Biology Questions Practice Question and Answer

Q:

Wood objects are coated on them to protect them from insects.

1732 0

  • 1
    Zinc chloride
    Correct
    Wrong
  • 2
    Sodium chloride
    Correct
    Wrong
  • 3
    Ammonium chloride
    Correct
    Wrong
  • 4
    Silver bromide
    Correct
    Wrong
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Answer : 1. "Zinc chloride"

Q: What organelle carries out photosynthesis? 1711 0

  • 1
    Chloroplasts
    Correct
    Wrong
  • 2
    Ribosomes
    Correct
    Wrong
  • 3
    Chromosomes
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 1. "Chloroplasts"
Explanation :

Answer: A) Chloroplasts Explanation: Chloroplasts contains chlorophyll, the green substance in plants that allows them to create food from carbon dioxide and water called as photosynthesis.

Q: In what organelle does cellular respiration take place? 1703 0

  • 1
    Cytoplasm
    Correct
    Wrong
  • 2
    Ribosomes
    Correct
    Wrong
  • 3
    Mitochondria
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Mitochondria"
Explanation :

Answer: C) Mitochondria Explanation: Cellular respiration is the multi-step process that creates energy from nutrients and food molecules. It begins in the cytoplasm of the cell, with the mitochondria functioning as the main organelle where the rest of the process continues and finishes. During respiration, glycolysis occurs in the cytoplasm of the cell.

Q:

Dinosaurs were: 

1702 0

  • 1
    Egg - laying mammals
    Correct
    Wrong
  • 2
    Reptiles that became extinct
    Correct
    Wrong
  • 3
    Mammals that became extinct
    Correct
    Wrong
  • 4
    Large herbivorous creatures which gave rise to hippopotamus species
    Correct
    Wrong
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Answer : 2. "Reptiles that became extinct "

Q:

Which is known as Catholic acid? 

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  • 1
    Acetic acid
    Correct
    Wrong
  • 2
    Oxalic acid
    Correct
    Wrong
  • 3
    Phenol
    Correct
    Wrong
  • 4
    Ethanol
    Correct
    Wrong
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Answer : 3. "Phenol "

Q:

Which of the following is not an infectious disease?

1688 0

  • 1
    diabetes
    Correct
    Wrong
  • 2
    Tuberculosis
    Correct
    Wrong
  • 3
    chicken pox
    Correct
    Wrong
  • 4
    cholera
    Correct
    Wrong
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Answer : 1. "diabetes"

Q:

Pathogenic bacteria secrete 

1687 1

  • 1
    Hormones
    Correct
    Wrong
  • 2
    Interferons
    Correct
    Wrong
  • 3
    Antigens
    Correct
    Wrong
  • 4
    Antibodies
    Correct
    Wrong
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Answer : 3. "Antigens "

Q:

The scientific study of insects is known as:

1664 0

  • 1
    Ichthyology
    Correct
    Wrong
  • 2
    Entomology
    Correct
    Wrong
  • 3
    Parasitology
    Correct
    Wrong
  • 4
    Malacology
    Correct
    Wrong
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Answer : 2. "Entomology"
Explanation :

Entomology is the scientific study of insects. It involves the examination of the biology, behavior, ecology, taxonomy, physiology, and evolution of insects. Entomologists, the scientists who specialize in this field, study a vast and diverse group of organisms, which make up the largest class of animals on Earth. The knowledge gained through entomology has wide-ranging applications, from understanding ecosystems and biodiversity to pest management and forensic entomology.


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