Kerala PSC Previous Years Question Paper & Answer
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)' And exam conducted in the year 2021. And Question paper code was '001/2021/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:-Rhynchophorus ferrugineus
C=Dicladispa armigera
D-Opisina arenosella
Correct Answer:- Option-C
QuestionS0:-In industrial fermentation, secondary metabolites are produced ൨ of microbial growth
‘Acidiophase
B:-Trophophase
CoLag phase
D:-Prophase
Correct Answer:- Option-é
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
6ی
5:96
Correct Answer:- Option-C
Question52:
Il. The flaws 17 0, cycle leads to Photorespiration which is less energy efficient
Il The statement is incorrect, ¢, cycle has no flaw
Choose the correct statements
५1
Bell
0
Dell
Correct Answer: Option-C
‘Question53:-Phylogenetic trees constructed from a Gene locus
Tree 1 with 5 changes
Il. Tree 2 with 4 changes
Il Tree 3 with 6 changes
1४ Tree 4 with 7 changes
You are directed to select the tree having maximum parsimony. Which of the following statements is correct ?
have resulted in 4 different tree topologies.
ಯ 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 is having maximum parsimony
Correct Answer:- Option-é
QuestionS4::Which of these enzymes can be found associated with pyrencids ?
L Alpha Amylase
I. Rubisco
IM. PEP
IV. Citric acid synthase
५1
Bell
0
D:-All of these
Correct Answer:- Option ®
Question55::Wood Wide Web is a term used to denote
AcMycorthiza
B:-Cuscuta
CeClimbers and Lianas
D-None of these
Correct Answer:- Option-é
QuestionS6:-Pichia kudriavzevil is the teleomorph of the Candida Krusei, which of the following statements are true ?
| Pichia Kudriavzevi and Candida Krusei are same organism and teleomorph is the sexual stage of an organism
I. Pichia Kudriavzevii and Candida Krusei are different organisms, teleomorph is different organism showing same morphology
I. Pichia Kudriavzevii and Candida Krusei are related organisms, teleomorph is different organism showing same physiology