Biology Practice Question and Answer

Q:

What is the pH of blood of a normal person?

1035 0

  • 1
    4.5—4.6
    Correct
    Wrong
  • 2
    6.45—6.55
    Correct
    Wrong
  • 3
    7.35—7.45
    Correct
    Wrong
  • 4
    8.25—8.35
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "7.35—7.45"

Q:

Deficiency of which of these vitamins causes anaemia in humans?

1033 0

  • 1
    Vitamin C
    Correct
    Wrong
  • 2
    Vitamin B
    Correct
    Wrong
  • 3
    Vitamin A
    Correct
    Wrong
  • 4
    Vitamin B12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Vitamin B12"
Explanation :

1. Anemia in humans is caused by a deficiency of Vitamin B12.

2. Vitamin B12 is a water-soluble vitamin

3. Which is necessary for the formation of red blood cells?

4. The most common cause of anaemia is low iron levels in the body. This type of anaemia is called iron deficiency anaemia.

Q:

How do most insects respire?

1032 0

  • 1
    skin
    Correct
    Wrong
  • 2
    from cleome
    Correct
    Wrong
  • 3
    from the lungs
    Correct
    Wrong
  • 4
    from the nervous system
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "from the nervous system"

Q:

Camel is a desert animal, that can live without water for many days, because

1031 0

  • 1
    it does not need water
    Correct
    Wrong
  • 2
    water is formed in the body due to oxidation of fat
    Correct
    Wrong
  • 3
    it has the water sac in the walls of the lumen of stomach
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All of the above"

Q:

Who invented penicillin?

1029 0

  • 1
    Ian Fleming
    Correct
    Wrong
  • 2
    Alexander Fleming
    Correct
    Wrong
  • 3
    Stephen Hawking
    Correct
    Wrong
  • 4
    Alexander
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Alexander Fleming"

Q:

Starch and sugar in our food are forms of _____.

1029 0

  • 1
    Proteins
    Correct
    Wrong
  • 2
    fats
    Correct
    Wrong
  • 3
    vitamins
    Correct
    Wrong
  • 4
    carbohydrates
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

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:

Which of the following is not a simple tissue?

1028 0

  • 1
    Xylem
    Correct
    Wrong
  • 2
    Parrenchyma
    Correct
    Wrong
  • 3
    Collenchyma
    Correct
    Wrong
  • 4
    Sclerenchyma
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Xylem"

Q:

Tissues are made in the body?

1028 0

  • 1
    from fat
    Correct
    Wrong
  • 2
    Carbohydrates
    Correct
    Wrong
  • 3
    protein
    Correct
    Wrong
  • 4
    Vitamin
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "protein"

      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