General Knowledge Practice MCQs Set 14 for RBI Grade B (NRA) 2020

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71. Dental caries are due to

(1) Viral infection

(2) Contaminated water

(3) Bacterial infection

(4) Hereditary causes

Answer: 3

72. Spinach leaves are rich source of

(1) Vitamin A

(2) Iron

(3) Carotene

(4) Vitamin E

Answer: 2

73. Which of these is not a mosquito borne disease?

(1) Dengue fever

(2) Malaria

(3) Filariasis

(4) Goitre

Answer: 4

74. Oranges are rich source of

(1) Carbohydrates

(2) Fats

(3) Proteins

(4) Vitamins

Answer: 4

75. Which acid is produced when milk gets sour?

(1) Tartaric acid

(2) Butyric acid

(3) Lactic acid

(4) Acetic acid

Answer: 3

76. AIDS stands for

(1) Acquired Immune Disease Syndrome

(2) Acquired Immunity Deficient Syndrome

(3) Acquired Immune Deficiency

(4) Acquired Infection Deficiency Syndrome

Answer: 3

77. Stem cuttings are commonly used for re-growing

(1) Cotton

(2) Banana

(3) Jute

(4) Sugar Cane

Answer: 4

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