Biology Practice Question and Answer

Q:

___________ is responsible for blood clotting.

1262 0

  • 1
    Erythrocytes
    Correct
    Wrong
  • 2
    Platelets
    Correct
    Wrong
  • 3
    Lymphocytes
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "Platelets"

Q:

What does health mean?

1259 0

  • 1
    Physical health
    Correct
    Wrong
  • 2
    Social health
    Correct
    Wrong
  • 3
    Mental Health
    Correct
    Wrong
  • 4
    All appropriate
    Correct
    Wrong
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Answer : 4. "All appropriate"

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:

Name the disease of plant in which leaves, branches, fruits all are affected? 

1255 0

  • 1
    Aphids
    Correct
    Wrong
  • 2
    Citrus Canker
    Correct
    Wrong
  • 3
    Spider Mites
    Correct
    Wrong
  • 4
    Mealybugs
    Correct
    Wrong
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Answer : 2. "Citrus Canker "

Q:

Which of the following provides the highest energy? 

1253 0

  • 1
    Water
    Correct
    Wrong
  • 2
    Mineral salts
    Correct
    Wrong
  • 3
    Carbohydrate
    Correct
    Wrong
  • 4
    Vitamin
    Correct
    Wrong
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Answer : 3. "Carbohydrate "

Q:

What is the health program launched by the government to protect against infectious diseases?

1249 2

  • 1
    Health facilities
    Correct
    Wrong
  • 2
    Examination of patients
    Correct
    Wrong
  • 3
    Vaccination
    Correct
    Wrong
  • 4
    All of these
    Correct
    Wrong
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Answer : 3. "Vaccination"

Q:

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

1248 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:

Deficiency of which of the following vitamins causes excessive bleeding from wounds?

1246 0

  • 1
    Vitamin D
    Correct
    Wrong
  • 2
    Vitamin E
    Correct
    Wrong
  • 3
    Vitamin A
    Correct
    Wrong
  • 4
    Vitamin K
    Correct
    Wrong
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Answer : 4. "Vitamin K"
Explanation :

1. Vitamin K deficiency causes excessive bleeding from wounds.

2. If there is deficiency of Vitamin K in your body then you can easily get injury marks on your body or skin.

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