1. Select the incorrect statement:
a) Coordination is the process through which two or more organ interact and complement the
function of one another.
b) Neural system provides on organized network of point to point connection for quick
coordination.
c) Neural organization is complex in lower invertebrates.
d) Vertebrates have more developed neural system.
Explanation: "Neural organization is complex in lower invertebrates". This is incorrect statement.
2. Identify A, B, C, D and E:
a) A–Central Nervous System (CNS), B–Peripheral Nervous System (PNS), C–Spinal cord,
D–Sympathetic Neural System, E–Parasympathetic Neural System
b) A–Peripheral Nervous System (PNS), B–Parasympathetic Neural System, C–Central
Nervous System (CNS), D–Sympathetic Neural System, E–Spinal cord
c) A–Parasympathetic Neural System, B–Spinal cord, C–Central Nervous System (CNS),
D–Sympathetic Neural System, E–Peripheral Nervous System (PNS)
d) A–Central Nervous System (CNS), B–Spinal cord, C–Peripheral Nervous System (PNS),
D–Sympathetic Neural System, E–Parasympathetic Neural System
Explanation: A–Central Nervous System (CNS), B–Peripheral Nervous System (PNS), C–Spinal cord, D–Sympathetic Neural System, E–Parasympathetic Neural System
3. Somatic neural system transmits impulse to
a) Skeletal muscles
b) Involuntary organs
c) Smooth muscles
d) All of these
Explanation: Skeletal muscles
4. Which of the following lacks a neural system?
a) Hydra
b) Silver fish
c) Spongia (Sponges)
d) Ophiura
Explanation: Spongia (Sponges)
5. Nervous system of hydra is composed of
a) Ganglia chain
b) Vertical ganglion chain interconnected by commissure
c) Network of nerves
d) Brain
Explanation: Nervous system of hydra is composed of network of nerves.
6. Nissl’s granules are found in all except
a) Cyton
b) Dendrites
c) Axon
d) Cell body
Explanation: Axon
7. Which of the following system relays impulse from CNS to skeletal muscles?
a) Somatic neural system
b) Sympathetic neural system
c) Parasympathetic neural system
d) Autonomic neural system
Explanation: Somatic neural system
8. Dendrites transmit impulse ____ cell body and axon transmits impulse ____ cell body.
a) towards, away from
b) away, towards
c) towards, towards
d) away, away
Explanation: Dendrites transmit impulse towards cell body and axon transmits impulse away from cell body.
9. Bipolar axons are found in
a) Retina of eye
b) Cerebral cortex
c) Mesencephalon
d) Embryonic stage
Explanation: Retina of eye
10. Unipolar axons are found in
a) Respiratory epithelium
b) Retina
c) Embryo
d) Cerebral cortex
Explanation: Unipolar axons are found in Embryo.