General Science - Biology MCQs

61. Which of the following elements are found in DNA?

  1. Oxygen
  2. Nitrogen
  3. Sulphur
  4. Phosphorus
  5. Carbon

Select the correct option from the codes given below:

[A] Only 1, 2, 3 & 5
[B] Only 1, 2, 4 & 5
[C] Only 1, 2 & 5
[D] 1, 2, 3, 4 & 5

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62. Anemia is one of the major health problems in the adolescent boys and girls in our country. Which among the following can effectively cause anaemia?

  1. Low intake of Iron
  2. Low intake of citric acid
  3. Infestation of Worms
  4. Malaria

Select the correct option from the codes given below:

[A] Only 1 & 2
[B] Only 1 & 4
[C] Only 1
[D] 1, 2, 3 & 4

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63. ‘Mosquitoes breed on stagnant water and their larvae keep floating on water’.When oil is sprinkled on the stagnant water, it results in the drowning and death of the larvae.Which of the following is the reason behind death of larvae?

[A] Sprinkling of oil in water reduces surface tension of water
[B] Sprinkling of oil in water increase surface tension of water
[C] Sprinkling of oil in water increases viscocity of water
[D] Sprinkling of oil in water cut of oxygen supply to larvae.

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64. Which among the following plant is likely to show a greater water use efficiency?

[A] Wheat
[B] Rice
[C] Sorghum
[D] Pea

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65. Which of the following is present in prokaryotic as well as eukaryotic cells?

[A] Mitochondria
[B] Golgi Bodies
[C] Lysosomes
[D] Ribosomes

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66.   Ribosomes contain:

  1. DNA
  2. RNA
  3. Protein

 Select the correct option from codes given below:

[A] 1 & 2 Only
[B] 2 Only
[C] 2 & 3 Only
[D] 1, 2 & 3

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67.       Consider the following pairs:

  1. Widal test – Typhoid
  2. Rapid sputum test – Swine flu
  3. Blood smear – Malaria

  Which of the above is/are correct?

[A] 1 & 2 Only
[B] 2 Only
[C] 1 & 3 Only
[D] 1, 2 & 3

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68.     Which of the following statements are correct about ringworm infection?

  1. Ringworm infection can affect both humans and animals
  2. This infection is caused by a worm
  3. Ringworm is contagious and can be passed from person to person

    Select the correct option from codes given below:

[A] 1 & 3 Only
[B] 2 Only
[C] 2 & 3 Only
[D] 1, 2 & 3

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69.     Consider the following differences between bacteria and virus:

  1. While ribosomes are present in bacteria, they are absent in virus
  2. While nucleus is present in bacteria, it is absent in virus

   Which of the above statements is/are correct?

[A] 1 Only
[B] 2 Only
[C] Both 1 & 2
[D] Neither 1 nor 2

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70. Consider the following vitamins:

  1. Vitamin A
  2. Vitamin B
  3. Vitamin C
  4. Vitamin D

Which of the above are fat soluble?

[A] 1 & 4 Only
[B] 1, 2 & 4 Only
[C] 3 & 4 Only
[D] 1, 2, 3 & 4

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