Diseases and Disorders

Biology ⇒ Human Biology

Diseases and Disorders starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Diseases and Disorders. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 12

A 17-year-old presents with fever, sore throat, and swollen lymph nodes. Laboratory tests reveal the presence of Epstein-Barr virus. What disease is the patient most likely suffering from?

Describe how antibiotic resistance develops in bacterial populations.

Describe the difference between an acute and a chronic disease, giving one example of each.

Describe the process by which vaccines provide immunity against specific diseases.

Describe the role of T-cells in the immune response to infectious diseases.

Explain how vaccination helps prevent infectious diseases.

Explain the difference between communicable and non-communicable diseases, providing one example of each.

Explain the term 'incubation period' in the context of infectious diseases.

Explain why antibiotics are not effective against the common cold.

A 45-year-old individual has a family history of Huntington's disease. Explain the genetic basis of this disorder and the pattern of inheritance.

A patient presents with muscle weakness, difficulty swallowing, and drooping eyelids. Laboratory tests reveal the presence of antibodies against acetylcholine receptors at the neuromuscular junction. What is the most likely diagnosis?

Describe how the structure of the influenza virus enables it to evade the immune system and cause recurrent infections.

Describe the process of antigenic shift in influenza viruses and its significance in the emergence of pandemics.

Explain the molecular mechanism by which mutations in tumor suppressor genes can lead to the development of cancer.

Explain the role of proto-oncogenes and oncogenes in the development of cancer.