounded nucleus
[C] dorsal hollow nerve chord
[D] chitin in the cell membrane

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13. The messages received by and transmitted from the brain to the various parts of the body take the form of which of the following impulses? (UPSC Prelims 1983)
[A] Nervous impulses
[B] Chemical impulses
[C] Mechanical impulses
[D] Automatic impulses

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14. Which of the following inferences can be drawn from the following statements?
A well balanced nutritious diet is essential for good athletes. This means (UPSC Prelims 1986)
[A] Bad athletes are having under-nutritious food
[B] Well-balanced diet produces good athletes
[C] Athletes should take nutritious food
[D] None of the above

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15. Corpus luteum is a mass of cells found in which organ? (UPSC Prelims 1997)
[A] brain
[B] ovary
[C] pancreas
[D] spleen

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16. Which among the following is not a viral disease?
[A] Ebola
[B] HIV
[C] H1N1
[D] Tuberculosis

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17. Which gas is released during the process of photosynthesis in plants?
[A] Carbon dioxide
[B] Methane
[C] Oxygen
[D] Nitrogen

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18. Which of the following branch of biology deals with the study of mycoplasma?
[A] Mycoplasmology
[B] Limnology
[C] Ethnobotony
[D] None of these

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19. Which of the following branch of biology deals with the study of pollen grains?
[A] Psychology
[B] Palynology
[C] Pathology
[D] Parasitology

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20. Who proposed the model for protein synthesis?
[A] Ostwald Avery
[B] Mclyn McCarthy
[C] Colin Macleod
[D] All of these

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