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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.
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D-None of these
Correct Answer:- Option-C
QuestionS7:-Root wilt isa serious disease causing havoc in Kerala coconut plantations.
‘AcThe disease is caused by Plant hopper and lacewing bug
B:-The disease is caused by Phytoplasma, Plant hopper and lacewing bug spreads the disease
C-The disease is caused by Phytoplasma Plant hopper spreads the disease
D:-The disease is caused by Phytoplasma and spread by wind
Correct Answer:- Option ®
QuestionS8::Which of this is @ recently (in 2019) reported bryophyte from Kerala ?
‘ACololejeunea manilalia
B:-Marchantia polymorpha
CeRiccia nilagirica
D:-Riccia sahyadrica
Correct Answer:- Option-D
‘Question59::Which among the following is Not a class in the recent classification of Pteridophytes by
Smith?
A-Equisetopsida
B:-Psilotopsida
CoMarattiopsida
D:-Sphaenopsida
Correct Answer: Option-D
‘Question60:-Archaeosperma amnoldii is a remarkable fossil found from the famennian of Penysylvania, USA. What makes this fossil remarkable 7
|. tis the 1 record of angiosperm fossil
Il tis the earliest ovuliferous structure due to the presence of cupules
II Ibis indication of early seed habit due to the presence of Endosperm
Which of these statements are true ?
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Det and it
Correct Answer:- Option-C
‘Question61::Which of these plants yield an anticancer drug ?
‘AcThuja plicata
B:-Podocarpus wallichianus
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D:-Juniperus bermudiana
Correct Answer:- Option-C
Question62:-Which of the following statements are true about R-Plasmids ?
Lit is extrachromosomal genetic material
Il Ithave genes encoding bacterial toxins
IM. ttis circular and confer resistance to antibiotics
IV. It can spread fast in bacterial populations
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Cell and it
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Correct Answer: Option-D
Question63:
B:-Devonian extinction
C-Cretaceous-tertiary extinction