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General Knowledge - Biology


1. A mature living cell without a nucleus is a


2. The animal which uses sounds as its 'eyes' is


3. What is the mode of nutrition of mushroom?


4. The effect of hormones on the body is


5. A "clinical death" take place when



6. Vitamin concerned with vision is


7. A highly evolved human brain contains approximately


8. Malaria in man is due to


9. A ligament is


10. Iodised salt is useful for men because it


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  • Precautions while using Shampoo

    India

    In India, a variety of herbs and their extracts were used as shampoos. A very effective early shampoo was made by boiling Sapindus with dried Indian gooseberry (aamla) and a few other herbs, using the strained extract. Sapindus, also known as soapberries or soapnuts, is called Ksuna (Sanskrit: in ancient Indian texts and its fruit pulp contain saponins which are a natural surfactant. The extract of soapberries, a tropical tree widespread in India, creates a lather which Indian texts called phenaka (Sanskrit: It leaves the hair soft, shiny and manageable. Other products used for hair cleansing were shikakai (Acacia concinna), soapnuts (Sapindus), hibiscus flowers, ritha and arappu (Albizzia amara). Guru Nanak, a Sikh guru, made references to soapberry tree and soap in 16th century.


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