Biology Practice Question and Answer

Q:

Which of the following is a root ? 

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  • 1
    Potato
    Correct
    Wrong
  • 2
    Onion
    Correct
    Wrong
  • 3
    Carrot
    Correct
    Wrong
  • 4
    ginger
    Correct
    Wrong
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Answer : 3. "Carrot "
Explanation :

Yams, beets, parsnips, turnips, rutabagas, carrots, yuca, kohlrabi, onions, garlic, celery root (or celeriac), horseradish, daikon, turmeric, jicama, Jerusalem artichokes, radishes, and ginger are all considered roots. Because root vegetables grow underground, they absorb a great amount of nutrients from the soil.

Q:

The_______is at its largest in children, but with the onset of puberty, it eventually shrinks and gets replaced by fat.

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  • 1
    Parathyroid gland
    Correct
    Wrong
  • 2
    Thymus
    Correct
    Wrong
  • 3
    Hypothalamus
    Correct
    Wrong
  • 4
    Pituitary gland
    Correct
    Wrong
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Answer : 2. "Thymus"
Explanation :

1. It is at its greatest in children.

2. With puberty, it eventually shrinks and is replaced by fat.

3. It produces and secretes thymosin, an essential hormone for T cell development and production.

4. Thymus gland is a small organ located under the breast bone in the upper chest.

5. It produces white blood cells, called lymphocytes, which protect the body from infection.

Q:

Which of the following statements about bryophytes is not true? 

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    They are called amphibians of the plant kingdom.
    Correct
    Wrong
  • 2
    The presence of a special tissue is found in these for the flow of
    Correct
    Wrong
  • 3
    water and other substances from one part of the plant body to another. Their body is generally differentiated by taking the form of stem and leaf-like structures.
    Correct
    Wrong
  • 4
    Moss (Funaria) and Marchantia are examples of bryophytes.
    Correct
    Wrong
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Answer : 3. "water and other substances from one part of the plant body to another. Their body is generally differentiated by taking the form of stem and leaf-like structures. "
Explanation :

All the given statements about bryophytes are true.

1.  They are called amphibians of the plant kingdom.

2. The presence of a special tissue is found in these for the flow of

3. Moss (Funaria) and Marchantia are examples of bryophytes.

Q:

Which of these animals have external and internal skeleton?

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  • 1
    Cockroach
    Correct
    Wrong
  • 2
    Earthworm
    Correct
    Wrong
  • 3
    Frogs
    Correct
    Wrong
  • 4
    Snake
    Correct
    Wrong
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Answer : 4. "Snake"

Q:

The upper part of the respiratory tract is provided with small hair-like structures called ______.

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  • 1
    bronchi
    Correct
    Wrong
  • 2
    cilia
    Correct
    Wrong
  • 3
    villi
    Correct
    Wrong
  • 4
    alveoli
    Correct
    Wrong
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Answer : 2. "cilia"
Explanation :

Hairlike structures called cilia line the mucous membrane and move the particles trapped in the mucus out of the nose. Inhaled air is moistened, warmed, and cleansed by the tissue that lines the nasal cavity.


Q:

Bowman’s glands are located in the

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  • 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 body parts is directly affected in the disease called rickets?

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  • 1
    Eyes
    Correct
    Wrong
  • 2
    Tongue
    Correct
    Wrong
  • 3
    Spleen
    Correct
    Wrong
  • 4
    Bones
    Correct
    Wrong
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Answer : 4. "Bones"
Explanation :

1. Rickets is a bone disease caused by vitamin D deficiency.

2. Due to rickets, the absorption of calcium and phosphorus in the bones decreases.

3. The solution to protect exclusively breastfed babies from this disease is Vitamin D supplements.

Q:

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

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  • 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.

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