Question

ATAG RUOY TUOAA 2MITST True-False (correct all false statements) To lde T of lor nsdbobivog onil odi no on no eav dio wans ti.noimqo ne 1d as dguond 1 anoite 1. The presence of microorganisms in or on food means that it is unfit for human consumption. h a 2. Some foods can serve as vehicles by which human pathogens are transmitted. Silaup Isidoroim ai gnivoumi ni bool gnidbnald ba gnide to ouley adi wode atluast sesdi to you o 3. Special media used to encourage the growth of specific pathogens in or on food, if they occur, are called selective media. Houp lerio 4. Food spoilage microorganisms are those whose growth or metabolic products cause an undesirable change in texture, aroma, or flavor in the food. 5. Most food spoilage microorganisms are human pathogens. Sutbool odt ni ensgorbsq lo sonses r worle ylonib atln sdlo ys o

Answer 1

1. The presence of microorganisms in or on food means that it is unfit for human consumption.

False - There are beneficial microorganisms as well in certain fermented foods which are healthy for the body. Not all microorganisms are harmful.

2. Some foods can serve as vehicles by which human pathogens are transmitted.

True - contaminated foods can serve as vehicles by which human pathogens are transmitted, The disease cholera is transmitted by contaminated food.

3. Special media used to encourage the growth of specific pathogens in or on food, if they occur, are called selective media.

True - Selective media encourages growth of specific microorganisms, Mac Conkey agar is a selective media that encourage growth of gram negative bacteria.

4. Food spoilage microorganisms are those whose growth or metabolic products cause an undesirable change in texture, aroma, or flavor in the food.

True - Food spoilage by microbes and the byproducts they produce while acting on the food causes undesirable changes in the food - rotten smell, slimy texture etc.

5. Most food spoilage microorganism are human pathogens.

False - Most spoilage microorganisms are either beneficial or they only spoil the food and may not cause disease.

Souring of milk is caused by food spoilage microorganism, but it does not cause disease. The toxins produced by some of the microorganisms can cause illness to certain people.