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Previous year question Of Human Health and Diseases For NDA

Previous year question Of Human Health and Diseases

Previous year question
Q 2764201155

Sleeping sickness is a parasitic disease of humans and other' anniuus. It is caused by.
NDA Paper 2 2017
(A)

Histomonas

(B)

Trypanosoma

(C)

Angomonae

(D)

Naegleria

Solution:

Correct Answer is `=>` (B) Trypanosoma
Q 2784201157

Which one of the following agencies enforces the laws on food security in India ?
NDA Paper 2 2017
(A)

FDA

(B)

WHO

(C)

FSSAI

(D)

FAO

Solution:

Correct Answer is `=>` (C) FSSAI
Q 2326091871

Which one among the following organs in humans is not involved in elicitation of immune response'?
NDA Paper 2 2013
(A)

Thymus

(B)

Brain

(C)

Spleen

(D)

Lymph Nodes

Solution:

Brain is not involved in elicitation of immune response. Lymph nodes are oval shaped organs of lymphatic system, distributed widely throughout our body and are garrisons of B, T and other immunity cells. The thymus is on specialism organ of immune system within which the T-cell nature. The spleen is on cymphatic organ that plays an important role in protecting the body from invading pathogens.
Correct Answer is `=>` (B) Brain
Q 2376091876

Which one among the following diseases is not caused by polluted water'?
NDA Paper 2 2013
(A)

Dysentery

(B)

Jaundice

(C)

Typhoid

(D)

Tuberculosis

Solution:

Tuberculosis (TB) is a common and in many cases lethal, infectious disease caused by various strains of my co bacterium. TB typically attacks the lungs, but can also affect other parts of the body.
Correct Answer is `=>` (D) Tuberculosis
Q 2337401382

Consider the following diseases
1. Cholera
2. Tuberculosis
3. Filaria
4. Typhoid
Which of the above diseases are caused by bacteria?
NDA Paper 2 2013
(A)

1 and 3

(B)

2 and 4

(C)

1, 3 and 4

(D)

1, 2 and 4

Solution:

Filariasis is a parasitic disease that is caused by
thread-line nematodes (roundworms) belonging to the
superfamily Filarioidea, also known as 'filariae'. These are
transmitted from host to host by blood feeding arthropods,
mainly black flies and mosquitoes.
Correct Answer is `=>` (D) 1, 2 and 4
Q 2377401386

Which one among the following water-borne
diseases is not caused by a bacteria ?
NDA Paper 2 2012
(A)

Cholera

(B)

Typhoid

(C)

Bacillary dysentery

(D)

Hepatitis A

Solution:

Hepatitis A is an acute infectious disease of the liver
caused by the hepatitis A virus (Hep A),an RNA virus, usually
spread by the fecal-oral route; transmitted person-to-person by
ingestion of contaminated food or water or through direct contact
with an infHctious person
Correct Answer is `=>` (D) Hepatitis A
Q 2337501482

After entering the human body through mosquito bite, the malarial parasite (Plasmodium) shows initial multiplication in
NDA Paper 2 2012
(A)

Spinal chord

(B)

Blood

(C)

Liver

(D)

Spleen

Solution:

Malaria is a mosquito-borne infectious disease of humans and other animals which is caused by protists (a type of microorganism) of the genus- Plasmodium. The protists first infects the liver, then acts as parasites within red blood cells, causing symptoms that typically include fever and headache, in severe cases progressing to coma or death. The disease is widespread in tropical and subtropical regions in a broad band around the equator, including much of Sub-Saharan Africa, Asia, and the Americas. The malarial parasite (Plasmodium) shows initial multiplication in liver.
Correct Answer is `=>` (C) Liver
Q 2357501484

Which one among the following .is not included in the major clinical sign as a case definition of AIDS in children less than 12 years of age '?
NDA Paper 2 2012
(A)

Persistent cough for more than 1 month

(B)

Loss of weight

(C)

Chronic diarrhoea

(D)

Prolonged lever

Solution:

