Biology MCQs

11. Which of the following is/are found in plant cells but not in those of animals? (UPSC Prelims 1987)
[A] Plastid & Cellular wall
[B] Chromosome
[C] Mitochondria & Golgi apparatus
[D] Cell wall & lysozyme

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12. Photosynthesis generally occurs in which portions of the plant? (UPSC Prelims 1987)
[A] Leaf and other chloroplast bearing parts
[B] Steam and leaf
[C] Roots and chloroplast bearing parts
[D] Bark and leaf

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13. Which of the following is not an element of the bone? (UPSC Prelims 1988)
[A] Calcium
[B] Phosphorus
[C] Carbon
[D] Oxygen

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14. Which one of the following statements is not correct? (UPSC Prelims 2002)
[A] All echinoderms are viviparous
[B] Round worm has no circulatory system
[C] In bony fishes, swim bladder is usually present
[D] In cartilaginous fishes, fertilisation is internal

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15. Which of the following is the taxonomic family of humans?
[A] Hominidae
[B] Haplorhini
[C] Primates
[D] Homini

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16. The science of taxonomy is related to which of the following?
[A] Plant Classification
[B] Animal Classification
[C] Microorgranism
[D] None of these

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17. Which of the following branch of biology deals with the study of Cartilage?
[A] Chondrology
[B] Chromatology
[C] Cnidology
[D] Conchology

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18. Which of the following is not a part of the sexual cycle of fungi?
[A] Meiosis
[B] Karyogamy
[C] Mitosis
[D] Plasmogamy

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19. What is the botanical name of sea palm?
[A] Polysiphonia
[B] Postelsia
[C] Ectocarpus
[D] Macrocystis

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20. Which of the following is the proof of the aquatic origin of bryophytes?
[A] Ciliated sperms
[B] Green colour
[C] Protonema thread
[D] Some are still aquatic

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