1. Who proposed the double helical structure of DNA
2. Part of soil that contains organic matter and soil microflora.
3. The first virus which when filtered through Chamberland filter candle, still caused infection. Name the virus.
4. In which of the following situations will the lac operon turned ON
5. The ideal carbon to nitrogen ratio for faster and complete decomposition of organic matter is.
6. Organisms that cannot synthesize an essential metabolite for its growth are called
8. Casein is which type of protein
9. Which of the following group of bacteria are spore forming
10. Pseudomonas putida discovered by
1 out of 2
11. One gene one enzyme concept given by
12. Which of the following is true for appertization technique.
13. Which microorganism is symbiotically associated with soyabean
14. Griffith experiment was based on which organism
15. Continuous cultures during fermentation are obtained through
16. Name the phase which is a period of adaptation of the cells to the new environment.
17. Butyric acid is produced by which microorganisms
18. During nitrogen fixation acetylene is reduced to
19. The temperatures used for canning foods ranges from
20. In the high-temperature short-time (HTST) method of pasteurization, milk is exposed to a temperature of
2 out of 2
