HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Choose the term from the list that matches the given description.

The part of the eye that reflects the light most strongly.

You may use each term once, more than once or not at all:

Circular muscles        Cones      Conjunctiva       Contraction         Cornea      Effector     Lens     Motor Neurons      Myelin sheath       Radial muscles      Receptor      Relaxation     Relay neurons     Retina     Rods    Sensory neurons         Suspensory ligaments         Synaptic cleft.

Important Questions on Coordination and Response

HARD
Upper Secondary: IGCSE
IMPORTANT

Choose the term from the list that matches the given description.

The part of the eye that contain receptors.

You may use each term once, more than once or not at all:

Circular muscles        Cones      Conjunctiva       Contraction         Cornea      Effector     Lens     Motor Neurons      Myelin sheath       Radial muscles      Receptor      Relaxation     Relay neurons     Retina     Rods    Sensory neurons         Suspensory ligaments         Synaptic cleft.

HARD
Upper Secondary: IGCSE
IMPORTANT

Choose the term from the list that matches the given description.

A small gap between two neurons.

You may use each term once, more than once or not at all:

Circular muscles        Cones      Conjunctiva       Contraction         Cornea      Effector     Lens     Motor Neurons      Myelin sheath       Radial muscles      Receptor      Relaxation     Relay neurons     Retina     Rods    Sensory neurons         Suspensory ligaments         Synaptic cleft.

HARD
Upper Secondary: IGCSE
IMPORTANT

Choose the term from the list that matches the given description.

The action of ciliary muscles when the eye focuses on a nearby object.

You may use each term once, more than once or not at all:

Circular muscles        Cones      Conjunctiva       Contraction         Cornea      Effector     Lens     Motor Neurons      Myelin sheath       Radial muscles      Receptor      Relaxation     Relay neurons     Retina     Rods    Sensory neurons         Suspensory ligaments         Synaptic cleft.

HARD
Upper Secondary: IGCSE
IMPORTANT

Choose the term from the list that matches the given description.

The muscles in the iris that contract to reduce the amount of light entering the light.

You may use each term once, more than once or not at all:

Circular muscles        Cones      Conjunctiva       Contraction         Cornea      Effector     Lens     Motor Neurons      Myelin sheath       Radial muscles      Receptor      Relaxation     Relay neurons     Retina     Rods    Sensory neurons         Suspensory ligaments         Synaptic cleft.

HARD
Upper Secondary: IGCSE
IMPORTANT

Choose the term from the list that matches the given description.

Cells that are sensitive to different colours of light.

You may use each term once, more than once or not at all:

Circular muscles        Cones      Conjunctiva       Contraction         Cornea      Effector     Lens     Motor Neurons      Myelin sheath       Radial muscles      Receptor      Relaxation     Relay neurons     Retina     Rods    Sensory neurons         Suspensory ligaments         Synaptic cleft.

HARD
Upper Secondary: IGCSE
IMPORTANT

Explain the difference between the Cornea and Conjunctiva. 

HARD
Upper Secondary: IGCSE
IMPORTANT

Explain the difference between the Choroid and Sclera.

HARD
Upper Secondary: IGCSE
IMPORTANT

Explain the difference between the Receptor and Effector.