Kerala PSC Previous Years Question Paper & Answer
Page:16
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Scientific Assistant' And exam conducted in the year 2023. And Question paper code was '079/2023/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.
A:-Only (1) and (II)
B:-Only (1) and (Ill)
C:-Only (II) and (Ill)
D:-All of above
Correct Answer:- Option-D
Question78:-(1) | Assertion : Deborah Number is used in Dynamic Mechanical
Analysis to determine
viscoelastic behaviour of a polymer.
(11) Reason : It determines the relaxation time of the polymer.
A:-Assertion | is correct and Il is the correct reason
B:-Assertion is correct but Il is not the correct reason
C:-Assertion is incorrect but reason is true
D:-Both Assertion and Reason are incorrect
Correct Answer:- Option-A
Question79:-Total number of vibrational modes for xer,
A:-2
B:-3
C:-4
D:-1
Correct Answer:- Option-C
Question80:-Which of the following is a phytotoxin found in castor seed?
A:-Podophyllin
B:-Colchicine
C:-Ricin
D:-Crotin
Correct Answer:- Option-C
Question81:-When 1 mol coci,.5vH; is treated with excess 49Vc,; , 2 mol 4sci are
obtained. The formula of the complex is
A: {coci,(Ha),] Cr
B ന്നി cr
[9.1 ।
D:-[Cocts(w Hs), 2 Hs
Correct Answer:- Option-B
Question82:-For the reaction, u?++27-~mF, , where M is a first transition element, if
the lattice energy is plotted against atomic number, the shape of the graph will be
A:-Linear
B:-Single humped curve