Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technical Assistant Grade II (SR for ST only)' And exam conducted in the year 2023. And Question paper code was '108/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
B:-Crystal violet
C:-Concentrated carbol fuchsin
D:-Loeffler's alkaline methylene blue
Correct Answer:- Option-D
Question17:-Widal test
1. Detects Salmonella enterica serovar typhi infection
ii. Measures the capacity of antibodies against LPS and flagella in the serum
iii. Is a precipitation test
iv. Is a tube agglutination test
A:-Only i
B:-Both i and ii
C:-Both i and iii
D--i, ii and iv
Correct Answer:- Option-D
Question18:-The method for cultivation of anaerobic bacteria
A:-Robertson cooked meat medium
B:-Mcintosh and Filde's jar
C:-Gas-pak system
D:-All of the above
Correct Answer:- Option-D
Question19:-Yeast is used to produce
A:-Penicillin
B:-Acetic acid
C:-Ethyl alcohol
D:-Butanol
Correct Answer:- Option-C
Question20:-Most important microorganism involved in the production of Yogurt
A:-Penicillium notatum
B:-Saccharomyces cerevisiae
C:-Lactobacillus bulgaricus
D:-Acetobacter aceti
Correct Answer:- Option-C
Question21:-Pure sodium benzoate which is used as chemical preservative in
preservation of fruit juice beverages is practically
A:-Tasteless
B:-Odourless
C:-Both Tasteless and Odourless