Biotechnology Test 03

Total Questions: 21

1 - Malted food is /are;

A ) Powdered milk
B ) Mixture of barley
C ) Whole milk
D ) All of these ✅

2 - Which is used for souring milk and for producation of various of cheese?

A ) Lactobacillus
B ) Streptococcus
C ) Both Lactobacillus and streptococcus ✅
D ) Sacharomyces

3 - Fermentation makes the food:

A ) More Digestible ✅
B ) Less Nutritious
C ) Tasteless
D ) Less digestible

4 - Grapes can directly be fermented by yesats to:

A ) Formic acid
B ) Wine ✅
C ) Pyruvic acid
D ) Ethanol

5 - Which product is used in electroplating?

A ) Formic acid ✅
B ) Ethanol
C ) Glycerol
D ) Acrylic acid

6 - Fermentar which maintains the microorganism in growth phese:

A ) Discontinuous formentation
B ) Continuous fermentation ✅
C ) Batch fermentation
D ) Column fermentation

7 - A joining enzymes is;

A ) Thymosin
B ) Endonuclease
C ) Ligase ✅
D ) Urokinase

8 - A breaking enzyme is;

A ) Recombinant DNA
B ) Ligase
C ) Urokinase
D ) Endonuclease ✅

9 - SCP has a good prospects for future because it contains all important;

A ) Nutrients
B ) Amino acids ✅
C ) Lipids
D ) Fats

10 - It is catabolic process:

A ) Photosynthesis
B ) Fermentation ✅
C ) Biotechnology
D ) Reduction

11 - To preserve fruits, vegetable and pickles we add;

A ) Water and yogurt
B ) Salt and acid ✅
C ) Flour and salt
D ) Onion and garlic

13 - This product is used for making soaps:

A ) Formic acid
B ) Acrylic acid
C ) Ethanol
D ) Glycerol ✅

14 - In first phase of glycolysis, glucose molecule splits into two molecules of____.

A ) Citric acid
B ) Lactic acid
C ) Pyruvic acid ✅
D ) Formic acid

15 - Interferons are:

A ) Antiviral proteins
B ) Antibiotic proteins
C ) Antiphage proteins
D ) Antialgal proteins ✅

16 - Protein content extracted from the pure culture of algae, yeast, fungi or bacteria are;

A ) GMO
B ) Multiply proteins
C ) Recombinant proteins
D ) Single call protein ✅

18 - Fungi used in alcoholic fermentation is:

A ) Saccharomyces ✅
B ) Basidiomycetes
C ) Zygomycetes
D ) Algin

20 - Yogurt is made from milk fermentation by_____.

A ) Saccharomyces
B ) Lactic acid bacteria ✅
C ) Yeast
D ) Bacillus

21 - Fermented food is/are;

A ) Pickles
B ) Yogurt
C ) Pickles and Yogurt ✅
D ) Wheat flour