Olympiad – Class IX – Science - Bio - Health and Diseases

Buy Olympiad -IX Standard Practice test pack

Question - 1

A person is suffering from loss of appetite, nausea, mild fever and dark coloured urine. The patient is suffering from

  • A Malaria.
  • B Cholera.
  • C Jaundice.
  • D Typhoid.

Question - 2

Loss of body weight, persistent cough with blood stained yellowish green sputum are the symptoms of

  • A Tuberculosis.
  • B Typhoid.
  • C Hepatitis-B.
  • D Chlorea.

Question - 3

Which antibiotic is extracted from fungi?

  • A Streptomycin
  • B Penicillin
  • C Chloromycetin
  • D Framycetin

Question - 4

Which of the following is not a symptom of tuberculosis?

  • A Increase in body weight and tiredness.
  • B More than two weeks of coughing bouts.
  • C Thick yellowish green sputum produced.
  • D An X-ray shows dark spots in the lungs.

Question - 5

Which substance is/are produced within an organism to prevent the spread of microorganism?

  • A Antiseptics
  • B Antibiotics
  • C Antibodies
  • D all of these

Question - 6

Which of these diseases is spread when the patient coughs?

  • A AIDS, TB and hepatitis
  • B TB, influenza and cholera
  • C TB and influenza
  • D TB and hepatitis

Question - 7

Which of the following pairs of microorga-nisms and diseases is wrongly matched?

  • A Bacteria - Malaria
  • B Fungus - Athlete's foot
  • C Protozoa - Sleeping sickness
  • D Virus- Tobacco mosaic disease

Question - 8

Which of the following is an air-borne disease?

  • A Tuberculosis
  • B Malaria
  • C Typhoid
  • D Cholera

Question - 9

Which of the following is NOT a natural way of destroying bacterial infection?

  • A Antibodies produced in the body
  • B Production of HCI in the stomach
  • C Antibiotics taken orally or by injection.
  • D Phagocytosis by WBC's

Question - 10

Why are houseflies NOT considered as biological vectors?

  • A They do not spread diseases.
  • B They do not transmit disease directly.
  • C They are parasites and not vectors.
  • D All of these