Biology Practice Question and Answer

Q:

Light blue blood in arthropod animals can be due to

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  • 1
    Hemocyanin
    Correct
    Wrong
  • 2
    hemoglobin
    Correct
    Wrong
  • 3
    hemin
    Correct
    Wrong
  • 4
    Porphyrins
    Correct
    Wrong
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Answer : 1. "Hemocyanin"

Q:

Hormones are different from Vickers because?

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  • 1
    Hormones are found only in animals
    Correct
    Wrong
  • 2
    Hormones are found only in plants
    Correct
    Wrong
  • 3
    Hormones are not used in metabolic activities
    Correct
    Wrong
  • 4
    Hormones are fully used in metabolic activities
    Correct
    Wrong
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Answer : 4. "Hormones are fully used in metabolic activities"

Q:

Artificial lighting?

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  • 1
    can destroy foliage
    Correct
    Wrong
  • 2
    may cause photosynthesis
    Correct
    Wrong
  • 3
    can synthesize foliar
    Correct
    Wrong
  • 4
    cannot be the cause of photosynthesis
    Correct
    Wrong
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Answer : 2. "may cause photosynthesis"

Q:

Tears come when peeling onions, because onions expel?

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  • 1
    Sulfonic acid
    Correct
    Wrong
  • 2
    Sulfenic acid
    Correct
    Wrong
  • 3
    amino acids
    Correct
    Wrong
  • 4
    Carbolic acid
    Correct
    Wrong
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Answer : 2. "Sulfenic acid"

Q:

Microbe can be seen by?

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  • 1
    with an empty eye
    Correct
    Wrong
  • 2
    Compound microscope
    Correct
    Wrong
  • 3
    by hand lens
    Correct
    Wrong
  • 4
    electron microscope
    Correct
    Wrong
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Answer : 2. "Compound microscope"

Q:

With which of the following are the terms hypoglycemia and hyperglycemia related?

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  • 1
    body fat
    Correct
    Wrong
  • 2
    Blood sugar
    Correct
    Wrong
  • 3
    cancer
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 2. "Blood sugar"

Q:

Plants that grow in highly salty soil are called?

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  • 1
    Xerophyta
    Correct
    Wrong
  • 2
    Mesophyta
    Correct
    Wrong
  • 3
    Halophyta
    Correct
    Wrong
  • 4
    Thallophyta
    Correct
    Wrong
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Answer : 3. "Halophyta"

Q:

Water from soil enters into root hairs by

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  • 1
    Capillary Pressure
    Correct
    Wrong
  • 2
    Osmotic Pressure
    Correct
    Wrong
  • 3
    Root Pressure
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Capillary Pressure"

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