Kerala PSC Previous Years Question Paper & Answer
Page:4
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.
= band and M-band
D:-Hensen’s band and Z-band
Correct Answer: Option ®
Question25:-The jumping of nerve impulses from one node to the next in medullated nerve fibre is called
‘A-Synaptic transmission
B-Inhibitory transmission
C:Saltatory transmission
D:-Synaptic delay
Correct Answer: Option-C
‘Question26::Which among the following is NOT a hypothalamic hormone ?
جما رورم نم
ന്ന
C-Vasopressin
फला
Correct Answer: Option ®
Question27:-The hormones secreted by thymus gland
AcThymosin and Thymopoiatin
B:Thymin-| and Thymin-t
CoHTH and THF
D:-All the above
Correct Answer: Option-D
‘Question28:-Crossing-over and genetic recombination between adjoining non-sister chromatids occur during
AcPachytene stage of first meiotic prophase
B:-Zygotene stage of first meiotic prophase
C:Leptotene stage of first meiotic prophase
D:-Diplotene stage of first meiotic prophase
Correct Answer: Option:
‘Question29:-Edward's syndrome is the result of
AcTisomy-13
2:7798
നടേ
ഉം നാടോ
Correct Answer: Option ®
‘Question30:-The RNAs present in 80S Eukaryotes chromosomes
6-235 1804, 55 FRNA and 165 rRNA
8:-285 rRNA, ടട RNA, 5.85 rRNA and 185 FRNA
೦-285 FRNA, 5S rRNA and 165 rRNA
D:-235 rRNA, 5S FRNA and 18S rRNA
Correct Answer: Option ®
‘Question31:-Which among the following is known as "Portuguese -mar-of war" ?
[व
B:-Physalia
cVelella
D:-Aurelia
Correct Answer: Option ®
‘Question32:-Phylum ‘ctenophora' is known as
A-Comb jellies
Be-Barrel-lly fish
പട