Biology Practice Question and Answer

Q:

Bee wax glands present in it?

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  • 1
    Rani
    Correct
    Wrong
  • 2
    Labor
    Correct
    Wrong
  • 3
    Male bee
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Labor"

Q:

A person with color blindness shows red color-

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  • 1
    Yellow
    Correct
    Wrong
  • 2
    Blue
    Correct
    Wrong
  • 3
    Purple
    Correct
    Wrong
  • 4
    Green
    Correct
    Wrong
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Answer : 4. "Green"

Q:

Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?

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  • 1
    Penicillin
    Correct
    Wrong
  • 2
    Prontosil
    Correct
    Wrong
  • 3
    Streptomycin
    Correct
    Wrong
  • 4
    Teracyline
    Correct
    Wrong
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Answer : 1. "Penicillin"
Explanation :

The first antibiotic discovered by Alexander Fleming in 1928 was:

(A) Penicillin

Alexander Fleming's discovery of penicillin revolutionized medicine by introducing the first widely used antibiotic, which proved effective against a variety of bacterial infections.

Q:

Who discovered the polio vaccine – 

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  • 1
    Robert koach
    Correct
    Wrong
  • 2
    Edward Genere
    Correct
    Wrong
  • 3
    Alexander Flemming
    Correct
    Wrong
  • 4
    Jones Salk
    Correct
    Wrong
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Answer : 4. "Jones Salk "
Explanation :

(D) Jonas Salk

The polio vaccine was developed by Dr. Jonas Salk. He and his team conducted extensive research in the 1950s, leading to the development of the inactivated polio vaccine (IPV), which became widely used for the prevention of polio. The vaccine was a significant breakthrough in medical science and played a crucial role in the global effort to eradicate polio.

Q:

Water from soil enters into root hairs by

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  • 1
    Capillary Pressure
    Correct
    Wrong
  • 2
    Osmotic Pressure
    Correct
    Wrong
  • 3
    Root Pressure
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Capillary Pressure"

Q:

The retina present in the human eye is present for the difference in colors?

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  • 1
    Choroid
    Correct
    Wrong
  • 2
    cones
    Correct
    Wrong
  • 3
    cornea
    Correct
    Wrong
  • 4
    Roads
    Correct
    Wrong
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Answer : 2. "cones"

Q:

 Refrigeration is the process, due to which

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  • 1
    Bacterias are killed
    Correct
    Wrong
  • 2
    Decreases the growth of bacteria
    Correct
    Wrong
  • 3
    Efficiency of bacterial is restrained
    Correct
    Wrong
  • 4
    Bacteria are converted into plasma
    Correct
    Wrong
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Answer : 3. "Efficiency of bacterial is restrained"

Q:

Polio disease is caused by?

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  • 1
    Bacteria
    Correct
    Wrong
  • 2
    Protozoa
    Correct
    Wrong
  • 3
    Virus
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Virus"

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