Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN NATURAL SCIENCE' And exam conducted in the year 2017. And Question paper code was '085/2017/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.
Correct Answer:- Option-C
Question38:-Casparian thickening in endodermis is made up of
A:-Cutine
B:-Suberine
C:-Pectin
D:-Chitin
Correct Answer:- Option-B
Question39:-Which of the following is a non-nucleated cell ?
A:-Companion cell
B:-Sieve tube
C:-Trachied
D:-Collenchyma
Correct Answer:- Option-B
Question40:-Caryopsis is the type of fruit found in which of the following family ?
A:-Asteraceae
B:-Cyperaceae
C:-Poaceae
D:-Amaranthaceae
Correct Answer:- Option-C
Question41:-The stage of meiosis in which chromosomes pairs and cross over takes place
A:-Prophase |
B:-Metaphase |
C:-Prophase II
D:-Metaphase II
Correct Answer:- Option-A
Question42:-Which of the following is not an adaptive modification of a xerophytic plant ?
A:-Well developed Aerenchyma
B:-Sunken stomata
C:-Scale leaves
D:-Lacunar tissues
Correct Answer:- Option-A
Question43:-Proton motive force during oxidative phosphorylation is generated in mitochondria by
A:-Exchanging protons णि ` ।8^ (+) ` ` {0715
B:-Pumping protons out in the intermembrance space
:-Pumping OH ions in the mitochondria
D:-Hydrolysis of ATP
Correct Answer:- Option-B
Question44:-Which one of the following compounds is not a part of alkaloid class of secondary metabolite 7
A:-Lignin
B:-Indole
:-Propane
D:-Pyrrolidne
Correct Answer:- Option-A
Question45:-Which one of the following is not true for monocots ?
A:-Sieve tubes with companion cells
B:-Vascular bundles are numerous
C:-Vascular cambium present
D:-All of the above
Correct Answer:- Option-C
Question46:-Which one of the following chemical is a DNA intercalator ?
A:-5-bromouracil
-Ethy! methyl salfonate
C:-Acrydine orange
D:-None of the above
Correct Answer:- Option-C
Question47:-In Eukaryotic replication helicase loading occurs with all replications during
4:-` 6 (0) 01256
0 (1) 0125€
C:-S phase