Kerala PSC Previous Years Question Paper & Answer

Title : SCIENTIFIC ASSISTANT (BIOLOGY) (NCA-SC) - KERALA POLICE SERVICE FORENSIC SCIENCE LABORATORY
Question Code : A

Page:7


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'SCIENTIFIC ASSISTANT (BIOLOGY) (NCA-SC) - KERALA POLICE SERVICE FORENSIC SCIENCE LABORATORY ' And exam conducted in the year 2021. And Question paper code was '1/2021/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.

page: 7 out of 14
Excerpt of Question Code: 1/2021/OL

B:-Rhynchophorus ferrugineus
C=Dicladispa armigera
D-Opisina arenosella
Correct Answer: Option-C
QuestionS0:-In industrial fermentation, secondary metabolites are produced பை of microbial growth
ட்ட
B:-Trophophase
ಟಂ phase
D:Prophase
Correct Answer:- ೦೧000

QuestionS1:-A mixture of DNA lysate has been analysed for nucleotides. It has been found that the Percentage of Guanine in that mixture was 18%, what will be the percentage of
‘Thymine in that mixture by considering Chargaff rules 7

۸96
2:996



5:396

Correct Answer: Option-C

Question52:1. The rubisco enzyme that carries out 0, cycle is equal affinity to Oxygen

Il. The flaws in ८, cycle leads to Photorespiration which is less energy efficient

Il The statement is incorrect, 0, cycle has no flaw

Choose the correct statements

Bell
0

Dell

Correct Answer: Option-C

‘Question53:-Phylogenetic trees constructed from a Gene locus
1 അം 1with 5 changes
॥. Tree 2 with 4 changes
॥. Tree 3 with 6 changes
1४ Tree 4 with 7 changes
Youare directed to select the tree having maximum parsimony. Which of the following statements is correct ?

have resulted in 4 different tree topologies.

കി trees are equally acceptable hypothesis of evolution and tree 2 is the one with maximum parsimony
Beall trees are equally acceptable hypothesis of evolution and tree 4 is the one with maximum parsimony
C-Only tree 4 with maximum changes are accepted and is having maximum parsimony

Di-None of these trees can be accepted as hypothesis and tree 4 15 having maximum parsimony

Correct Answer:- ೦೧000

‘Question54::Which of these enzymes can be found associated with pyrencids 7
1 Alpha Amylase

॥. Rubisco
IM. PEP
IV. Citric acid synthase
५1
Bell
8
0:41 of these

Correct Answer: Option ®
೦050055: 11006 Wide Web is 8 term used to denote
AcMycorthiza
B:-Cuscuta
CeClimbers and Lianas
D-None of these
Correct Answer:- ೦೧000
QuestionS6:-Pichia kudriavzevil is the teleomorph of the Candida Krusei, which of the following statements are true ?
| Pichia Kudriavzevii and Candida Krusei are same organism and teleomorph is the sexual stage of an organism

Il. Pichia Kudriavzevii and Candida Krusei are different organisms, teleomorph is different organism showing same morphology
IL. Pichia Kudriavzevii and Candida Krusei are related organisms, teleomorph is different organism showing same physiology

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