Question
Present average age of 4 friends: ‘A’, ‘B’,
‘C’ and ‘D’ is 36 years. If their ages are in the arithmetic progression in the same order and ‘D’ is 4 years older than ‘B’, then find the sum of present ages of ‘A’ and ‘C’.Solution
Common difference between ages = (4/2) = 2 years. So, let present ages of ‘A’, ‘B’, ‘C’ and ‘D’ be ‘x’, (x + 2) years, (x + 4) years and (x + 6) years, respectively According to question: x + x + 2 + x + 4 + x + 6 = 144 Or, 4x = 132 Or, x = 33 years (Age of A) Present age of ‘C’ = x + 4 = 33 + 4 = 37 years Required sum = 33 + 37 = 70 years
Inhibition or slowing of growth of microorganisms can be achieved by:
Options :
1. Freezing
2. Vacuum drying
3. Preservatives
4. Fermentation
Nisin is used as:
Food processing is the transformation of agricultural products into?
Which of the following is/are the storage granules in bacteria?
a.   glycogen
b.   Poly a-hydroxy butyrate granules
...
The principal microorganism for yogurt is ______________________
canning temperature for low acid food is________Â
After drying, moisture content in vegetables should be:
The repeated washing of fruits and vegetables might remove
Most enzymes are active in pH range
a)Â Â Â 3.5-9.5
b)Â Â Â 4.5-8
c)Â Â Â 4-7
d)Â Â Â 3.5-6
Essential food components for health are called