Food might become contaminated by harmful bacteria, Biology

Assignment Help:

Three ways in which food might become contaminated by harmful bacteria.

Food may become contaminated:-

(i) from the unwashed hands of a food-handler,

(ii) by house- flies or blowflies walking over it,

(iii) by infected droplets or dust particles landing on it.

Related Discussions:- Food might become contaminated by harmful bacteria

What proportion of the progeny, In holly, serrated leaves are dominant to s...

In holly, serrated leaves are dominant to smooth-edged leaves, and red berries are dominant to green berries. Two holly plants heterozygous for leaf edge shape and berry color are

Enzyme, Starch is a large molecule consisting of between 300 to 500 glucose...

Starch is a large molecule consisting of between 300 to 500 glucose molecules joined together. A glucose molecule is only very small, consisting of 24 atoms. Cellophane is simila

Cleft palate, Cleft Palate: Well you have now learnt about the cleft l...

Cleft Palate: Well you have now learnt about the cleft lip and now let us dicuss and understand what is cleft palate. Cleft palate (CP) is midline fissure of the palate that

Poverty and malnutrition, Poverty and Malnutrition Poverty and malnutr...

Poverty and Malnutrition Poverty and malnutrition are closely related. As noted before, many elementary aspects of being poor like hunger, inadequate health care, unhygienic l

Consists of the production of atp, Select all that are true/correct: Cellul...

Select all that are true/correct: Cellular respiration consists of the production of ATP in several steps using enzymes. Photosynthesis produces carbohydrates using carbon dioxide

Show the types of oesophagitis conditions, Q. Show the types of oesophagiti...

Q. Show the types of oesophagitis conditions? The two types of oesophagitis conditions: 1. Acute Oesophagitis - It is characterized by substantial pain on swallowing. It is

Off pump coronary artery bypass surgery opcab, Application : Off Pump...

Application : Off Pump Coronary Artery Bypass Surgery (OPCAB) CABG is done on epicai-dial vessels. Cardio pulmonary by pass is used only to get a still h

What event marks the beginning of the menstrual cycle, Q. What event marks ...

Q. What event marks the beginning of the menstrual cycle? What is the blood concentration of FSH, LH, estrogen and progesterone in this phase of the cycle? By convention the me

Per -capita rate, In one year, a population size of 500 changed to 496. Wha...

In one year, a population size of 500 changed to 496. What is the per-capita rate of increase/decrease?

Heat-shock response, Heat-shock Response When growing plantlets or tis...

Heat-shock Response When growing plantlets or tissues of plants are shifted to 42°C and above, the synthesis of normal proteins rapidly declines and instead a set of new prote

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages