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प्रश्न
Define stimulus.
Define the following term:
Stimulus
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उत्तर
A stimulus is an agent or a sudden change in the external or internal environment that changes an organism or body parts. e.g., light, sound, heat, pain, hunger.
संबंधित प्रश्न
The human brain can be broadly divided into three regions. name these three regions.
Put a tick mark (✓) against the correct alternative in the following statement:
The structural and functional unit of nervous system is a
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Mention if the following statement is true (T) or false (F) Give reason.
Flavour and taste are one and the same thing.
Match the terms of column I with those of column ll
| Column l | Column ll |
| (i) Lens | (a) Adjustment of light rays |
| (ii) Lachrymal gland | (b) Vision |
| (iii) Olfactory epithelium | (c) Secretion of tear |
| (iv) Cochlea | (d) Balance of the body |
| (v) Semicircular canal | (e) Hearing |
| (vi) Eyes | (f) Smell |
Name the parts (a) to (e) in the following diagram.
What is the term given to the sequence of events occurring in the diagram?
Choose the Odd One Out:
Choose the Odd One Out:
Long answer question
Explain the Reflex Pathway with the help of a neat labelled diagram.
How many spinal nerves are there, and to which groups they belong?
