Biology Practice Question and Answer

Q:

Deficiency of which one of the following causes xeroph thalmia

509 0

  • 1
    Vitamin B3
    Correct
    Wrong
  • 2
    Vitamin B12
    Correct
    Wrong
  • 3
    Vitamin A
    Correct
    Wrong
  • 4
    Vitamin C
    Correct
    Wrong
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Answer : 3. "Vitamin A"

Q:

What is synthesized in the Krebs cycle ? 

508 0

  • 1
    lactic acid
    Correct
    Wrong
  • 2
    pyruvic acid
    Correct
    Wrong
  • 3
    glucose and ATP
    Correct
    Wrong
  • 4
    furic acid
    Correct
    Wrong
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Answer : 2. "pyruvic acid "

Q:

Which of the following diseases is caused by insulin deficiency or insulin resistance? 

506 0

  • 1
    Diabetes
    Correct
    Wrong
  • 2
    Flu
    Correct
    Wrong
  • 3
    Cough
    Correct
    Wrong
  • 4
    Beri Beri
    Correct
    Wrong
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Answer : 1. "Diabetes "

Q:

About 70% of the Sun is made up of ____.

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  • 1
    Hydrogen
    Correct
    Wrong
  • 2
    Oxygen
    Correct
    Wrong
  • 3
    Carbon
    Correct
    Wrong
  • 4
    Helium
    Correct
    Wrong
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Answer : 1. "Hydrogen"

Q:

If the head of cockroach is removed, it may live for few days because :

500 0

  • 1
    The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.
    Correct
    Wrong
  • 2
    The cockroach does not have nervous system.
    Correct
    Wrong
  • 3
    Head holds a small proportion of nervous system while restis situated along ventral part of its body
    Correct
    Wrong
  • 4
    The head holds 1/3rd of the nervous system while the rest is situated along dorsal part of its body.
    Correct
    Wrong
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Answer : 4. "The head holds 1/3rd of the nervous system while the rest is situated along dorsal part of its body."

Q:

Which of the following are also called the amphibians of the plant kingdom? 

498 0

  • 1
    Pteridophytes
    Correct
    Wrong
  • 2
    Thallophytes
    Correct
    Wrong
  • 3
    Angiosperms
    Correct
    Wrong
  • 4
    Bryophytes
    Correct
    Wrong
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Answer : 4. "Bryophytes"

Q:

Which of these is not a characteristic of the iris?

497 0

  • 1
    It is opaque
    Correct
    Wrong
  • 2
    It is a part of the sclera
    Correct
    Wrong
  • 3
    It is a continuation of the ciliary bodies
    Correct
    Wrong
  • 4
    It is pigmented
    Correct
    Wrong
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Answer : 2. "It is a part of the sclera"

Q:

Heart murmur indicates a

496 0

  • 1
    defective valve
    Correct
    Wrong
  • 2
    poor oxygenation
    Correct
    Wrong
  • 3
    dislocation of the heart
    Correct
    Wrong
  • 4
    improper development of muscles
    Correct
    Wrong
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Answer : 1. "defective valve"

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