Human Health and Diseases · Biology · NEET

Start Practice

MCQ (Single Correct Answer)

1

The following are the stages of life cycle of Plasmodium. Arrange the stages in the proper order.

A. The parasites reproduce asexually in RBCs, bursting the cells.

B. The parasites reproduce asexually in liver cells, bursting the cells and releasing into blood.

C. Gametocytes develop in RBCs.

D. Sporozoites reach the liver through the blood.

E. Female mosquito injects sporozoites into humans during bite.

Choose the correct answer from the options given below:

NEET 2026
2

$$ \text { Match List I with List II: } $$

$$
\text { List I (Drug) }
$$
$$
\text { List II (Effect) }
$$
A. Nicotine I. Causes sense of euphoria and increased energy
B. Morphine II. Stimulates adrenal gland to release catecholamines into blood circulation
C. Heroin III. Effective sedative and painkiller
D. Cocaine IV. A depressant; slows down body function
Choose the correct answer from the options given below:
NEET 2026
3

Neoplastic characteristics of cells refer to:

A. A mass of proliferating cell

B. Rapid growth of cells

C. Invasion and damage to the surrounding tissue

D. Those confined to original location

Choose the correct answer from the options given below:

NEET 2025
4

Which are correct:

A. Computed tomography and magnetic resonance imaging detect cancers of internal organs.

B. Chemotherapeutics drugs are used to kill non-cancerous cells.

C. $\alpha$-interferon activate the cancer patients' immune system and helps in destroying the tumour.

D. Chemotherapeutic drugs are biological response modifiers.

E. In the case of leukaemia blood cell counts are decreased.

Choose the correct answer from the options given below:

NEET 2025
5

After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like

A. thymus

B. bone marrow

C. spleen

D. Iymph nodes

E. Peyer's patches

Choose the correct answer from the options given below

NEET 2025
6

Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?

NEET 2025
7

Identify the statement that is NOT correct.

NEET 2025
8

Match List-I with List-II

List - I
List - II
A Emphysema I Rapid spasms in muscle due to low $\mathrm{Ca}^{++}$in body fluid
B Angina Pectoris II Damaged alveolar walls and decreased respiratory surface
C Glomerulonephritis III Acute chest pain when not enough oxygen is reaching to heart muscle
D Tetany IV Inflammation of glomeruli of kidney

Choose the correct answer from the options given below :

NEET 2025
9

Given below are two statements:

Statement I: Antibiotics are chemicals produced by microbes that kill other microbes.

Statement II: Antibodies are chemicals formed in body that eliminate microbes.

In the light of the above statements, choose the most appropriate answer from the options given below.

NEET 2024 (Re-Examination)
10

Math List-I with List-II:

List - I List - II
(A) Malignant tumors (I) Destroy tumors
(B) MALT (II) AIDS
(C) NACO (III) Metastasis
(D) $$\alpha$$-Interferons (IV) Lymphoid tissue

Choose the correct answer from the options given below:

NEET 2024 (Re-Examination)
11

Match List I with List II :

List - I List - II
(A) B-Lymphocytes (I) Passive immunity
(B) Interferons (II) Cell mediated immunity
(C) T-Lymphocytes (III) Produce an army of proteins in response to pathogens
(D) Colostrum (IV) Innate immunity

Choose the correct answer from the options given below :

NEET 2024 (Re-Examination)
12

Which of the following are Autoimmune disorders?

A. Myasthenia gravis

B. Rheumatoid arthritis

C. Gout

D. Muscular dystrophy

E. Systemic Lupus Erythematosus (SLE)

Choose the most appropriate answer from the options given below:

NEET 2024
13

Match List I with List II:

List - I List - II
A. Typhoid I. Fungus
B. Leishmaniasis II. Nematode
C. Ringworm III. Protozoa
D. Filariasis IV. Bacteria

Choose the correct answer from the options given below:

NEET 2024
14

Match List I with List II:

List - I List - II
A. Cocaine I. Effective sedative in surgery
B. Heroin II. Cannabis sativa
C. Morphine III. Erythroxylum
D. Marijuana IV. Papaver somniferum

Choose the correct answer from the options given below:

NEET 2024
15

Match List I with List II :

List - I List - II
A. Common cold I. Plasmodium
B. Haemozoin II. Typhoid
C. Widal test III. Rhinoviruses
D. Allergy IV. Dust mites

Choose the correct answer from the options given below :

NEET 2024
16

Given below are two statements :

Statement I : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.

Statement II : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.

In the light of above statements, choose the most appropriate answer from the options given below

NEET 2024
17

Which of the following sexually transmitted infections are completely curable ?

NEET 2023 Manipur
18

Match List - I with List - II.

List - I List - II
(A) Typhoid (I) Protozoan
(B) Elephantiasis (II) Salmonella
(C) Ringworm (III) Aschelminthes
(D) Malaria (IV) Microsporum

Choose the correct answer from the options given below :

NEET 2023 Manipur
19

Match List-I with List-II.

