Biology Central Nervous System Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The main transmitter for synapses that lie outside the central nervous system is

1. serotonin
2. adrenaline
3. acetylcholine
4. dopamine

MCQ 2: Messages from the central nervous system to effector is transferred through

1. sensory neurons
2. motor neurons
3. relay neurons
4. associative neurons

MCQ 3: The fluid present between the meninges for protection and cushioning of the central nervous system is called

1. interstitial fluid
2. cerebrospinal fluid
3. cytoplasmic fluid
4. protoplasmic fluid

MCQ 4: The central nervous system, heart, skin and eye bones joints are damaged in

1. gonorrhea
2. syphilis
3. genital herpes
4. acquired immune deficiency syndrome (AIDS)

MCQ 5: The human central nervous system is made up of

1. 10 to 100 billion neurons
2. 100 to 1000 billion neurons
3. 10 to 100 million neurons
4. 100 to 1000 million neurons