WorksheetsCoordination and response
Total questions: 18
Worksheet time: 6mins
Groups of receptor cells responding to specific stimuli are called (a)
a junction between two nerve cells, constiting of a minute gap across which impulses pass by diffusion of a neurotrasmitter is called (a)
In bright light...
the radial muscles in the iris contract
the radial muscles in the iris relax
the circular muscles in the iris contract
the circular muscles in the iris relax
In dim light...
the circular muscles in the iris relax
the circular muscles in the iris contract
the radial muscles in the iris contract
the radial muscles in the iris relax
Changes in an organism´s environment are called (a) , and are sensed by specialised cells.
The human nervous system is made of special cells called (a) .
The central nervous system is made up of...
nerves and receptors
the brain and receptors
receptors and spinal cord
the brain and spinal cord
The peripheral nervous system is made up of...
nerves and receptors
the brain and receptors
receptors and spinal cord
the brain and spinal cord
Rod cells...
are sensitive to quite dim light but they do not respond to colour
are sensitive to quite dim light and they respond to colour
they only function when the light is quite bright
they only respond to colour
Cone cells....
they do not respond to colour
only are able to distinguis colours
are sensitive to quite dim light but they do not respond to colour
are able to distinguish different colours but they only function when the light is quite bright
a response in which a plant grows towards or away from gravity is called (a)
a response in which a plant grows towards or away from the direction from which light is coming is called (a)
The plant hormone which is made all the time by the cells in the tip of a shoot is called (a)
The retina...
is the part which is sensitive to light
is a coat surrounding the part of the eye inside the orbit
is the coloured part of the eye
is a transparent membrane, always kept moist by a fluid made in the tear glands.
The conjunctiva...
is the coloured part of the eye
is a coat surrounding the part of the eye inside the orbit
is a transparent membrane, always kept moistby a fluid made in the tear glands
is the part which is sensitive to light
Hormones are made in special glands called (a)
in the nervous system...
information is transmitted in the form of electrical impulses
the information travels slowly
the information travels very quicky
information is transmitted in the form of chemicals called hormones
In the endocrine system...
impulses are transmitted along nerve fibres
the information is transmitted in the form of chemicals called hormones
chemicals carried are dissolved in the blood plasma
the information is transmitted in the form of electrical impulses
