Question
A boy can swim a certain distance downstream in 2 hours
and return in 5 hours. If the rate of stream is 3 kmph then what is the speed of boy in still water?Solution
Let the speed of the boy in still water be x kmph. Then, (x + 3) × 2 = (x – 3) × 5 => 2x + 6 = 5x - 15 => 3x = 21 => x = 7 kmph
Which one of the following is not a food preservative?
Carmoisine is a food additive used as a:
Bioresource Development Centre (BRDC), Meghalaya is working for
Function of nutraceuticals is?
a.    To prevent and treat disease
b.    To improve shelf life
c.    Better st...
The time required to kill 90% of the microorganisms in a sample at a specific temperature is the
a)Â Â Â Â Â Â thermal death point
b...
The energy stored in a substance is called:
The first attempt at aseptic food packing was made in
Which of the following is biodegradable plastic?
Inhibition or slowing of growth of microorganisms can be achieved by:
Options :
1. Freezing
2. Vacuum drying
3. Preservatives
4. Fermentation
Nitrates maintain the red color of preserved meats and:
Relevant for Exams:
