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WorksheetsYear 10 Triple Science B10 knowledge checker
Total questions: 15
Worksheet time: 30mins
What is homeostasis?
the regulation of the internal conditions of a cell or organism
the regulation of the external environment of a cell or organism
the variation of the internal conditions of a cell or organism
the variation of the external environment of a cell or organism
What is the correct term for the specialised cells that detect changes in the external environment?
Effectors
Co-ordination centres
Receptors
Detectors
What is the correct term for the muscles and glands that bring about responses in the body?
Effectors
Co-ordination centres
Receptors
Detectors
What does the central nervous system consist of?
The brain
The sense organs
Muscles and glands
The brain and spinal cord
What do we call the cells of the nervous system that are specialised to carry electric impulses around the body?
Neurons
Synapses
Neurones
Reflexes
Which option shows the correct sequence of events in a reflex arc?
stimulus---receptor---relay neurone in the CNS---sensory neurone---motor neurone---effector
stimulus---receptor---motor neurone---relay neurone in the CNS---sensory neurone---effector
stimulus---effector---sensory neurone---relay neurone in the CNS---motor neurone---receptor
stimulus---receptor---sensory neurone---relay neurone in the CNS---motor neurone---effector
What is the correct term for the junction between 2 neurones?
Neurotransmitter
Synapse
Dendrite
Cell body
How is a nerve impulse transmitted across a synapse?
Small pixies carry the impulse across the gap
Osmosis
An electrical impulse
Chemicals called neurotransmitters
Cerebral cortex
Cerebellum
Medulla
Hypothalamus
What is this?
Cerebral cortex
Medulla
Cerebellum
Hypothalamus
Which part of the brain controls heartbeat and breathing
Cerebral cortex
Medulla
Cerebellum
Hypothalamus
Which muscles in the eye contract and relax to change the size of the pupil
circular and radial muscles
Ciliary muscles
Suspensory ligaments
bicep
Which part of the eye has photoreceptors called rods and cones that help us to detect colour and light intensity?
optic nerve
sclera
retina
cornea
What is the scientific name for the eye problem where a person sees distant objects clearly but is unable to focus on near objects?
Myopia
Glaucoma
Astigmatism
Hyperopia
Which part of the brain is known as the "Little Brain" and is in charge of balance and coordinating movements
Medulla
Cerebral cortex
Hypothalamus
Cerebellum
