Class 12 Biology Chapter 8 Human Health and Disease MCQ Questions with Answer

Class 12 Human Health and Disease MCQ are one of the best strategies to prepare for the CBSE Class 12 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQ on Human Health and Disease Class 12, which will help them all through their board test.

Class 12 Human Health and Disease MCQ Questions with Answers

Class 12 Biology MCQ with answers are given here to Chapter 8 Human Health and Disease MCQ. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 12 Biology syllabus. By Solving these Class 12 Human Health and Disease MCQ, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 12 Annual exam.

Learn Class 12 Human Health and Disease MCQ with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving MCQ on Human Health and Disease PDF with answers given below.

Question 1. Which of the following will be curable in next two decades?   
(a) Tuberculosis
(b) Cancer
(c) Poliomyelitis
(d) None of these

Question 2. Which of the following is based upon the principle of antigen-antibody interaction?   
(a) PCR
(b) ELISA
(c) r-DNA technology
(d) RNA

Question 3. The infectious stage of Plasmodium that enters the human body is   
(a) Trophozoites
(b) Sporozoites
(c) Female gametocytes
(d) Male gametocytes

Question 4. Which of the following is not an autoimmune disease? 
(a) Psoriasis
(b) Rheumatoid arthritis
(c) Alzheimer’s disease
(d) Vitiligo

Question 5. In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?
(a) Elephantiasis
(b) Ascariasis
(c) Ringworm disease
(d) Amoebiasis

Question 6. Infection of Ascaris usually occurs by
(a) Tse-tse fly
(b) mosquito bite
(c) drinking water containing eggs of Ascaris
(d) eating imperfectly cooked pork.

Question 7. Which of the following symptoms indicate red sickness?   
(a) Nausea and loss of hair
(b) Ulcerated skin, nausea and loss of hair
(c) Red and ulcerated skin
(d) Nausea and anaemia

Question 8. A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking 
(a) Amphetamine
(b) Marijuana
(c) Pethadine
(d) Valium

Question 9. Which part of poppy plant is used to obtain the drug “smack”?   
(a) Flowers
(b) Latex
(c) Roots
(d) Leaves

Question 10. Analgesic drugs   
(a) form tissues
(b) relieve pain
(c) relieve fatigue
(d) cause pain.

Question 11. Opium is obtained from   
(a) Oryza sativa
(b) Coffea arabica
(c) Thea sinensis
(d) Papaver somniferum

Question 12. Widal test is carried out to test   
(a) malaria
(b) diabetes mellitus
(c) HIV/AIDS
(d) typhoid fever.

Question 13. Saline solution is given to patients of cholera because   
(a) Na+ prevents water loss from body
(b) NaCl function as regulatory material
(c) NaCl produces energy
(d) NaCl is antibacterial.

Question 14. Common cold is not cured by antibiotics because it is   
(a) caused by a virus
(b) caused by a Gram-positive bacterium
(c) caused by a Gram-negative bacterium
(d) not an infectious disease.

Question 15. Grafted kidney may be rejected in a patient due to 
(a) passive immune response
(b) innate immune response
(c) humoral immune response
(d) cell-mediated immune response.

Question 16. Cirrhosis of liver is caused by the chronic intake of   
(a) opium
(b) alcohol
(c) tobacco (chewing)
(d) cocaine.

Question 17. Antigen is a substance which     
(a) lowers body temperature
(b) destroys harmful bacteria
(c) triggers the immune system
(d) is used as an antidote to poison

Question 18. Which of the following is a pair of viral diseases?
(a) Common cold, AIDS
(b) Dysentery, common cold
(c) Typhoid, tuberculosis
(d) Ringworm, AIDS

Question 19. An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as 
(a) histamine and dopamine
(b) histamine and kinins
(c) interferons and opsonin
(d) interferons and histones

Question 20. Which one of the following pairs of diseases is viral as well as transmitted by mosquitoes?   
(a) Elephantiasis and dengue
(b) Yellow fever and sleeping sickness
(c) Encephalitis and sleeping sickness
(d) Yellow fever and dengue

Whoever needs to take the CBSE Class 12 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 12 Biology Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Human Health and Disease MCQ are ready by the subject specialists themselves.

