FRUITS AND VEGETABLES QUIZ

Bacterial soft rot is caused due to

fermentation of sugars

fermentation of pectin

formation of amino acids

formation of ketones

TRUE ANSWER : ?
YOUR ANSWER : ?

Stem and rots caused by species of molds involve

leaves of fruits

spotting on vegetables

stem ends of fruits

spotting on fruits

TRUE ANSWER : ?
YOUR ANSWER : ?

Yeast are most likely to grow in frozen fruits during

slow thawing

ambient temperature

refrigeration

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Entereobacter aerogenes

P. chrysogenum

E. coli

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

both (a) and (b)

Micrococcus

none of these

Streptococcus

TRUE ANSWER : ?
YOUR ANSWER : ?

Black mold rot is caused by

A. niger

A.flavus

Trichothecium roseum

Trichoderma

TRUE ANSWER : ?
YOUR ANSWER : ?

Concentrate of fruits and vegetable juices

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

favor the growth of Saprophytic bacteria

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Anthracnose is a defect which can be observed as

spotting of leaves

spotting of seedpods

all of these

spotting of fruits

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 room temperature for any considerable period

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

The predominant micro-organisms in frozen foods are

micro-coccus

yeast and moulds

bacteria

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?