Biology MCQs

11. A person with ‘AB’ blood group is sometimes called a universal recipient because of the? (UPSC Prelims 1995)
[A] lack of antigen in his blood
[B] lack of antibodies in his blood
[C] lack of both antigens and antibodies in his blood
[D] presence of antibodies in his blood

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12. Biometric is related to which of the following statement?
[A] the process of ageing, and the particular problems of old people
[B] heredity and variation
[C] body measurements and calculations related to human characteristics
[D] transmission of paternal traits to progeny

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13. 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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14. Cell theory was formulated by __?
[A] Charles Darwin
[B] Theodor Schwann
[C] Robert Hooke
[D] Robert Koch

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15. Which cell organelle controls the entry and exit of molecules into and out of the cell?
[A] Golgi bodies
[B] Cell membrane
[C] Lysosomes
[D] Mitochondria

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16. Chromatophores participate in which of the following processes?
[A] Photosynthesis
[B] respiration
[C] Development
[D] Speed

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17. Which of the following is an example of epiphilous stamen?
[A] Lily
[B] Hibiscus
[C] Pea
[D] Bombax

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18. Which is the type of photosynthesis reaction?
[A] Oxidation-Reduction reaction
[B] Synthesis reaction
[C] Organic reaction
[D] Replacement reaction

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19. An important product of the Krebs cycle is__?
[A] Water
[B] Methane
[C] ATP
[D] None of the above

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20. In the absence of which of the following will photosynthesis not occur in leaves?
[A] Chlorophyll
[B] Guard cells
[C] Space between cells
[D] Vacuole

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