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Test for the presence of water in food items
Take 10 gms of potato slices, lady's finger, corriander leaves and wheat grains in separate petri dishes and expose them to sunlight for four days. Note down their weight. You will find that the potato slices, lady's finger and corriander leaves have lost weight since the water in them has evapora..
Epigeal Germination
In this type of germination, the cotyledons come above the surface of the soil into the air due to the rapid growth and elongation of the hypocotyl. The cotyledons turn green and make food. They finally dry up and fall off once the seedling becomes an independent plant. Examples..
Mechanism of digestion
>haemocoel . From here, it is transported to the different body parts. In the hindgut , absorption of water takes place and the undigested food is formed into almost dry pellets. These are excreted through the anus as faece..
Animal Resources
Animal Resources - All animal species, which are domesticated and grow friendly to human beings, are grouped as animal resources. These are some select species of animals. But they are large populations of each species, while wild species are large in number with smaller population in each species...
Care of Young Ones
a) In honey bees (Apis indica) larvae are fed by the workers and the development depends on nature of food provided to the larvae. b) In birds like sparrow, weaver bird, pigeon etc. the hatchlings are naked, blind and need more parental care. Such young ones are called altricial or nidico..
Uses
Carbon dioxide is used In the manufacture of aerated water (soft drinks). As a fire extinguisher. For the manufacture of sodium carbonate and sodium bicarbonate by Solvay process. As a refrigeration/coolant (in the form of dry ice) for perishables in food industry e...
Wells
Wells are dug wherever exploitable ground water is present. Wells are of two kinds:..
Wells are dug wherever exploitable ground water is present. Wells are of two kinds:..Natural Resources and Conservation Summary
>Edaphic resources include alluvial, black soil, red soil, laterite soil, desert soil and problematic soil Forest resources are useful to man in many ways Crop resources include all types of crops - whose cultivation has provided, food, fodder, clothing, industrial products to human being..
Cutie Pie Summary
. One of them pressed the button that closed the glass wall. The food bowl jammed it which caused a gap. Ch-tsal then escaped into the human world through this gap. Ch-tsal sensed that he could breathe in the air and the temperature was pleasant. He would have sent a message of thanks to ..
Dumping of solid wastes
In general, solid waste includes garbage, domestic refuse and discarded solid materials such as those from commercial, industrial and agricultural operations. They contain increasing amounts of paper, cardboards, plastics, glass, old construction material, packaging material and toxic or otherwise..
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