Ans: (a)
85. Which of the following is not a mosquito borne disease? [NDA 1995]
    (a) Dengue fever
    (b) Malaria
    (c) Sleeping sickness
    (d) Filariasis
Ans: (c)
86. Food wrapped in newspaper is likely to get contaminated with [NDA 2010]
    (a) lead
    (b) aluminium
    (c) iron
    (d) magnesium
Ans: (a)
87. Which one among the following produces seeds but not flowers? [NDA 2010]
    (a) Cashew nut
    (b) Coffee
    (c) Groundnut
    (d) Pine
Ans: (c)
88. Which of the following are correct? [CDS 1992]
         1) Nicotine occurs in tobacco plant.
         2) Morphine occurs in green buds of poppy plant.
         3) Cocaine is used as a local anaesthetic.
    (a) 1 and 2
    (b) 2 and 3
    (c) 1 and 3
    (d) 1, 2 and 3
Ans: (d)
89. Match the following:
    A. Iron                  1. Activator of enzymes
    B. Magnesium             2. Transfer of electron in photosynthesis
    C. Chlorine              3. Synthesis of fats
    D. Nitrogen              4. Synthesis of proteins
         A         B         C         D
    (a)  4         2         1         3
    (b)  1         4         2         3
    (c)  3         1         4         2
    (d)  1         3         2         4
Ans: (d)
90. The human body needs the following vitamins. Arrange them in the increasing order of their requirement:
         1) Vitamin A
         2) Vitamin D
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