List - I List - II
(A) Cytokine barriers (I) Mucus coating of respiratory tract
(B) Cellular barriers (II) Interferons
(C) Physiological barriers (III) Neutrophils and Macrophages
(D) Physical barriers (IV) Tears and Saliva

Choose the correct answer from the options given below :

NEET 2023 Manipur
20

Which one of the following common sexually transmitted diseases is completely curable when detected early and treated properly?

NEET 2023
21

Which one of the following techniques does not serve the purpose of early diagnosis of a disease for its early treatment?

NEET 2023
22

In which blood corpuscles, the HIV undergoes replication and produces progeny viruses?

NEET 2023
23

Match List I with List II.

List I List II
(A) Heroin (I) Effect on cardiovascular system
(B) Marijuana (II) Slow down body function
(C) Cocaine (III) Painkiller
(D) Morphine (IV) Interfere with transport of dopamine

Choose the correct answer from the options given below:

NEET 2023
24

Match List I with List II.

List I List II
(A) Ringworm (I) Haemophilus influenzae
(B) Filariasis (II) Trichophyton
(C) Malaria (III) Wuchereria bancrofti
(D) Pneumonia (IV) Plasmodium vivax

Choose the correct answer from the options given below:

NEET 2023
25

Which of the following reasons is mainly responsible for graft rejection in transplantation of organs?

NEET 2022 Phase 2
26

Match List - I with List - II :

List - I List - II
(a) Cellular barrier (i) Interferons
(b) Cytokine barrier (ii) Mucus
(c) Physical barrier (iii) Neutrophils
(d) Physiological barrier (iv) HCl in gastric juice

Choose the correct answer from the options given below :

NEET 2022 Phase 2
27

Given below are two statements:

Statement I : Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.

Statement II : Rheumatoid arthritis is a condition where body does not attack self cells.

In the light of the above statements, choose the most appropriate answer from the options given below :

NEET 2022 Phase 1
28

Select the incorrect statement with respect to acquired immunity.

NEET 2022 Phase 1
29
Identify the incorrect pair
NEET 2021
30
For effective treatment of the disease, early diagnosis and understanding its pathophysiology is very important. Which of the following molecular diagnostic techniques is very useful for early detection?
NEET 2021
31
Match List-I with List-II

List-I List-II
(a) Filariasis (i) Haemophilus influenzae
(b) Amoebiasis (ii) Trichophyton
(c) Pneumonia (iii) Wuchereria bancrofti
(d) Ringworm (iv) Entamoeba histolytica


