Biology Practice Question and Answer

Q:

Which of the following can degrade detritus into simpler inorganic substances?

381 0

  • 1
    Algae
    Correct
    Wrong
  • 2
    Phytoplankton
    Correct
    Wrong
  • 3
    Fungal enzymes
    Correct
    Wrong
  • 4
    Lichens
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Fungal enzymes"
Explanation :

1. Fungal enzymes decompose simple inorganic substances.

2. Fungi are a type of microorganisms that decompose organic matter.

3. Enzymes break down organic matter into smaller molecules, which can then be used by the body of the fungus.

Q:

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

380 0

  • 1
    20-30%
    Correct
    Wrong
  • 2
    10-20%
    Correct
    Wrong
  • 3
    40-50%
    Correct
    Wrong
  • 4
    30-40%
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "40-50%"

Q:

RBCs do not perform aerobic respiration because these do not contain

380 0

  • 1
    Mitochondria
    Correct
    Wrong
  • 2
    Nucleus
    Correct
    Wrong
  • 3
    Endoplasmic reticulum
    Correct
    Wrong
  • 4
    Lysosomes
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Mitochondria "

Q:

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

376 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
  • Show AnswerHide Answer
  • Workspace

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:

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

375 0

  • 1
    Sea urchins
    Correct
    Wrong
  • 2
    Earthworms
    Correct
    Wrong
  • 3
    Snails
    Correct
    Wrong
  • 4
    Corals
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

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

372 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
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Olfactory epithelium of our nose"

Q:

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

372 0

  • 1
    Fats
    Correct
    Wrong
  • 2
    Iron
    Correct
    Wrong
  • 3
    Calcium
    Correct
    Wrong
  • 4
    Protein
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

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.

Q:

There are approximately how many muscles in Human body?

369 0

  • 1
    206
    Correct
    Wrong
  • 2
    320
    Correct
    Wrong
  • 3
    554
    Correct
    Wrong
  • 4
    650
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "650"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully