FRUITS AND VEGETABLES QUIZ

The micro-organism which is present in both fresh and frozen juices is

P. chrysogenum

E. coli

None of these

Entereobacter aerogenes

TRUE ANSWER : ?
YOUR ANSWER : ?

Bacterial soft rot is caused due to

fermentation of sugars

formation of amino acids

formation of ketones

fermentation of pectin

TRUE ANSWER : ?
YOUR ANSWER : ?

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

none of these

both (a) and (b)

Micrococcus

Streptococcus

TRUE ANSWER : ?
YOUR ANSWER : ?

Yeast are most likely to grow in frozen fruits during

refrigeration

ambient temperature

slow thawing

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Stem and rots caused by species of molds involve

spotting on vegetables

stem ends of fruits

leaves of fruits

spotting on fruits

TRUE ANSWER : ?
YOUR ANSWER : ?

The predominant micro-organisms in frozen foods are

bacteria

micro-coccus

yeast and moulds

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Watery soft rot is found mostly in

cereals

all of these

fruits

vegetables

TRUE ANSWER : ?
YOUR ANSWER : ?

Black mold rot is caused by

A. niger

Trichoderma

Trichothecium roseum

A.flavus

TRUE ANSWER : ?
YOUR ANSWER : ?

Concentrate of fruits and vegetable juices

favor the growth of Saprophytic bacteria

favour the growth of yeast and of acid and sugar tolerant Leuconostoc and Lactobacillus species

None of these

favor the growth of A. niger and A. flavus species

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None of these

When thawed vegetables are held at refrigerated temperature for any considerable period

When thawed vegetables are held below refrigerated temperature for any considerable period

When thawed vegetables are held at room temperature for any considerable period

TRUE ANSWER : ?
YOUR ANSWER : ?