31). Which one of the following are useful in the detection of landmines?
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32). Instrument used to ensure the force and velocity of the wind is :
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33). Epigraphy means :
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34). The natural source of hydrocarbon is :
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35). The branch of agriculture which deals with the feeding, shelter, health and breeding of the domestic animals is called :
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36). Polythene bags are harmful to the environment because they :
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37). Biological Oxygen Demand (BOD) is a standard criterion for :
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38). ORT (Oral Rehydration Therapy) is associated with the treatment of :
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39). Consider the following statements : AIDS, the most dreaded disease of recent times, spreads through 1. blood transfusion 2. sharing the sae toilets and rooms 3. social kissing 4. sexual contact Which of the above statements are correct?
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40). Match the following: A. Linux - 1. Internet B. Pentium - 2. Programming language C. C++ - 3. Microprocessor D. MODEM - 4. Operating system 5. Laser printer Below options are given in A B C D order
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