KPK Board 10th Class Biology Ch 8 Biotechnology Short Questions Answers
KPK Board 10th Class Biology Ch 8 Biotechnology Short Questions Answers
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After Online tests for all subjects now it’s time to prepare the next level for KPK board students to prepare their short question section here. We have a complete collection of all classes subject wise and chapter wise thousands questions with the right answer for easy understanding.
We provided 10th class Biology short questions answers on this page of all KPK boards. Students of KPK boards can prepare the Biology subject for annual examinations.
In this List we have included all KPK boards and both Arts and Science students. These Boards students can prepare their exam easily with these short question answer section
Malakand Board 10th classes short questions Answer
Mardan Board 10th classes short questions Answer
Peshawar Board 10th classes short questions Answer
Swat Board 10th classes short questions Answer
Dera Ismail Khan Board 10th classes short questions Answer
Kohat Board 10th classes short questions Answer
Abbottabad Board 10th classes short questions Answer
Bannu Board 10th classes short questions Answer
All above mention KPK Boards students prepare their annual and classes test from these online test and Short question answer series. In coming days we have many other plans to provide all kinds of other preparation on our Gotest website.
How to Prepare KPK Board Classes Short Question Answer at Gotest
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Following are the some fermentation products:
1) Alcohol:
ØIt is the fermentation products of yeast and bacteria.
ØIt is produced by the fermentation of molasses [a thick brown juice of sugar]
ØDuring fermentation the carbohydrates are converted into CO2 and ethyl alcohol.
ØIn medicines alcohol are widely used.
2) Yogurt:
ØIt is a dairy product which contains lactic acid.
ØIt is produced by bacterial fermentation of milk.
ØMilk contains a sugar called lactose.
ØThis lactose is converted into lactic acid.
ØFlavors of different yogurts are due to the different micro organisms used for flavoring.
3) Bread:
ØIt is food derived from milk.
ØIt is formed by the coagulation of milk protein casein.
ØIt is produced in a wide range of flavor and texture.
ØIt comprises proteins and fats from milk usually of cow, goat and sheep etc.
Ans. 1. Aspargilis: Single cell protein
2. Lactobacillus Lactic acid fermentation
3. Saccharomyces cerevisiae: Alcoholic fermentation
4. E-coli: Gene cloning
Ans. Vctors carry foreign DNA so vectors are used in genetic engineering.
Ans. Advantages of biotechnology in agriculture:
i) Higher crop yields.
ii) Higher resistance to diseases.
iii) Less pesticide is needed to be used due to insect pest resistant plants.
iv) Genetically modified organisms (GMO) crops last longer. This decreases the amount of wasted crops and foods.
v) Developed of new kinds of crops that can be grown at extreme climates. For example scientist developed a type of tomato that grows in salty soil.
Ans. Fresh milk is fermented using lactic bacteria as “cultures” (Lactobacillus). The bacteria is added to heated milk, and the milk is then incubated at a specific temperature to maximize the activity of the bacteria.
The bacteria convert the lactose ( milk sugar) to lactic acid, which thickens the milk and gives it the characteristic of yogurt