Note the effects on growth of plants kept in different soils.

Note the rate of transpiration of plants in soil with sufficient water and soil with less water.

Note the rate of transpiration in light and darkness and explan reasons.

The eggnog is a farm drink . In early days, the milk was creamed , and the spent milk was mixed with egg yolk to make it thick as a fresh healthy drink for the poor farm workers.In Britain & Europe the drink was popular.The word nogmeans wooden mug used by the poor farmers to drink ale which they fermented.

Often after the butter was churned, the spent milk was not wasted but fermented with sugar to make it an intoxicating drink for the poor farmers and mixed with egg yolk to make it a thick frothy ale .Those who could not afford wine or other alcoholic drinks drank eggnog and it was probably introduced by the early settlers who bred cattle and built small farms in the Virginia colony in Jamestown as early as 1607.

In later period when taxes were imposed on alcohol, eggnog became a popular alternative drink in USA with concoctions and variation in eggnog drink.Today eggnog mixed with alcohol is also served during festivity.

Ingredients

• 1 1/2 cup sugar
• 1/4 cup flour
• 1/8 teaspoon salt
• 4 each eggs
• 2 each egg whites
• 8 cup milk, skim
• 2 teaspoon vanilla extract
• 1/8 teaspoon nutmeg, ground
• 1 cup whiskey (optional)

Scald milk. Whisk together sugar, flour, and salt in heavy 6-qt saucepan.

Add eggs and egg whites and whisk until smooth. Gradually whisk in milk.

Cook over low heat, stirring with wooden spoon, 15 minutes or until custard

is thickened and just coats the back of the spoon. Remove from heat and

refrigerate. The custard will thicken as it cools. When cold, stir in

vanilla, nutmeg, and whiskey.

Commercially prepared eggnog is made from pasteurized eggs, therefore it is safe for pregnant women. Homemade eggnog made with raw eggs is not safe, as it can contain salmonella.

Yes, as long as it's pasteurized (which is a given with store-bought egg nog). Homemade egg nog with raw eggs is NOT okay due to salmonella risks.