FRUITS AND VEGETABLES QUIZ

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

E. coli

P. chrysogenum

Entereobacter aerogenes

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.

Micrococcus

Streptococcus

both (a) and (b)

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Stem and rots caused by species of molds involve

stem ends of fruits

spotting on fruits

spotting on vegetables

leaves of fruits

TRUE ANSWER : ?
YOUR ANSWER : ?

Saprophytic bacteria cause

brown rot in vegetables

black rot in fruits

bacterial soft rot

sliminess or souring in piled, wet and heating vegetables

TRUE ANSWER : ?
YOUR ANSWER : ?

Anthracnose is a defect which can be observed as

spotting of fruits

spotting of seedpods

spotting of leaves

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Bacterial soft rot is caused due to

formation of amino acids

fermentation of pectin

formation of ketones

fermentation of sugars

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 Saprophytic bacteria

None of these

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

TRUE ANSWER : ?
YOUR ANSWER : ?

The predominant micro-organisms in frozen foods are

micro-coccus

none of these

bacteria

yeast and moulds

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

slow thawing

refrigeration

none of these

ambient temperature

TRUE ANSWER : ?
YOUR ANSWER : ?