Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Circular disc shaped structure with a round hole is ___________ ?
A: Iris
B: Pupil
C: Horoid coat
D: Ciliary body
Iris
The higher animals have special organs for exchange of gases as their skin is ___________ ?
A: Thin
B: Thick
C: Soft
D: Hard
Thick
Dorsal root of spinal nerves contain only __________ ?
A: A. Effectors neurons
B: Receptor neurons
C: Stimulators
D: Detector neurons
Receptor neurons
Study of interaction of living organisms with other organisms and their environment relates with ___________ ?
A: A. Botany
B: Ecology
C: Social biology
D: Pharmacology
Ecology
__________is a condition in which there is an absence of oxygen supply to an organs tissues?
A: Anoxia
B: Anorexia
C: Hypoxia
D: Enuresis
Anoxia
Outer surface of bones is covered by a dense layer of connective tissue, called as ___________ ?
A: Periosteum
B: Woven bone
C: Epithelium lining
D: Connective lining
Periosteum