Biology MCQs

1. Which among the following is not present in pure sugar ?
[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen

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2. From which part of the Glycyrrhiza glabra plant, also known as Liquorice or Mulethi, is the extract derived?
[A] Leaves
[B] Roots
[C] Fruits
[D] Stem

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

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4. Which among the following is NOT a true bast fiber?
[A] Jute
[B] Hemp
[C] Flax
[D] Cotton

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5. “Pratham” the first animal born in 1990 by the IVF (In vitro Fertilization) at the National Dairy Research Institute, Karnal was a ________ ?
[A] Cow
[B] Buffalo
[C] Sheep
[D] Goat

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6. The colonization of an area that has not been previously occupied by an ecological community is called:
[A] primary succession
[B] secondary succession
[C] tertiary succession
[D] cyclic succession

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7. Which of the following plants is most likely to present a higher water use efficiency?
[A] Wheat
[B] Rice
[C] Sorghum
[D] Pea

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8. The study of Improvement of human race by improving environment is known as ?
[A] Euthenics
[B] Eugenics
[C] Euphenics
[D] Etiology

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9. Which of the following is not a feature of organisms in the class Mammalia ?
[A] milk producing mammary glands
[B] cells with a membrane-bounded nucleus
[C] dorsal hollow nerve chord
[D] chitin in the cell membrane

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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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