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CBSE Class 11 (Science) Neural Control and Chemical Coordination — practice questions — page 2

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 31–60 of 172.

Breathing, cardiovascular reflexes and gastric secretion are controlled by the:Read the answer and worked solution →Pulling your hand off a hot pan without thinking is a:Read the answer and worked solution →In a reflex arc the afferent neuron enters the spinal cord through the:Read the answer and worked solution →Smell receptors in the nose are called:Read the answer and worked solution →Catch the forebrain partsRead the answer and worked solution →Pop the neuron partsRead the answer and worked solution →Steer into the neural laneRead the answer and worked solution →Slice the brain wordsRead the answer and worked solution →Forebrain or hindbrainRead the answer and worked solution →Which brain part does itRead the answer and worked solution →One word is wrongRead the answer and worked solution →Neural bingoRead the answer and worked solution →Why are endocrine glands called ductless glands?Read the answer and worked solution →Under the current definition, hormones are best described as:Read the answer and worked solution →Which kind of animals have very simple endocrine systems with few hormones?Read the answer and worked solution →The hypothalamus forms the basal part of which brain region?Read the answer and worked solution →Hypothalamic hormones that stimulate pituitary secretion are called:Read the answer and worked solution →Which hypothalamic hormone inhibits release of growth hormone?Read the answer and worked solution →GnRH from the hypothalamus acts by stimulating the pituitary to release:Read the answer and worked solution →Hypothalamic hormones reach the anterior pituitary through which route?Read the answer and worked solution →Which part of the pituitary is under direct neural regulation of the hypothalamus?Read the answer and worked solution →The adenohypophysis consists of which two portions?Read the answer and worked solution →The pars distalis is commonly known as the:Read the answer and worked solution →Which pituitary hormone is secreted by the pars intermedia?Read the answer and worked solution →Which two hormones are stored and released by the neurohypophysis?Read the answer and worked solution →Over-secretion of growth hormone in a child leads to:Read the answer and worked solution →Low secretion of growth hormone results in:Read the answer and worked solution →Excess growth hormone in middle-aged adults causes severe facial disfigurement called:Read the answer and worked solution →Prolactin regulates growth of the mammary glands and:Read the answer and worked solution →TSH from the pituitary stimulates which gland?Read the answer and worked solution →

Worked practice questions

Breathing, cardiovascular reflexes and gastric secretion are controlled by the:

  1. Medulla
  2. Cerebrum
  3. Thalamus
  4. Cerebellum
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Correct answer: A. Medulla

1. This hindbrain part joins the spinal cord. 2. It houses vital involuntary centres. 3. It is the medulla oblongata. _Source: syllabus Biology, Chapter 21, Neural Control and Coordination._

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Pulling your hand off a hot pan without thinking is a:

  1. Hormonal response
  2. Reflex action
  3. Voluntary act
  4. Learned habit
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Correct answer: B. Reflex action

1. The response is involuntary and instant. 2. The spinal cord handles it without conscious thought. 3. It is a reflex action. _Source: syllabus Biology, Chapter 21, Neural Control and Coordination._

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In a reflex arc the afferent neuron enters the spinal cord through the:

  1. Corpus callosum
  2. Cerebral aqueduct
  3. Dorsal nerve root
  4. Ventral nerve root
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Correct answer: C. Dorsal nerve root

1. The afferent neuron brings the sensory signal in. 2. It enters the cord on the back side. 3. That entry is the dorsal nerve root. _Source: syllabus Biology, Chapter 21, Neural Control and Coordination._

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