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Kerala DHSE Plus One Neural Control and Chemical Coordination — practice questions — page 2

Explore 50 free Neural Control and Chemical Coordination questions in Kerala DHSE Plus One 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 31–50 of 50.

Send each hormone homeRead the answer and worked solution →Match the disorder to its causeRead the answer and worked solution →Insulin against glucagonRead the answer and worked solution →Spot the false statementRead the answer and worked solution →Which organ secretes itRead the answer and worked solution →Hydra's nervous system is just a network of neurons. Insects are better organised because they have a:Read the answer and worked solution →The brain and spinal cord together form the:Read the answer and worked solution →A nerve fibre carrying an impulse from your skin to the CNS is:Read the answer and worked solution →Your heart rate and gut movement are controlled without thought by the:Read the answer and worked solution →A neuron has three major parts: cell body, axon and:Read the answer and worked solution →The bulb at the tip of an axon branch holding neurotransmitter vesicles is the:Read the answer and worked solution →The gaps between adjacent myelin sheaths are called:Read the answer and worked solution →At rest, the axon membrane is more permeable to:Read the answer and worked solution →The sodium-potassium pump moves 3 sodium ions out for every ___ potassium ions in.Read the answer and worked solution →The potential difference across a resting neuron membrane is the:Read the answer and worked solution →When the membrane's polarity flips at a stimulated site, it is said to be:Read the answer and worked solution →Junctions through which an impulse passes from one neuron to the next are:Read the answer and worked solution →Which type of synapse is faster but rare in humans?Read the answer and worked solution →The brain is protected inside the skull by three membranes called:Read the answer and worked solution →The two cerebral hemispheres are joined by a fibre tract called the:Read the answer and worked solution →

Worked practice questions

Send each hormone home

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Items
  1. Category
    Pancreas
    Item
    Insulin
  2. Category
    Pancreas
    Item
    Glucagon
  3. Category
    Thyroid
    Item
    Thyroxine
  4. Category
    Thyroid
    Item
    Thyrocalcitonin
  5. Category
    Adrenal
    Item
    Adrenaline
  6. Category
    Adrenal
    Item
    Aldosterone
  7. Category
    Pineal
    Item
    Melatonin
Categories
  1. Pancreas
  2. Thyroid
  3. Adrenal
  4. Pineal
Instructions
Send each hormone down the chute of the gland that makes it.
_Source: syllabus Biology, Ch 19 'Chemical Coordination and Integration'_

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Match the disorder to its cause

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Matching pairs
  1. Left
    Goitre
    Right
    Too little iodine in the diet
  2. Left
    Gigantism
    Right
    Too much growth hormone in youth
  3. Left
    Acromegaly
    Right
    Too much growth hormone in adults
Instructions
Tap a disorder on the left, then tap its cause on the right.
_Source: syllabus Biology, Ch 19 'Chemical Coordination and Integration'_

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Insulin against glucagon

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Categories
  1. Insulin
  2. Glucagon
Questions
  1. Answer
    Insulin
    Question
    Secreted by beta cells
  2. Answer
    Glucagon
    Question
    Secreted by alpha cells
  3. Answer
    Glucagon
    Question
    Raises blood sugar
  4. Answer
    Glucagon
    Question
    Acts on liver to free glucose
  5. Answer
    Insulin
    Question
    Its lack causes diabetes mellitus
  6. Answer
    Glucagon
    Question
    Stimulates glycogenolysis
Instructions
Pull each fact towards the hormone it belongs to.
_Source: syllabus Biology, Ch 19 'Chemical Coordination and Integration'_

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