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 '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.
Question84:-Which of the following is not a characteristic of stem cells?
A:-Self-renewal
B:-Differentiation
C:-Apoptosis
D:-Proliferation
Correct Answer:- Option-C
Question85:-What are induced pluripotent stem cells (iPSCs)
A:-Stem cells derived from adult tissues that have been reprogrammed to a
pluripotent state
B:-Stem cells derived from umbilical cord blood
C:-Stem cells derived from embryonic tissues
D:-Stem cells derived from bond marrow
Correct Answer:- Option-A
Question86:-What is the target antigen for trastuzumab (Herceptin)?
A:-CD20 (Cluster of differentiate 20)
B:-HER2 (Human Epidermal Growth factor receptor 2Q
C:-VEGF (Vascular Endotherlial Growth factor)
D:-PD-1 (Programmed Cell Death Protein 1)
Correct Answer:- Option-B
Question87:-Which of the following amino acids is nonpolar?
A:-Asparagine
B:-Glutamine
C:-Leucine
D:-Lysine
Correct Answer:- Option-C
Question88:-Which of the following is an example of a probiotic strain?
A:-Lactobacillus acidophilus
B:-E.coli O157:H7
C:-Salmonella typhi
D:-Streptococcus pyogenes
Correct Answer:- Option-A
Question89:-Which of the following is NOT involved in cell determination?
A:-Gene expression
B:-Environmental cues
C:-Cell migration
D:-Epigenetic modifications