Biology Practice Question and Answer

Q:

What percentage of body weight of an adult human is contributed by muscles?

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  • 1
    20-30%
    Correct
    Wrong
  • 2
    10-20%
    Correct
    Wrong
  • 3
    40-50%
    Correct
    Wrong
  • 4
    30-40%
    Correct
    Wrong
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Answer : 3. "40-50%"

Q:

Which of the following factors is responsible for the disease called 'Mad Hatter's Disease'?

394 0

  • 1
    Inhalation of iron dust
    Correct
    Wrong
  • 2
    Inhaling silica dust
    Correct
    Wrong
  • 3
    Mercury poisoning
    Correct
    Wrong
  • 4
    Vitamin-D deficiency
    Correct
    Wrong
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Answer : 3. "Mercury poisoning"
Explanation :

1. Mercury poisoning is responsible for which of the following diseases called 'Mad Hatter's Disease'?

2. Mad Hatter's Disease is a form of mercury poisoning that affects the brain and nervous system.

3. There is a risk of mental and behavioural changes, such as confusion, hallucination, and irritability etc. in this disease.

Q:

The stomach is divided into how many major portions?

393 0

  • 1
    One
    Correct
    Wrong
  • 2
    Two
    Correct
    Wrong
  • 3
    Three
    Correct
    Wrong
  • 4
    Four
    Correct
    Wrong
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Answer : 4. "Four"

Q:

RBCs do not perform aerobic respiration because these do not contain

391 0

  • 1
    Mitochondria
    Correct
    Wrong
  • 2
    Nucleus
    Correct
    Wrong
  • 3
    Endoplasmic reticulum
    Correct
    Wrong
  • 4
    Lysosomes
    Correct
    Wrong
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Answer : 1. "Mitochondria "

Q:

There are approximately how many muscles in Human body?

391 0

  • 1
    206
    Correct
    Wrong
  • 2
    320
    Correct
    Wrong
  • 3
    554
    Correct
    Wrong
  • 4
    650
    Correct
    Wrong
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Answer : 4. "650"

Q:

Which of the following fall under Phylum Cnidarian of the animal kingdom?

389 0

  • 1
    Sea urchins
    Correct
    Wrong
  • 2
    Earthworms
    Correct
    Wrong
  • 3
    Snails
    Correct
    Wrong
  • 4
    Corals
    Correct
    Wrong
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Answer : 4. "Corals"
Explanation :

1. Coral comes under the Cnidarian phylum of the animal kingdom.

2. Coral, also known as Coral and Mirajan, is a type of tiny sea creatures that live in groups numbering millions.

3. Coral, also known as Coral and Mirajan, is a type of tiny sea creature that lives in groups numbering millions.

Q:

Bowman’s glands are located in the

388 0

  • 1
    Anterior pituitary
    Correct
    Wrong
  • 2
    Olfactory epithelium of our nose
    Correct
    Wrong
  • 3
    Proximal end of uriniferous tubules
    Correct
    Wrong
  • 4
    Female reproductive system of cockroach
    Correct
    Wrong
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Answer : 2. "Olfactory epithelium of our nose"

Q:

Which of the following is essential to form haemoglobin in blood?

384 0

  • 1
    Fats
    Correct
    Wrong
  • 2
    Iron
    Correct
    Wrong
  • 3
    Calcium
    Correct
    Wrong
  • 4
    Protein
    Correct
    Wrong
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Answer : 2. "Iron"
Explanation :

1. Iron is required for the formation of hemoglobin.

2. Hemoglobin is a part of red blood cells that carries oxygen and removes carbon dioxide (a waste product) from the body.

3. Iron is stored in the body mainly in hemoglobin.

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