Page 2 - 2.3-Home Assignment (Obj & Subj)-Animal Nervous System, Reflex Action

8. Neuron acquire information at the dendritic tip which sets off a chemical reaction in
nerve cell that creates an/a______________.
a) Chemical impulse
b) Electrical impulse
c) Nervous system
d) Synapse

9. Suresh observed nerve cell under microscope and made the following sketch:
The mistake in his drawing is that cell body is shown to have no
a) Dendrites
b) Axon
c) Nucleus
d) All of these.

10. Junction between neuron and muscles is called
a) Cell junction
b) Neuro muscular junction
c) Neural joints
d) Synapse

Subjective

Q. Questions Marks Level
NO
1. Name the two organ systems of the human body which help in 1 E
control and coordination.
2. Name the sensory receptors found in the nose and on the 1 E
tongue.
3. a) Draw the structure of neuron and label the cell body and axon. 3 Av
b) Name the part of neuron –
(i) (i) Where information is acquired
(ii) Through which information travels as an electrical
impulse from the dendrite to the cell body and then
along the axon to its end.
(iii) Where this impulse must be converted into a chemical
signal for onward transmission?
4. 3 Av

a) Label the two parts indicated by question marks and labelled