Practice Questions
1.Outline how the nervous system is organised
The nervous system is made up of the central nervous system and the peripheral nervous system.
Central nervous system consists of the brain and spinal cord.
Peripheral nervous system is the nerves that connect the CNS to the rest of the body.
2. State the sequence of steps that occur from a stimulus to a response
stimulus>receptor>sensory neurone>Coordinator (CNS)> motor neurone>effector>response
3. Give two examples of effectors
Muscles and glands
Factors affecting the rate of photosynthesis
Measuring & calculating rates of photosynthesis
Inverse square law and photosynthesis
Economics of enhancing the conditions in greenhouses
Investigating the effect of light intensity on the rate of photosynthesis
Data analysis and nervous system
The effect of a factor on human reaction time
Controlling blood glucose concentration
Regulating water and nitrogen levels in the body.
Hormones and human reproduction
Using hormones to treat infertility
Control and coordination in plants using hormones
Investigating the effect of light or gravity on the growth of newly germinated seedlings