6. Anthracnose is a defect which can be observed as

A. spotting of leaves
B. spotting of seedpods
C. spotting of fruits
D. all of these

7. Stem and rots caused by species of molds involve

A. leaves of fruits
B. stem ends of fruits
C. spotting on vegetables
D. spotting on fruits

8. Species of __________ are predominant on thawing vegetables like sweet corn and peas when the temperature of thawing is fairly low.

A. Streptococcus
B. Micrococcus
C. both (a) and (b)
D. none of these

9. Under what conditions food poisoning bacteria may grow and produce toxins in vegetables?

A. When thawed vegetables are held at refrigerated temperature for any considerable period
B. When thawed vegetables are held at room temperature for any considerable period
C. When thawed vegetables are held below the refrigerated temperature for any considerable period
D. None of the above

10. Bacterial soft rot is caused due to

A. fermentation of pectin
B. fermentation of sugars
C. formation of ketones
D. formation of amino acids