Question
 If 2 boys and 2 girls are to be arranged in a row so
that the girls are not next to each other, how many possible arrangements are there?Solution
Let the two girls be G1 and G2 Let the two boys be B1 and B2 Possible arrangements are : G1 B1 B2 G2, G1 B2 B1 G2, G2 B1 B2 G1, G2 B2 B1 G1 B1 G1 B2 G2, B1 G2 B2 G1, B2 G2 B1 G1, B2 G1 B1 G2 G1 B1 G2 B2, G2 B1 G1 B2, G1 B2 G2 B1, G2 B2 G1 B1 Hence, option 3  is the correct answer.
Example of a typical homopolysaccharide is:
The name of the useful bacteria to produce Beer is
The Baudouin test checks adulteration in:
Enzyme hydrolyzing bacterial cell wall is called
secondary metabolite are produced during --------- of bacterial growth
The flour improver used for improving dough quality is
A food must contain less than ___ grams of fat per serving to be considered a low-fat food:
Bacteria used to absorb ethylene from storage chambers is:
(I) Bacteria
(a) 0.9- 0.95
(ii) Yeast
(b) Staphylococcus
(iii) molds
(C ) Entamoeba
(iv) Protozoa
(d) 0.7-0.8
This highly alkaline substance neutralizes acidic chyme for enzyme action. It is called:
