CTET Solved Paper - UPTET Feburary 2016
56. Of the following which plant product is a substitute of soap?
- Option : B
- Explanation : Reetha (Sapindus Mukorossi) is an important Ayurvedic medicinal herb that is used for strengthening of hair and fair complexion. It is found in temperate to tropical region. Its dried fruit is used as shampoo and detergent.
57. Among the following automobile fuel which one is considered to be eco-friendly?
- Option : D
- Explanation : CNG (Compressed Natural Gas) is a eco-friendly automobile fuel. It is mainly consist of methane and some ethane is used as a fuel in vehicles. It produces less pollutants such as carbon monoxide, nitrogen oxide etc in comparison to petrol and diesel.
59. Which of the following plants are dispersed widely?
- Option : B
- Explanation : Plants spread their seeds by the action of wind and water, often with morphological adaption, to increase their potential range. Seeds are also spread by animals, often as undigested matter or by attaching to animals.
- Option : B
- Explanation : Commensialism is a relationship between two organisms where one receives a benefit from other and the other is not affected by it. e.g. Atlantic puffin, Cattle egrets, Golden Jackals, Pilot fish, Remora sharks etc.
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