Choose the correct answer from the options given below
NEET 2021
32
The Adenosine deaminase deficiency results into
NEET 2021
33
Match the following diseases with the causative organism and select the correct option
Column-I Column-II
(a) Typhoid (i) Wuchereria
(b) Pneumonia (ii) Plasmodium
(c) Filariasis (iii) Salmonella
(d) Malaria (iv) Haemophilus
NEET 2020 Phase 1
34
The infectious stage of Plasmodium that enters the human body is
NEET 2020 Phase 1
35
Identify the wrong statement with reference to immunity
NEET 2020 Phase 1
36
Which of the following sexually transmitted diseases is not completely curable ?
NEET 2019
37
Drug called ‘Heroin’ is synthesized by :
NEET 2019
38
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
NEET 2019
39
Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :
NEET 2019
40
Which of the following immune responses is responsible for rejection of kidney graft?
NEET 2019
41
Which of the following is not an autoimmune disease?
NEET 2018
42
Which part of poppy plant is used to obtain the drug “smack”?
NEET 2018
43
In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?
NEET 2018
44
Transplantation of tissues/ organs fails often due to non-acceptance by the patient's body. Which type of immuneresponse is responsible for such rejections ?
NEET 2017
45
MALT constitutes about ________ percent of the lymphoid tissue in human body
NEET 2017
46
Which of the following is correct regarding AIDS causative agent HIV ?
NEET 2016 Phase 2
47
Which of the following sets of diseases is caused by bacteria ?
NEET 2016 Phase 2
48
Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain -
NEET 2016 Phase 1
49
Which of the following statements is not true for cancer cells in relation to mutations ?
NEET 2016 Phase 1
50
In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormally and it attacks self-cells, then it leads to
NEET 2016 Phase 1
51
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?
AIPMT 2015
52
Which of the following diseases is caused by a protozoan?
AIPMT 2015
53
Which of the following immunoglobulins does constitute the largest percentage in human milk?
AIPMT 2015
54
Grafted kidney may be rejected in a patient due to -
AIPMT 2015
55
Match each disease with its correct type of vaccine
Column I Column II
A. Tubeculosis (i) Harmless virus
B. Whooping cough (ii) Inactivated toxin
C. Diphtheria (iii) Killed bacteria
D. Polio (iv) Harmless bacteria
AIPMT 2015 Cancelled Paper
56
HIV that causes AIDS, first starts destroying
AIPMT 2015 Cancelled Paper
57
The active form of Entamoeba histolytica feeds upon
AIPMT 2015 Cancelled Paper
58
Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below? AIPMT 2014 Biology - Human Health and Diseases Question 100 English
AIPMT 2014
59
At which stage of HIV infection does one usually show symptoms of AIDS ?
AIPMT 2014
60
Which one of the following is a hallucinogenic drug?
NEET 2013 (Karnataka)
61
Identify the site where Wuchereria bancrofti is normally found on human body :
NEET 2013 (Karnataka)
62
Which one of the following statements is correct regarding Sexually Transmitted Diseases (STD) ?
NEET 2013 (Karnataka)
63
Infection of Ascaris usually occurs by :
NEET 2013
64
Identify the molecules (a) and (b) shown below and select the right option giving their source and use. AIPMT 2012 Mains Biology - Human Health and Diseases Question 90 English 1 AIPMT 2012 Mains Biology - Human Health and Diseases Question 90 English 2
AIPMT 2012 Mains
65
Which one of the following sets of items in the option A – D are correctly categorized with one exception in it ?
AIPMT 2012 Mains
66
Read the following four statements (A-D) :
(A) Colostrum is recommended for the new born because it is rich in antigen
(B) Chikengunya is caused by a Gram negative bacterium
(C) Tissue culture has proved useful in obtaining virus-free plants
(D) Beer is manufactured by distillation of fermented grape juice
How many of the above statements are wrong ?
AIPMT 2012 Mains
67
Which one of the following statements is correct with respect to immunity?
AIPMT 2012 Mains
68
Cirrhosis of liver is caused by the chronic intake of
AIPMT 2012 Prelims
69
Widal Test is carried out to test :
AIPMT 2012 Prelims
70
Which one of the following in not a property of cancerous cells whereas the remaining three are ?
AIPMT 2012 Prelims
71
Motile zygote of Plasmodium occurs in
AIPMT 2012 Prelims
72
In which one of the following options the two examples are correctly matched with their particular type of immunity?
AIPMT 2012 Prelims
73
Common cold differs from pneumonia in, that
AIPMT 2012 Prelims
74
Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection ?
AIPMT 2011 Mains
75
Common cold is not cured by antibiotics because it is :
AIPMT 2011 Mains
76
A certain patient is suspected to be suffering from Acquired Immuno Deficiency Syndrome. Which diagnostic technique will you recommend for its detection?
AIPMT 2011 Prelims
77
Which one of the following acts as a physiological barrier to the entry of microorganisms in human body?
AIPMT 2011 Prelims
78
At which stage of HIV infection does one usually show symptoms of AIDS?
AIPMT 2011 Prelims
79
Where will you look for the sporozoites of the malarial parasite ?
AIPMT 2011 Prelims
80
Which one of the following techniques is safest for the detection of cancers ?
AIPMT 2010 Mains
81
A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when
AIPMT 2010 Mains
82
Infectious proteins are present in –
AIPMT 2010 Prelims
83
Ringworm in humans is caused by :
AIPMT 2010 Prelims
84
Widal test is used for the diagnosis of –
AIPMT 2010 Prelims
85
Which one of the following statements is correct with respect to AIDS ?
AIPMT 2010 Prelims
86
Select the correct statement from the ones given below :
AIPMT 2010 Prelims
87
Which of following is a pair of viral diseases ?
AIPMT 2009
88
Which one of the following statement is correct ?
AIPMT 2009
89
Which one of the following is the correct statement regarding the particular psychotropic drug specified ?
AIPMT 2008
90
Match the disease in Column I with the appropriate items (pathogen/ prevention/ treatment) in Column II.
Column I Column II
(A) Amoebiasis (i) Treponema pallidium
(B) Diphtheria (ii) Use only sterilized food
(C) Cholera (iii) DPT Vaccine
(D) Syphilis (iv) Use oval rehydration
AIPMT 2008
91
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
AIPMT 2007
92
Increased asthmatic attacks in certain seasons are related to:
AIPMT 2007
93
Lysozyme that is present in perspiration, saliva and tears, destroys:
AIPMT 2007
94
The bacterium (Clostridium botulinum) that causes botulism is-
AIPMT 2006
95
A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from-
AIPMT 2006
96
The causative agent of mad-cow disease is a-
AIPMT 2006
97
HIV that causes AIDS, first starts destroying
AIPMT 2006
98
Antibodies in our body are complex-
AIPMT 2006
99
Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness ?
AIPMT 2005
100
Damage to thymus in a child may lead to
AIPMT 2005
101
Which one of the following is not correctly matched ?
AIPMT 2004
102
Christmas disease is another name for : -
AIPMT 2003
103
Carcinoma refers to : -
AIPMT 2003
104
Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as :-
AIPMT 2003
105
Cancerous cells can easily be destroyed by radiations due to : -
AIPMT 2002
106
Reason of lung cancer is : -
AIPMT 2001
107
Salmonella is related with : -
AIPMT 2001
108
Interferons are synthesized in response to
AIPMT 2001
109
Which of the most infectious disease ?
AIPMT 2001
110
L.S.D. is : -
AIPMT 2001
111
Which one of the following is correct match ?
AIPMT 2001
112
Saline solution is given to patients of Cholera because
AIPMT 2000
113
Which disease of man is similar with cattle's, bovine spongyform encephalopathy ?
AIPMT 2000
114
Which is showing accurate pairing ?
AIPMT 2000