Question 21. If all ponds and puddles are destroyed, the organism likely to be destroyed is   
(a) Leishmania
(b) Trypanosoma
(c) Ascaris
(d) Plasmodium.

Question 22. Which one of the following techniques is safest for the detection of cancers?   
(a) Magnetic resonance imaging (MRI)
(b) Radiography (X-ray)
(c) Computed tomography (CT)
(d) Histopathological studies

Question 23. HIV has a protein coat and genetic material 
(a) ss RNA
(b) ds RNA
(c) ss DNA
(d) ds DNA

Question 24. Malaria fever coincides with liberation of   
(a) cryptomerozoties
(b) metacryptomerozoites
(c) merozoites
(d) trophozoites.

Question 25. African sleeping sickness is due to 
(a) Plasmodium vivax transmitted by tse-tse fly
(b) Trypanosoma lewsii transmitted by bed bug
(c) Trypanosoma gambiense transmitted by Glossina palpalis
(d) Entamoeba gingivalis spread by housefly.

Question 26. Which of the following immune responses is responsible for rejection of kidney graft? 
(a) Cell-mediated immune response
(b) Auto-immune response
(c) Humoral immune response
(d) Inflammatory immune response

Question 27. When children play bare footed in pools of dirty water and flood water, they may suffer from diseases like   
(a) leptospirosis and bilharizia
(b) malaria, amoebic dysentery and leptospirosis
(c) bilharizia, infective hepatitis and diarrhoea
(d) guinea worm infection, elephantiasis and amoebic dysentery

Question 28. Which one of the following statements is correct?   
(a) Benign tumours show the property of metastasis.
(b) Heroin accelerates body functions.
(c) Malignant tumours may exhibit metastasis.
(d) Patients who have undergone surgery are given cannabinoids to relieve pain.

Question 29. If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?       
(a) Haemocytes
(b) Serum globulins
(c) Fibrinogen in plasma
(d) Serum albumins

Question 30. Which malarial parasite has longest incubation period?   
(a) Plasmodium vivax
(b) Plasmodium falciparum
(c) Plasmodium malariae
(d) Plasmodium ovale

Question 31. Short-lived immunity acquired from mother to fetus across placenta or through mother’s milk to the infant is categorised as   
(a) active immunity
(b) passive immunity
(c) cellular immunity
(d) innate non-specific immunity.

Question 32. If a person shows production of interferons in his body, the chances are that he has got an infection of 
(a) tetanus
(b) malaria
(c) typhoid
(d) measles.

Question 33. A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking 
(a) Amphetamine
(b) Marijuana
(c) Pethadine
(d) Valium

Question 34. An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as   
(a) histamine and dopamine
(b) histamine and kinins
(c) interferons and opsonin
(d) interferons and histones

Question 35. L.S.D. is 
(a) hallucinogenic
(b) sedative
(c) stimulant
(d) tranquilliser.

Question 36. Antigens are present 
(a) inside the cytoplasm
(b) on nuclear membrane
(c) inside the nucleus
(d) on cell surface.

Question 37. Amoebiasis is caused by   
(a) Entamoeba histolytica
(b) Taenia solium
(c) Plasmodium vivax
(d) E. coli

Question 38. Which of the following pairs is not correctly matched ?   
(a) Cholera – Vibrio cholerae
(b) German measles – Rubella virus
(c) Whooping cough – Bordetella pertussis
(d) Tetanus – Pasteurella pestis

Question 39. Nicotine acts as a stimulant, because it mimics the effect of 
(a) testosterone
(b) dopamine
(c) thyroxine
(d) acetylcholine.

Question 40. Which one of the following statements is correct with respect to AIDS?   
(a) The HIV can be transmitted through eating food together with an infected person.
(b) Drug addicts are least susceptible to HIV infection.
(c) AIDS patients are being fully cured cent per cent with proper care and nutrition.
(d) The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.

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