Biotechnology

The most common microorganism used in biotechnology.

• virus

• bacteria

• yeast

• protozoan

Why do we need to put pectinase when extracting a fruit juice?

• To have a clearer juice

• To get more juice

• To have a better quality in juice

• all of the above

What enzyme can be found in the washing powders?

• protease

• ligase

• fruitease

• all of the above

Why do scientists use bacteria for biotechnology?

• They are small

• They are always available

• They have no allergic reaction

• They can grow rapidly

What is the word equation for anaerobic reaction?

• glucose= ethanol + carbon dioxide

• glucose= ethanol + water + carbon dioxide

• glucose + oxygen= ethanol + carbon dioxide

• none of the above

What are the uses of biofuel?

• substitute for petrol

• for cooking

• for machines

• all of the above

The baking of bread is what kind of respiration?

• cellular respiration

• aerobic respiration

• anaerobic respiration

• systematic respiration

In what country have they srated using biofuel as substitute for petrol?

• America

• Russia

• Brazil

• Philippines

What are the two monosaccharides that are linked together to make lactose?

• glucose and galactose

• glucose and glucose

• galactose and maltose

• fructose and galactose

A chemical activity using yeast to decompose materials(carbohydrates). 

• Fermentation
• Clone
• Bioprocessing
• Hybrid