Kerala PSC Previous Years Question Paper & Answer
Page:18
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Director (Biology)' And exam conducted in the year 2023. And Question paper code was '123/2023/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.
D:-Decreased surfactant production and smaller radii of alveoli
Correct Answer:- Option-D
Question79:-Overall ability of antibodies to interact with antigen is called
A:-Cross reactivity
B:-Avidity
C:-Affinity
D:-Specificity
Correct Answer:- Option-B
Question80:-Which of the following combinations are correct?
(i) Widal's test-Typhoid-Agglutination test
(ii) Weil-Felix test-Rickettsial infections-Precipitation test
(iii) Wasserman test-Sypthilis-Complement fixation test
A:-(i) and (ii)
B:-(i) and (iii)
C:-(ii) and (iii)
D:-All of these
Correct Answer:- Option-B
Question81:-Which of the following is not a type of tissue culture?
A:-Meristem culture
B:-Embryo culture
C:-Leaf culture
D:-Bacterial culture
Correct Answer:- Option-D
Question82:-Which of the following is an example of a tissue-engineered product
that has been approved for clinical use?
A:-Artificial heart valve
B:-Artificial kidney
C:-Artificial pancreas
D:-All of the above
Correct Answer:- Option-A
Question83:-Which of the following is a commonly used cryoprotectant in embryo
cryopreservation?
A:-Ethanol
B:-Dimethyl sulfoxide (DMSO)
C:-Formaldehyde
D:-Hydrogen peroxide
Correct Answer:- Option-B