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Class 12 Biology · Chapter 3 · Test 6

Nervous Disorders and Tests

35 MCQs

MCQs

35 questions · 30 min · 35 marks

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Sample questions

The first 5 of 35. Try each one, then tap to see the answer.

  1. Question 1

    The most common cause of dementia is:

    • AAlzheimer's disease
    • BBrain tumour
    • CStroke
    • DMeningitis
    Show answer

    Answer: A

    Alzheimer's disease is a progressive degenerative disorder that leads to dementia in older adults.

  2. Question 2

    Vascular disorders of the nervous system affect:

    • ANeurons only
    • BMyelin only
    • CBlood vessels of the brain and spinal cord
    • DMeninges only
    Show answer

    Answer: C

    Stroke and cerebral venous thrombosis are examples.

  3. Question 3

    A stroke is damage to brain cells due to:

    • AInterruption of blood supply
    • BExcess sleep
    • CInfection only
    • DLow temperature
    Show answer

    Answer: A

    It is caused by a blockage or rupture of a brain blood vessel.

  4. Question 4

    Which is a cause of stroke?

    • ALow cholesterol
    • BLow blood pressure
    • CHigh blood pressure
    • DUnderweight
    Show answer

    Answer: C

    Causes include high blood pressure smoking diabetes high cholesterol and obesity.

  5. Question 5

    Paralysis in stroke occurs on the:

    • ASame side as the infarct
    • BOpposite side of the body to the infarct
    • CBoth sides
    • DHead only
    Show answer

    Answer: B

    Paralysis is on the side opposite the cerebral infarction.

More tests in Human Nervous System

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