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CBSE Class 11 (Science) Neural Control and Chemical Coordination — practice questions — page 6

Explore 172 free Neural Control and Chemical Coordination questions in CBSE Class 11 (Science) Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Neural Control and Chemical Coordination questions and exercises with answers

Showing questions 151–172 of 172.

Where do released neurotransmitters bind at a chemical synapse?Read the answer and worked solution →The new potential produced in a post-synaptic neuron can be which kind?Read the answer and worked solution →Which meningeal layer is in contact with the brain tissue?Read the answer and worked solution →Which tract of fibres connects the two cerebral hemispheres?Read the answer and worked solution →Which regions of the cortex handle memory and communication?Read the answer and worked solution →What gives the inner part of the cerebral hemisphere a white look?Read the answer and worked solution →Which brain part is a major coordinating centre for sensory and motor signalling?Read the answer and worked solution →Which structures belong to the limbic system?Read the answer and worked solution →The limbic system with the hypothalamus regulates which function?Read the answer and worked solution →Between which structures is the midbrain located?Read the answer and worked solution →Which canal passes through the midbrain?Read the answer and worked solution →The dorsal midbrain has four round swellings called what?Read the answer and worked solution →Which three structures make up the hindbrain?Read the answer and worked solution →Which hindbrain part has fibre tracts interconnecting different brain regions?Read the answer and worked solution →Why is the surface of the cerebellum highly convoluted?Read the answer and worked solution →Which three regions together make up the brain stem?Read the answer and worked solution →Nissl bodies in neurons are made up of which organelle and its ribosomes?Read the answer and worked solution →Which type of neuron is found mainly in the olfactory epithelium and retina?Read the answer and worked solution →Match each neuroanatomical part of the brain with its primary control function:Read the answer and worked solution →Match each phase of nerve impulse transmission with its ionic mechanism:Read the answer and worked solution →Match each sensory organ structure with its sensory function:Read the answer and worked solution →Match each cranial reflex or component with its property:Read the answer and worked solution →

Worked practice questions

Where do released neurotransmitters bind at a chemical synapse?

  1. Post-synaptic receptors
  2. Pre-synaptic nucleus
  3. Axonal myelin sheath
  4. Nissl granule clusters
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Correct answer: A. Post-synaptic receptors

Neurotransmitters bind specific receptors on the post-synaptic membrane, opening ion channels.

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The new potential produced in a post-synaptic neuron can be which kind?

  1. Always excitatory
  2. Excitatory/inhibitory
  3. Always inhibitory
  4. Always unchanged
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Correct answer: B. Excitatory/inhibitory

Depending on the neurotransmitter and receptor, the post-synaptic potential may be excitatory or inhibitory.

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Which meningeal layer is in contact with the brain tissue?

  1. Dura mater
  2. Arachnoid
  3. Pia mater
  4. Corpus callosum
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Correct answer: C. Pia mater

The inner meningeal layer touching the brain is the pia mater.

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