Kerala PSC Previous Years Question Paper & Answer
Page:17
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Director (Biology)' And exam conducted in the year 2023. And Question paper code was '123/2023/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.
Question73:-In chemical control of respiration, oxygen has a significant direct effect
on
A:-Respiratory center of brain
B:-Peripheral chemorceptors of carotid bodies
C:-Peripheral chemoreceptors of aortic bodies
D:-Both (2) and (c)
Correct Answer:- Option-D
Question74:-Zymogen activation by autocatalysis is shown by
A:-Chymotrypsin
B:-Trypsin
C:-Carboxypeptidase
D:-Elastase
Correct Answer:- Option-B
Question75:-Damage to the substantia nigra of basal ganglia results in
A:-Alzheimers
B:-Schizophrenia
C:-Parkinsons
D:-Both (1) and (3)
Correct Answer:- Option-C
Question76:-Which antibody complies the following characteristics : enters
secretion,crosses placenta, binds to macrophages/neutrophils
A:-IgM
8:-106
ഠാ
D:-All of these
Correct Answer:- Option-B
Question77:-Glucose uptake from the lumen of small intestinal is an example of
A:-Simple diffusion
B:-Primary active transport
C:-Secondary active transport
D:-Filtration
Correct Answer:- Option-C
Question78:-Respiratory distress syndrome in premature babies can be caused by
A:-Increased surfactant production and larger radii of alveoli
B:-Increased surfactant production and smaller radii of alveoli
C:-Decreased surfactant production and larger radii of alveoli