Biology Practice Question and Answer

Q:

What causes the dough to rise on the addition of yeast?

780 0

  • 1
    increase in the number of yeast cells
    Correct
    Wrong
  • 2
    release of carbon dioxide gas
    Correct
    Wrong
  • 3
    rise in temperature
    Correct
    Wrong
  • 4
    increase in the quantity of matter
    Correct
    Wrong
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Answer : 2. "release of carbon dioxide gas"

Q:

Tissues are made in the body?

594 0

  • 1
    from fat
    Correct
    Wrong
  • 2
    Carbohydrates
    Correct
    Wrong
  • 3
    protein
    Correct
    Wrong
  • 4
    Vitamin
    Correct
    Wrong
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Answer : 3. "protein"

Q:

Heart is a muscle?

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  • 1
    unmarked and optional
    Correct
    Wrong
  • 2
    Lined and optional
    Correct
    Wrong
  • 3
    having fewer mitochondria
    Correct
    Wrong
  • 4
    stimulated or exacerbated and involuntary by a spontaneously produced stimulus
    Correct
    Wrong
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Answer : 4. "stimulated or exacerbated and involuntary by a spontaneously produced stimulus"

Q:

Which of these animals have external and internal skeleton?

568 0

  • 1
    Cockroach
    Correct
    Wrong
  • 2
    Earthworm
    Correct
    Wrong
  • 3
    Frogs
    Correct
    Wrong
  • 4
    Snake
    Correct
    Wrong
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Answer : 4. "Snake"

Q:

Dolphins of Ganges exist?

627 0

  • 1
    Reptile
    Correct
    Wrong
  • 2
    breast
    Correct
    Wrong
  • 3
    Invertebrates
    Correct
    Wrong
  • 4
    fish
    Correct
    Wrong
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Answer : 2. "breast"

Q:

Which is the correct ascending hierarchy of groups of taxonomy in taxonomy?

688 0

  • 1
    Species-Order-Genus-Family
    Correct
    Wrong
  • 2
    Species-Genus-Family-Order
    Correct
    Wrong
  • 3
    Family-Genus-Species-Order
    Correct
    Wrong
  • 4
    Genus-Family-Species-Order
    Correct
    Wrong
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Answer : 2. "Species-Genus-Family-Order"

Q:

How do most insects respire?

644 0

  • 1
    skin
    Correct
    Wrong
  • 2
    from cleome
    Correct
    Wrong
  • 3
    from the lungs
    Correct
    Wrong
  • 4
    from the nervous system
    Correct
    Wrong
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Answer : 4. "from the nervous system"

Q:

To what depth are photosynthetic marine plants found?

579 0

  • 1
    20-30 m
    Correct
    Wrong
  • 2
    180-200 m
    Correct
    Wrong
  • 3
    980-1000 m
    Correct
    Wrong
  • 4
    1800-2000 m
    Correct
    Wrong
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Answer : 1. "20-30 m"

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