Biology MCQs

1. Which antigen is present in O blood group?
[A] Either A or B
[B] Both A and B
[C] Neither A nor B
[D] O

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2. Theory of natural selection was proposed by ?
[A] Mendel
[B] Darwin
[C] Lamarck
[D] Karl Landsteiner

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3. Which among the following makes the Cornea Transplantation easy and used more widely ?
[A] Cornea are easily available
[B] Cornea does not link up with blood vessels
[C] both of the above reasons
[D] none of the above

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4. Who among the following were awarded Nobel Prize in 1958 for One Gene One Enzyme Concept?
[A] Landsteiner & Weiner
[B] Avery, Mccleod and mc Carthy
[C] Jacob & Wollman
[D] George Beadle and Edward Tatum

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5. Which of the following plants have respiratory roots?
[A] Marshy Plants
[B] Mangroves
[C] Epiphytes
[D] Submerged Hydrophytes

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6. Which among the following disease has the minimum incubation period, comparing to other ones?
[A] Small Pox
[B] Influenza
[C] Measles
[D] Mumps

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7. The useful part of Zingiber officinale is ____?
[A] Roots
[B] Rhizome
[C] Leaves
[D] fruits

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8. Which of the following cells are closely associated and interacting with guard cells?
[A] Transfusion tissue
[B] Complementary cells
[C] Subsidiary cells
[D] Hypodermal cells

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9. What is the name of a group of similar cells performing a specific function?
[A] Tissue
[B] Organ
[C] Organ system
[D] Cellular organization

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10. Which of the following is responsible for giving colour to human skin?
[A] Haemoglobin
[B] Melanin
[C] Luciferin
[D] Flavonoids

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