Biology MCQs

11. Which of the following is an example of Symbiotic bacteria?
[A] Rhizobium
[B] Protozoa
[C] Flat worms
[D] None of the above

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12. Which of the following causes Dysentery and Influenza?
[A] Bacteria
[B] Viruses
[C] Bacteria and Viruses respectively
[D] Viruses and Bacteria respectively

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13. Which among the following is responsible for the red colour of blood?
[A] Haemoglobin
[B] Platelets
[C] Plasma
[D] None of the above

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14. What does D stand for in the term HDL which is related with Lipoproteins ?
[A] Dopamine
[B] Density
[C] Distribution
[D] Dissolution

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15. Which of the following contains an anticodon?
[A] tRNA
[B] mRNA
[C] rRNA
[D] DNA

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16. Which of the following is required by viruses for growth?
[A] bacteria
[B] plants
[C] animals
[D] living cells

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17. What is the shape of enveloped viruses?
[A] icosahedral
[B] helical
[C] roughly spherical
[D] complex

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18. Which of the following is not an auxiliary pigment?
[A] Chlorophyll ‘a’
[B] Chlorophyll ‘e’
[C] Phycocyanin
[D] Xanthophyll

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

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20. Euphorbiaceae, Apocynaceae, Composites come under which tissue?
[A] Laticiferous
[B] Glandular
[C] Sclerenchyma
[D] Collenchyma

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