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2nd Year Biology MCQS Chapter 16


A glenoid fossa serves as a point of articulation of: 
neck
girdle & hind limb 
girdle & fore limb
both a & b

A mass of clotted blood that forms at the fracture site is called:
hematoma
hemoglobin
hematoma
callus

All the changes of molting are controlled by the nervous system and the hormone:
serotonin
ecdysone
epinephrine
melanin

All the fibres innervated by a single motor neuron are a
motor box
motorola
motor unit
neuro-unit

Amphibians wriggle along the belly on the ground, with the help of segmentally arranged.
skin patches
scales
muscles
both a & b

Any smooth surface which moves through the air at an angle to the air-stream is:
curvature 
tailplane
aerofoil 
both a & c

A hardened outer surface to which internal muscles can be attached is:
endoskeleton
exoskeleton
hydrostatic skeleton
axial skeleton

An increase in plant girth due to the activity of vascular cambium is called:
primary growth
tertiary growth
secondary growth
quaternary growth

On or over the wound, the cambium forms.
callus
wood tissue
both a & b
gall

Arthritis covers over 100 different types of inflammatory or degenerative diseases that damage the:
legs
joints
sutures
arms

An inflammatory or degenerative disease that damage joints is:
hepatitis
Anthrax
Arthritis
meningitis

At distal end humerus forms hinge joint with:
radius
ulna 
tibia
both a & b

At joint muscles work against each other by contraction. This relationship is called.
hostile arrangement
aggressive arrangement
antagonistic arrangement 
opposed arrangement

At rest, 1/5 the lactic acid is broken aerobically and its energy is used to change remaining 4/5 lactic acid into:
sucrose
glucose
ctose
fructose

At the distal end the femur forms knee joint with the proximal end of two parallel bones called
carpals & metacarpals
radius & ulna
tibia & fibula
tarsal & metatarsal

Spontaneous movements due to internal causes are.
paratonic 
tactic
autonomic
taxis

Ball & Socket joints allow the movement in:
one direction
four directions
two directions
several directions

Bipedal locomotion freed the front appendages, which become adapted for:
prey capture
flight
both a & b
none

Both bones and cartilage consist of living cells embedded in the matrix of protein called
keratin
fibrinogen
collagen
insulin

Buoyancy in the water is maintained by a specialized structure in bony fish called
fins
tail
both a & c
swim bladder