Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Na+ -K+ ATPase pump is important for_______________?
A: Maintenance of resting potential
B: Massive out flux of K+ after depolarization
C: Recovery of resting potential
D: Conversion of resting potential into action potential
Recovery of resting potential
Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ___________ process?
A: Active
B: Passive
C: Diffusional
D: None of these.
Active
Cell membrane under resting conditions is impermeable to all the ions except_____________?
A: Na+
B: K+
C: Cl-
D: PO4-2
K+
Graves disease is produced due to____________?
A: Undersecretion of thyroxin
B: Overproduction of thyroxin
C: Undersecretion of corticosteroids
D: Overproduction of corticosteroids
Overproduction of thyroxin
MSH is produced from___________?
A: Anterior pituitary
B: Median pituitary
C: Posterior pituitary
D: None of these
Median pituitary
____________ was first to propose an objective definition of instinct.
A: Thorpe
B: Darwin
C: Pavlov
D: Kohler
Darwin
Types of behaviour enabling pillbugs to reach moist area is___________?
A: Kinesis
B: Taxes
C: Instinct
D: Learning
Kinesis
Nissls granules are present in which part of the neuron_________________?
A: Axoplasm
B: Myelin sheath
C: Dendrite
D: Soma
Soma