Biology MCQs

11. Turmeric is obtained from which part of the plant?
[A] Fruit
[B] Stem
[C] Root
[D] Flower

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12. Which of the following is done by an Antigen?
[A] Lowers body temperature
[B] destroys harmful bacteria
[C] triggers the immune system
[D] is used as an antidote to poison

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13. With reference to the blood in a normal person, which one of the following statements is correct?
[A] Compared to arteries, veins are less numerous and hold less of the body’s blood at any given time
[B] Blood cells constitute about 70 per cent of the total volume of the blood
[C] White Blood Cells (WBC) are made by lymph nodes only
[D] The blood has more platelets than WBC

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14. The science of histology is related to which of the following studies?
[A] Tissues
[B] Cells
[C] Algae
[D] Fungi

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15. In which of the following cells are chloroplasts present?
[A] plants
[B] algae
[C] Both 1 & 2
[D] Neither 1 nor 2

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16. Sterile stamens are called which of the following?
[A] Epipetalous
[B] Monadelphous
[C] Staminode
[D] Epiphyllous

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17. Bignonia unguiscati is an example of which of the following?
[A] Leaflet Hooks
[B] Leaf Roots
[C] Scale Leaves
[D] Leaf Spines

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18. Which of the following are pneumatophores?
[A] that grow in swampy areas have roots growing vertically upwards
[B] the primary root is replaced by a large number of roots
[C] are bushy roots in which thin, moderately branching roots
[D] None of these

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19. Which of the following is an example of Phylum Arthropoda?
[A] Octopus
[B] Starfish
[C] Scorpion
[D] None of these

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20. Comb jellies, sea gooseberries, sea walnuts are examples of__.
[A] Cnidaria
[B] Aschelminthes
[C] Porifera
[D] Ctenophores

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