Biology · Textbook solutions

Neural Control and Coordination

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. · 24 questions

Exercises

24 q

Ex 18 Q1 $Briefly describe the structure of the Brain$
Compare the following:
Ex 18 Q2 (a) $Central neural system (CNS) and Peripheral neural system (PNS)$
Ex 18 Q2 (b) $Resting potential and action potential$
Explain the following processes:
Ex 18 Q3 (a) $Polarisation of the membrane of a nerve fibre$
Ex 18 Q3 (b) $Depolarisation of the membrane of a nerve fibre$
Ex 18 Q3 (c) $Transmission of a nerve impulse across a chemical synapse$
Draw labelled diagrams of the following:
Ex 18 Q4 (a) $Neuron$
Ex 18 Q4 (b) $Brain$
Write short notes on the following:
Ex 18 Q5 (a) $Neural coordination$
Ex 18 Q5 (b) $Forebrain$
Ex 18 Q5 (c) $Midbrain$
Ex 18 Q5 (d) $Hindbrain$
Ex 18 Q5 (e) $Synapse$
Ex 18 Q6 $Give a brief account of Mechanism of synaptic transmission.$
Ex 18 Q7 $\text{Na}^+$
Differentiate between:
Ex 18 Q8 (a) $Myelinated and non-myelinated axons$
Ex 18 Q8 (b) $Dendrites and axons$
Ex 18 Q8 (c) $Thalamus and Hypothalamus$
Ex 18 Q8 (d) $Cerebrum and Cerebellum$
Answer the following:
Ex 18 Q9 (a) $Which part of the human brain is the most developed?$
Ex 18 Q9 (b) $Which part of our central neural system acts as a master clock?$
Distinguish between:
Ex 18 Q10 (a) $afferent neurons and efferent neurons$
Ex 18 Q10 (b) $impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre$
Ex 18 Q10 (f) $cranial nerves and spinal nerves.$