STANDARD Zoology Neural Control And Coordination Class 11 Questions

The efferent process of neuron is known as

The hind brain consists of

Which of the following are the type of nerve fibres of PNS

Which one of the following pairs of structures distinguishes a nerve cell from other types of cell

Iter or cerebral aqueduct or aqueduct of sylvius

Which of the nerve fibres of PNS transmit regulatory impulses from CNS to the concerned peripheral tissues/ organs

Nissl's granules are absent in

Autonomic neural system does not relay impulses from the CNS to

The appetite and satiety centres in the brain of man are located in the region of the

The junction between the axon ending of one neuron and dendrites of next neuron is termed as

Nodes of Ranvier are found in

Short fibres which branch repeatedly, project out of cell body and contains Nissl's granule are called

An area in the brain which is associated with strong emotions is

During the propagation of a nerve impulse, the action potential results from the movement of

The chemical causing the transmission of nerve impulse across synapses is Or The neurotransmitter which communicates between two neurons or between a neuron and a muscle is

Nerve impulse initiates with the movements of or Neuron becomes an electrically charged cell by the diffusion of

In the following diagram showing axon terminal and synapse, A, B, C, D and E respectively represents

Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that

Which of the following statement are correct and incorrect 1. Synaptic cleft of neurons secrete adrenaline 2. Myelinated nerve fibres are enveloped with Schwann cells, which form a myelin sheath around the axon 3. Non-myelinated nerve fibre is enclosed by a Schwann cell that does not form a myelin sheath 4. Spinal cord and cranial nerves are made of nonmyelinated nerve fibres of the four statements

Which of the following is a wrong match

The fluid outside the axon contains

Nissl bodies are mainly composed of

The gap between membranes of pre and post synaptic neuron is called

Which of the following is not true regarding electrical synapse

Which of the following is not true regarding chemical synapses

Cerebral hemispheres are connected by a tract of nerve fibres called

The cerebral cortex contains

Association areas are present in