Start learning →

NEET UG Unit 8E: Biology in Human Welfare & Disease Prevention — practice questions

Explore 12 free Unit 8E: Biology in Human Welfare & Disease Prevention questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.

Practise Unit 8E: Biology in Human Welfare & Disease Prevention with Quill →

Unit 8E: Biology in Human Welfare & Disease Prevention questions and exercises with answers

Showing questions 1–12 of 12.

The disease caused by Entamoeba histolytica in humans isRead the answer and worked solution →Filariasis (elephantiasis) is caused byRead the answer and worked solution →The Widal test is used to diagnose which disease?Read the answer and worked solution →Innate immunity is a type ofRead the answer and worked solution →The active form of AIDS causing virus HIV is aRead the answer and worked solution →The primary target of HIV in humans isRead the answer and worked solution →Which is NOT a preventive measure against the spread of HIV?Read the answer and worked solution →Benign tumours differ from malignant tumours in that benign tumoursRead the answer and worked solution →Which of the following is a known carcinogen leading to cancer?Read the answer and worked solution →Opioid drugs act primarily on which receptors of the central nervous system?Read the answer and worked solution →Vaccination works by producingRead the answer and worked solution →Which of the following pairs is NOT correctly matched?Read the answer and worked solution →

Worked practice questions

The disease caused by Entamoeba histolytica in humans is

  1. Ringworm caused by soil-borne fungi
  2. Malaria transmitted by female Anopheles
  3. Amoebic dysentery, also called amoebiasis
  4. Filariasis affecting the lymphatic vessels
Show answer and solution

Correct answer: C. Amoebic dysentery, also called amoebiasis

1. Entamoeba histolytica is a protozoan parasite of the large intestine. 2. It causes amoebiasis, also called amoebic dysentery. 3. Symptoms: constipation, abdominal pain, stools with mucus and blood clots. 4. Houseflies act as mechanical carriers from faeces to food. _Source: syllabus Biology, Ch 7 "Human Health and Disease", §7.1_

Open this question →

Filariasis (elephantiasis) is caused by

  1. Ascaris lumbricoides
  2. Trichophyton
  3. Plasmodium vivax
  4. Wuchereria bancrofti
Show answer and solution

Correct answer: D. Wuchereria bancrofti

1. syllabus names Wuchereria (W. bancrofti and W. malayi) as filarial worms. 2. They cause chronic inflammation of lymphatic vessels — filariasis / elephantiasis. 3. Genital organs are often affected, resulting in gross deformities. 4. Transmitted by the bite of a female mosquito vector. _Source: syllabus Biology, Ch 7 "Human Health and Disease", §7.1_

Open this question →

The Widal test is used to diagnose which disease?

  1. Typhoid
  2. Malaria
  3. Common cold
  4. AIDS
Show answer and solution

Correct answer: A. Typhoid

1. The Widal test detects antibodies against Salmonella antigens. 2. Positive Widal indicates typhoid infection. 3. Your syllabus mentions the historic case of Mary Mallon ("Typhoid Mary"), a chronic carrier. 4. Malaria diagnosis relies on blood smear microscopy; AIDS on antibody testing. _Source: syllabus Biology, Ch 7 "Human Health and Disease", §7.1_

Open this question →

How to practise

  1. Choose a Unit 8E: Biology in Human Welfare & Disease Prevention question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Unit 8E: Biology in Human Welfare & Disease Prevention practice for NEET UG. Read explanations as you go. No signup form needed to start.

Practise Unit 8E: Biology in Human Welfare & Disease Prevention →

More Biology topics

Genetics and EvolutionReproduction in Organisms & PlantsBiotechnology and ApplicationsBiodiversity and ConservationThe Living World & Biological ClassificationNeural Control and Chemical CoordinationPrinciples of Inheritance and VariationAnimal Kingdom