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Q. Explain Rodent Control and pests?
In any food establishment, varieties of insects, pests and rodents pose a big threat to the maintenance of hygienic surroundings. They contaminate food with hair, fur, droppings, eggs and dead bodies, as you have already learnt earlier. They can also czuse considerable damage to food stocks and premises. The common pests found in food processing and food service establishments include tvvo groups of insects, the flies and cockroaches, which are the important carriers of food borne diseases. Flies feed indiscriminately on waste matter, animal wastes and on food from kitchens. The housefly may successively visit a dirty cup, clean glass, a waste material and a dish containing cooked food. The flies leave an invisible trail of bacterial and other disease causing germs. Remember, housefly can spread typhoid, dysentry and diarrhoea. They may also have a part in spreading cholera and many other diseases.
Urine Collection: Untimed or random urine specimens are suitable only for few chemical tests (mainly qualitative test). Usually urine sample is collected over a predetermined
Substances which are insoluble in a membrane are carried across membrane with concentration gradient by means of a carrier molecule in a process termed as: a) Diffusion. b)
Q. What are respiratory pigments? What is the respiratory pigment present in some arthropods? Which is the analogous molecule in humans? Respiratory pigments are molecules able
Locomotory apparatus in protozoa
Explain the Urinary excretion of Ascorbic Acid? The urinary excretion of ascorbic acid falls when the dietary intake is low. Since the tissues are not saturated, a greater part
A n a e r o b i c lagoon system This specific system of liquid manure handling is restricted to organized dairy farms, where the flushed manure is directed into an anae
SUBERIN It is a lipid formed by esterification of phellonic acid or its derivative with glycerol. Suberin occurs in the walls of cork cells and endodermal cells. It makes
Apomixis The formation of sporophyte from the gametophyte without sexual process signifies apomixis. It relates to the replacement of alternation of a reduced gametophyte and
What do all organic compounds contain? The key element is carbon. Organic compounds are all carbon-having compounds. By definition, an organic compound having carbon. Alt
To study the conditions essential for the germination of seeds:- In the diagram below a having seeds on cotton wool with air, warmth, but no water; b has water, warmth, but no
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