Advertisements
Advertisements
Question
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
Options
Simple reflex
Conditioned reflex
None of the above
Advertisements
Solution
Simple reflex
RELATED QUESTIONS
Name two parts of the body which contain receptors of chemical stimuli.
What is meant by receptors and effectors? Give two examples of each.
Name the function of cerebrum.
Multiple choice question. Tick (✓) the correct choice:
Reflex actions occur under the control of
- brain
- medulla oblongata
- spinal cord
- cerebrum
Define voluntary and reflex actions. Give examples of each.
In reflex action, the reflex arc is formed by ______
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.
 |
- Name the parts numbered 1-7.
- Name the phenomenon that the diagram depicts and define it.
- Give the technical term for the point of contact between two nerve cells.
- Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.
The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the following questions.
 |
- Name the phenomenon shown in the figure and define the same.
- Identify the parts labelled as 1 and 2. Write one functional difference between these two.
- Name the bony protective covering and the membranous protective covering of the spinal cord.
- Label the guidelines 3 and 4.
- How is the labelled part 3 different from part 4 with respect to its composition (part of neuron)?
- Give the technical term for the point of contact between the two nerve cells.
- Name the fluid filled inside the central canal of spinal cord.
- Name the term used for a small gap between two neurons.
- Give one example of a neurotransmitter.
- Draw a neat diagram of a nerve cell and label the parts: Perikaryon, Node of Ranvier, Myelin sheath and Axon terminals.
