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:

Which one of the following vitamins is essential for coagulation of blood?

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  • 1
    Vitamin A
    Correct
    Wrong
  • 2
    Vitamin B12
    Correct
    Wrong
  • 3
    Vitamin K
    Correct
    Wrong
  • 4
    Vitamin D
    Correct
    Wrong
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Answer : 3. "Vitamin K"

Q:

Starch and sugar in our food are forms of _____.

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  • 1
    Proteins
    Correct
    Wrong
  • 2
    fats
    Correct
    Wrong
  • 3
    vitamins
    Correct
    Wrong
  • 4
    carbohydrates
    Correct
    Wrong
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Answer : 4. "carbohydrates"
Explanation :

1. Starch and sugar found in our food are forms of carbohydrates. Carbohydrates are an important part of our diet. They provide energy to the body and are essential for other body functions.

2. Starch is a complex carbohydrate found in plants. It is found in wheat, rice, potatoes, and other grains. Starch is used to thicken food, make sugar, and make other foods.

Q:

The cause of Minamata disease is-

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  • 1
    Mercury
    Correct
    Wrong
  • 2
    Cadmium
    Correct
    Wrong
  • 3
    Glass
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 1. "Mercury"

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.

Q:

Xerophthalmia is caused due to the deficiency of vitamin ________.

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  • 1
    A
    Correct
    Wrong
  • 2
    K
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    D
    Correct
    Wrong
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Answer : 1. "A"

Q:

The joint between vertebrae are formed:

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  • 1
    Fibrocartilage
    Correct
    Wrong
  • 2
    Hyaline cartilage
    Correct
    Wrong
  • 3
    Elastic cartilage
    Correct
    Wrong
  • 4
    All of these
    Correct
    Wrong
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Answer : 1. "Fibrocartilage"

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.

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