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NEET • BIOLOGY • HUMAN HEALTH AND DISEASES
Human health and diseases practice · Easy
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Showing 1-30 of 76 questions
1
Easy
1 of 76
Understanding
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Which of the following normally confined to their original location and do not spread to other parts of the body?
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Correct option: C
Benign tumour
Option C (Benign tumour) is correct because benign tumors are characterized by their confinement to the original location and lack of spread to other parts of the body.
2
Easy
2 of 76
Remembering
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An exaggerated response to some foreign substances when they gain entry into the body is called
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Correct option: A
Allergy or hypersensitivity
Option A (Allergy or hypersensitivity) is correct because it accurately describes an exaggerated immune response to foreign substances.
3
Easy
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Understanding
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Amoebiasis is prevented by
View answer and explanation
Correct option: D
Drinking boiled water
Option D (Drinking boiled water) is correct because amoebiasis is caused by Entamoeba histolytica, which can be present in contaminated water, and boiling water kills the cysts.
4
Easy
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Understanding
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Antibody production is controlled by
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Correct option: C
Both (1) and (2)
Option A (B-lymphocytes) is correct because B-lymphocytes are primarily responsible for producing antibodies.
5
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5 of 76
Remembering
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Under ‘innate immunity’ the mucus coating of respiratory, gastrointestinal and urinogenital lining falls under
View answer and explanation
Correct option: C
Physical barriers
Option C (Physical barriers) is correct because the mucus coating acts as a physical barrier preventing pathogens from entering the body.
6
Easy
6 of 76
Remembering
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Blood circulation was discovered by
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Correct option: A
William Harvey
Option A is correct. William Harvey discovered blood circulation.
7
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Antibody is connected with
View answer and explanation
Correct option: C
Immune system
Option C (Immune system) is correct because antibodies are a key component of the immune system, responsible for recognizing and neutralizing foreign invaders.
8
Easy
8 of 76
Understanding
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Human health can be maintained by
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Correct option: D
All of these
The correct answer is D (All of these) because maintaining human health requires a combination of a balanced diet, personal hygiene, and regular exercise.
9
Easy
9 of 76
Understanding
+4 | -1
Graft transplantation to save certain patients fails due to the rejection of such organs by the patient. Which type of immune response is responsible for such type of rejection?
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Correct option: A
Cell-mediated immune response
Option A (Cell-mediated immune response) is correct because graft rejection is primarily mediated by T cells, which are part of the cell-mediated immune response.
10
Easy
10 of 76
Understanding
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Cell division or mitosis is normal process in a living cell, but sudden and abnormal mitosis in an organ will frequently result in
View answer and explanation
Correct option: B
Cancer
Option B (Cancer) is correct because uncontrolled and abnormal mitosis is a hallmark of cancer development.
11
Easy
11 of 76
Remembering
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Name the vaccine which is produced by using recombinant DNA technology
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Correct option: C
Hepatitis B
Option C (Hepatitis B) is correct because the Hepatitis B vaccine is a recombinant vaccine produced using yeast.
12
Easy
12 of 76
Remembering
+4 | -1
Cancer of the internal organs is detected by
View answer and explanation
Correct option: D
All of the above
Option D (All of the above) is correct because radiography, computed tomography, and magnetic resonance imaging are all used to detect cancer in internal organs.
13
Easy
13 of 76
Remembering
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Artificial immunity can be acquired by:
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Correct option: B
Vaccination
Option B (Vaccination) is correct because vaccination introduces antigens to stimulate an immune response and provide artificial immunity.
14
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Understanding
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Cancerous cells spread through
View answer and explanation
Correct option: D
All of the above
The correct answer is D (All of the above) because cancerous cells can spread through the lymph system, blood stream, and by direct extension through secondary growths.
15
Easy
15 of 76
Remembering
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The antibody that generally involves in allergic response is
View answer and explanation
Correct option: C
IgE
Option C (IgE) is correct because IgE antibodies are primarily involved in allergic responses by binding to mast cells and basophils, leading to the release of histamine and other inflammatory mediators.
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16
Easy
16 of 76
Remembering
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What is the main lymphoid organ where all blood cells including lymphocytes are produced?
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Correct option: A
Bone marrow
Option A (Bone marrow) is correct because bone marrow is the primary lymphoid organ responsible for the production of all blood cells, including lymphocytes.
17
Easy
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Remembering
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Which of the following is not a part of secondary lymphatic system?
