Biology MCQs

11. 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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12. At which stage in its life-cycle does the silkworm yield the fibre of commerce? (UPSC Prelims 2000)
[A] Egg
[B] Larva
[C] Pupa
[D] Imago

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13. “Athlete’s Foot” is a disease caused by which of the following microorganisms? (UPSC Prelims 2001)
[A] Bacteria
[B] Fungus
[C] Protozoan
[D] Nematode

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14. Which among the following is not a bio-fertilizer?
[A] Vermi compost
[B] Urea
[C] Azobacter
[D] Clostridium

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15. Which of the following branch of biology deals with the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants?
[A] Agriforestry
[B] Horticulture
[C] Arboriculture
[D] Forestry

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16. Study of the chemical nature of cells and tissues is known as__?
[A] Biochemistry
[B] Conchology
[C] Histochemistry
[D] Dermatology

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17. Who among the following is considered as the father of modern ecology?
[A] Ramdeo Misra
[B] Parthasarthy Iyengar
[C] Eugene Odum
[D] Theophrastus

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18. Which of the following biomolecules is more widely distributed in the cell?
[A] Chloroplast
[B] RNA
[C] DNA
[D] Spaherosomes

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19. Which of the following virus is covered?
[A] Adeno
[B] Herpes
[C] Polio
[D] None of these

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20. Which of the following is not a characteristic of gymnosperms?
[A] Parallel venation
[B] Perennial plants
[C] Distinct branches
[D] Xylem with vessels

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