DAILY QUIZ ( 14/11/2020)

Q1 Average Casein Content In Milk Is ?

A} 4.0

B} 2.6

C} 3.4

D} 4.2

ANSWER– B} 2.6 . Average Casein Content In Milk Is 2.6 % ( W/W} .

Water 87.1
Solids-Not-Fat 8.9
Lactose 4.6
Fat 4.0
Protein 3.25.

Q2. Meat Loaf Contains 21% Protein , 12% Fat , 10% Carbohydrates , 1.5 % Minerals ( Salt) , 0.555% Water . Estimate The Specific Heat Of The Loaf ?

A} 2.50 Kj 1/G 1/K

B} 3.00 Kj 1/G 1/K

C} 4.00 Kj 1/G 1/K

D} 12.00 Kj 1/G 1/K

ANSWER-

Cp = 4.18 ( 0.2*0.015 + 0.34 * 0.1 + 0.37 * 0.21 + 0.4*0.12 + 0.555)

Cp= 3.00 Kj 1/G 1/K

Q3. Packaging Has How Many Number Of Primary Functions ?

A} 2

B} 4

C} 6

D} 8

ANSWER– B} 4

Four Primary Functions Of Packaging Have Been Identified:

Containment,

Protection,

Convenience And Communication.

Q4. Equilibrium Relative Humidity Is Defined As ?

A} Aw/100

B} Aw * 100

C} Aw / 1000

D} Aw*1000

ANSWER – B} Aw*100.

The Aw (× 100) Would Be In Equilibrium With The Relative Humidity (RH) Of The Atmosphere About The Food.

In Other Words, Aw × 100 = Equilibrium Relative Humidity (ERH) (%), Aw= ERH/100.

Q5. Bitterness In Almonds Is Due To ?

A} Caffeine

B} Phosphoric Acid

C} Prussic Acid

D} All Of The Above

ANSWER – C} Prussic Acid . Bitterness In Almonds Is Due To The Prussic Acid Which Is Also Known As Hydrocyanic Acid . Side Effects Of Eating Bitter Almonds Are Breathing Difficulties , Nervous System Shutting Down And In Some Cases It Leads To Death .

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