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Correct option: D
Thymus
Option D (Thymus) is correct because the thymus is a primary lymphoid organ, while the spleen, lymph nodes, and tonsils are secondary lymphoid organs.
18
Easy
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Understanding
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Antivenom produced at ‘Hoffkine Corporation’, Parel, Mumbai is effective against snake bites and well demonstrated that it saved thousands of people every year. The intravenous administration of the antivenom comes under
View answer and explanation
Correct option: D
Artificial passive acquired immunity
Option D (Artificial passive acquired immunity) is correct because antivenom provides pre-formed antibodies, offering immediate but temporary protection.
19
Easy
19 of 76
Analyzing
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Identify the odd one from the diseases given below
View answer and explanation
Correct option: D
Ringworm
Option D is correct because Ringworm is a fungal infection, while the others are vector-borne diseases.
20
Easy
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Understanding
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Infection of pneumonia occurs due to
View answer and explanation
Correct option: D
All of the above
Option D (All of the above) is correct because pneumonia can spread through droplets, inhalation, and contaminated objects.
21
Easy
21 of 76
Remembering
+4 | -1
The agents which cause allergy are known as:
View answer and explanation
Correct option: A
Allergens
Option A (Allergens) is correct because allergens are the specific agents that trigger allergic reactions.
22
Easy
22 of 76
Remembering
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Cocaine is obtained from
View answer and explanation
Correct option: A
Erythroxylum coca
Option A (Erythroxylum coca) is correct because cocaine is extracted from the leaves of the Erythroxylum coca plant.
23
Easy
23 of 76
Remembering
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In which of the following diseases, Aedes mosquito acts as vector/carrier?
View answer and explanation
Correct option: B
Dengue and chikungunya
Option B (Dengue and chikungunya) is correct because Aedes mosquitoes are the primary vectors for both dengue and chikungunya viruses.
24
Easy
24 of 76
Remembering
+4 | -1
Humoral immunity is provided by
View answer and explanation
Correct option: D
Antibodies
Option D (Antibodies) is correct because humoral immunity is mediated by antibodies produced by B lymphocytes.
25
Easy
25 of 76
Analyzing
+4 | -1
Choose the odd one w.r.t physical carcinogens
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Correct option: A
Tobacco smoke
Option A (Tobacco smoke) is correct because it is a chemical carcinogen, while Gamma rays, UV rays, and X-rays are all forms of physical (radiation) carcinogens.
26
Easy
26 of 76
Remembering
+4 | -1
Among the non infectious diseases, the one which causes major deaths is
View answer and explanation
Correct option: C
Cancer
Option C (Cancer) is correct because cancer is a leading cause of death among non-infectious diseases globally.
27
Easy
27 of 76
Remembering
+4 | -1
Most cancers are treated by the combination of
a) Radiotherapy b) Chemotherapy c) Surgery
Choose the correct option
a) Radiotherapy b) Chemotherapy c) Surgery
Choose the correct option
View answer and explanation
Correct option: D
a,b and c
Option D (a,b and c) is correct because most cancers are treated by a combination of radiotherapy, chemotherapy, and surgery.
28
Easy
28 of 76
Remembering
+4 | -1
The helminthic parasite showing the symptom of ‘anaemia’ is
View answer and explanation
Correct option: A
Ascaris lumbricoides
Option A (Ascaris lumbricoides) is correct because Ascaris worms reside in the small intestine and can cause anemia by interfering with nutrient absorption and sometimes by directly consuming blood.
29
Easy
29 of 76
Remembering
+4 | -1
After drinking alcohol, a person walks clumsily because, the alcohol affects his
View answer and explanation
Correct option: A
Cerebellum
Option A (Cerebellum) is correct because the cerebellum is responsible for coordination and balance, which are impaired by alcohol consumption.
30
Easy
30 of 76
Understanding
+4 | -1
Which one of the following statements is correct?
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Correct option: D
Malignant tumours may exhibit metastasis
Option D (Malignant tumours may exhibit metastasis) is correct because metastasis, the spread of cancer cells to other parts of the body, is a characteristic of malignant tumors.
Revision notes and key takeaways
Review HUMAN HEALTH AND DISEASES in your textbook or class notes, then use this set to check your understanding.
Key Takeaways
- ✓ This set contains 76 single-correct-answer MCQs on HUMAN HEALTH AND DISEASES.
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