FRUITS AND VEGETABLES QUIZ

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

Streptococcus

Micrococcus

both (a) and (b)

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Watery soft rot is found mostly in

cereals

vegetables

fruits

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Black mold rot is caused by

Trichoderma

A. niger

Trichothecium roseum

A.flavus

TRUE ANSWER : ?
YOUR ANSWER : ?

Yeast are most likely to grow in frozen fruits during

ambient temperature

slow thawing

refrigeration

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

None of these

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

P. chrysogenum

Entereobacter aerogenes

None of these

E. coli

TRUE ANSWER : ?
YOUR ANSWER : ?

Anthracnose is a defect which can be observed as

spotting of leaves

all of these

spotting of fruits

spotting of seedpods

TRUE ANSWER : ?
YOUR ANSWER : ?

Concentrate of fruits and vegetable juices

None of these

favor the growth of Saprophytic bacteria

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

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

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 : ?

The predominant micro-organisms in frozen foods are

none of these

micro-coccus

yeast and moulds

bacteria

TRUE ANSWER : ?
YOUR ANSWER : ?