Biology Practice Question and Answer

Q:

What is the unit of Nervous system?

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  • 1
    Brain
    Correct
    Wrong
  • 2
    Spinal Cord
    Correct
    Wrong
  • 3
    Nerves
    Correct
    Wrong
  • 4
    Neuron
    Correct
    Wrong
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Answer : 4. "Neuron "

Q:

Which one of the following is the richest source of vitamin C?

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  • 1
    Guava
    Correct
    Wrong
  • 2
    Pineapple
    Correct
    Wrong
  • 3
    Orange
    Correct
    Wrong
  • 4
    Tomato
    Correct
    Wrong
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Answer : 1. "Guava "
Explanation :

(A) Guava

Guava is considered one of the richest sources of vitamin C among fruits. It contains a high concentration of ascorbic acid, which is a form of vitamin C. While other fruits like oranges and pineapples also contain vitamin C, guava surpasses them in terms of vitamin C content per serving. Tomatoes, although a good source of vitamin C, are generally lower in vitamin C compared to guava.

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:

Dinosaurs were: 

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  • 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 of the following diseases is caused by bacteria?

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  • 1
    Dysentery
    Correct
    Wrong
  • 2
    Cholera
    Correct
    Wrong
  • 3
    Smallpox
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Cholera"

Q:

Higher order biotic level includes

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  • 1
    Populations
    Correct
    Wrong
  • 2
    Cells
    Correct
    Wrong
  • 3
    Genes
    Correct
    Wrong
  • 4
    Tissues
    Correct
    Wrong
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Answer : 1. "Populations"

Q:

Which of the following is correct about cold-blooded animals? 

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  • 1
    Their body temperature remains constant all the time
    Correct
    Wrong
  • 2
    They kill all the animals
    Correct
    Wrong
  • 3
    Their blood remains cold all the time
    Correct
    Wrong
  • 4
    Their body temperature changes in accordance with the atmosphere
    Correct
    Wrong
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Answer : 4. "Their body temperature changes in accordance with the atmosphere "

Q:

Endospermic seeds are found in ________. 

1270 0

  • 1
    Gourd
    Correct
    Wrong
  • 2
    Pisum sativum
    Correct
    Wrong
  • 3
    Carica Papaya
    Correct
    Wrong
  • 4
    Dolichols lablab
    Correct
    Wrong
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Answer : 3. "Carica Papaya "

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