Science & Technology UPSC PYQ 2013

Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by

Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to: Resist drought and increase absorptive area Tolerate extremes of pH Resist disease infestation Select the correct answer using the codes given below:

Which of the following statements is/are correct? Viruses lack enzymes necessary for the generation of energy Viruses can be cultured in any synthetic medium. Viruses are transmitted from one organism to another by biological vectors only Select the correct answer using the codes given below.