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प्रश्न
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
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उत्तर
Conditioned
संबंधित प्रश्न
How do we detect the smell of an agarbatti (incense stick)?
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sudden application of brakes of the cycle on sighting an obstacle in front
Explain the following term :
Conditioned reflex
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
What type of reflex is the following?
Knitting and swimming
Give an example for conditioned reflexes.
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
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.
