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MHT-CET Human Health and Disease — practice questions

Explore 90 free Human Health and Disease questions in MHT-CET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Human Health and Disease questions and exercises with answers

Showing questions 1–30 of 90.

Which Plasmodium species causes malignant malaria, the most serious form?Read the answer and worked solution →Pneumonia-causing bacteria mainly infect which part of the lungs?Read the answer and worked solution →Haemophilus influenzae is a bacterium linked with which human disease?Read the answer and worked solution →Which group of viruses causes the common cold?Read the answer and worked solution →Rhinoviruses infect the nose and airways but do not reach the:Read the answer and worked solution →Symptoms of the common cold usually last for about how long?Read the answer and worked solution →Which toxic substance, released when RBCs rupture, causes the chills and fever of malaria?Read the answer and worked solution →Inside the human body, where do malarial parasites multiply first?Read the answer and worked solution →In the mosquito, where are Plasmodium sporozoites stored?Read the answer and worked solution →Entamoeba histolytica, which causes amoebic dysentery, lives in the human:Read the answer and worked solution →Which insects act as mechanical carriers of the amoebiasis parasite?Read the answer and worked solution →Ascaris, an intestinal helminth, is commonly known as the:Read the answer and worked solution →Filarial worms usually live for years in which part of the body?Read the answer and worked solution →Which conditions help ringworm fungi thrive in skin folds such as the groin?Read the answer and worked solution →Which fish is introduced into ponds to feed on mosquito larvae?Read the answer and worked solution →Dengue and chikungunya are spread by which mosquito?Read the answer and worked solution →Stomach acid, saliva and tears belong to which innate immunity barrier?Read the answer and worked solution →The mucus coating lining the respiratory tract is which kind of barrier?Read the answer and worked solution →Interferons, which protect nearby non-infected cells, are secreted by:Read the answer and worked solution →Neutrophils, monocytes and natural killer cells form which innate barrier?Read the answer and worked solution →The highly intensified response on meeting the same pathogen a second time is called:Read the answer and worked solution →Antibody-mediated immunity is also called the:Read the answer and worked solution →Rejection of a transplanted organ is mainly caused by:Read the answer and worked solution →Which lymphocytes help B cells make antibodies but secrete none themselves?Read the answer and worked solution →Which type of immunity is slow and takes time to give its full response?Read the answer and worked solution →Injecting antitoxin into a tetanus patient is an example of:Read the answer and worked solution →Recombinant hepatitis B vaccine is produced using which organism?Read the answer and worked solution →Antibodies produced against allergens belong to which class?Read the answer and worked solution →Mast cells cause allergy symptoms by releasing:Read the answer and worked solution →Which group of drugs quickly reduces the symptoms of allergy?Read the answer and worked solution →

Worked practice questions

Which Plasmodium species causes malignant malaria, the most serious form?

  1. Plasmodium falciparum
  2. Plasmodium ovale
  3. Plasmodium malariae
  4. Plasmodium vivax
Show answer and solution

Correct answer: A. Plasmodium falciparum

Malignant malaria, which can even be fatal, is caused by Plasmodium falciparum.

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Pneumonia-causing bacteria mainly infect which part of the lungs?

  1. Alveoli
  2. Bronchi
  3. Pleura
  4. Trachea
Show answer and solution

Correct answer: A. Alveoli

In pneumonia the air-filled alveoli get infected and fill with fluid, which disturbs respiration.

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Haemophilus influenzae is a bacterium linked with which human disease?

  1. Pneumonia
  2. Typhoid
  3. Amoebiasis
  4. Filariasis
Show answer and solution

Correct answer: A. Pneumonia

Along with Streptococcus pneumoniae, Haemophilus influenzae causes pneumonia in humans.

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