Persistent coughing for more than one month is a clinical symptom for tuberculosis.
Correct Answer is `=>` (A) Persistent cough for more than 1 month
Q 2377501486

Polio disease is caused by
NDA Paper 2 2012
(A)

Bacteria

(B)

Fungi

(C)

Virus

(D)

Worm

Solution:

'Poliomyelitis' often called 'polio' or 'infantile paralysis', is an acute, viral, infectious disease spread from person to person, primarily via the faecal-oral route. Although approximately 90% of polio infections cause no symptoms at all, affected individuals can exhibit a range of symptoms if the virus enters the blood stream. In about t% of cases, the virus enters the central nervous system, preferentially infecting and destroying motor neurons, leading to muscle weakness and acute flaccid paralysis.
Correct Answer is `=>` (C) Virus
Q 2327801781

AIDS is caused by Human Immunodeficiency Virus (HIV) which is.
NDA Paper 2 2011
(A)

Retro virus

(B)

Lenti virus

(C)

Arbovirus

(D)

Immune virus

Solution:

AIDS is an example of immunodeficiency disease caused by the infection of a retrovirus known as Human Immunol deficiency Virus (HIV). Retro viruses have RNA genome that replicates via, DNA intermediate. HIV infects helper T-cells and weakens the acquired immune response.
Correct Answer is `=>` (A) Retro virus
Q 2347112083

Consider the following statements regarding the recent global outbreak of 'Swine flu'.
1. The agent of infection is not well identified
2. The risk is higher in those who consume pork
3. It has a propensity to spread from contact with an infected person
4. Absence of an effective treatment or vaccine makes it risk for a global pandemic
Which of the statements given is/are correct?
NDA Paper 2 2010
(A)

1, 2 and 4

(B)

3 and 4

(C)

2 and 3

(D)

Only 3

Solution:

Swine flu is an infection by any one of several types of swine influenza virus. Swine influenza virus is endemic in pig. People with regular exposure to pig are at increased risk of swine flu infection.
Correct Answer is `=>` (C) 2 and 3
Q 2387112087

Leishmania, the causative agent of kala-azar, multiplies asexually by
NDA Paper 2 2010
(A)

budding

(B)

binary fission

(C)

multiple fission

(D)

sporogony

Solution:

Leishmaniasis is a disease caused by protozoan parasite that belong to the genus Leishmania, which multiplies asexually by binary fission.
Correct Answer is `=>` (B) binary fission
Q 2307112088

Administering a vaccine provides protection by inducing synthesis of antibodies (proteins) specific of the vaccine. The cell in the body responsible for the production of antibodies is
NDA Paper 2 2010
(A)

Granulocyte

(B)

Lymphocyte

(C)

Eryihrocyte (red blood cell)

(D)

Platelet

Solution:

Lymphocyte is a type of white blood cell (leucocyte). They form proteins called antibodies in the presence of foreign macromolecules known as antigens present on surface of invading pathogens.
Correct Answer is `=>` (B) Lymphocyte
Q 2317712689

Oral rehydration therapy is recommended for patients suffering from
NDA Paper 2 2009
(A)

Tuberculosis

(B)

Typhoid

(C)

Tetanus

(D)

Cholera

Solution:

Cholera is an acute diarrhoeal disease, caused by bacterium called Vibrio cholerae. The symptoms of the disease are sudden onset of severe diarrhoea and vomiting. The stools are watery and give rise-water appearance. If the disease is not checked early, it leads to dehydration, loss of minerals, muscular cramps, suppression of urine and death. Rapid replacement of fluid and electrolytes is needed by oral rehydration therapy.
Correct Answer is `=>` (D) Cholera
Q 2337812782

Match the following






Column IColumn II
(Disease) (Diagnosis)
(A) AIDS (1) Widal Test
(B) Plague (2) Wayson Stain Test
(C) Typhoid (3)ELISA Test
(4) Mantoux Test

NDA Paper 2 2009
(A)

`A-> 4, quad B-> 3, quad C->2`

(B)

`A-> 3, quad B-> 2, quad C->1`

(C)

`A-> 1, quad B-> 2, quad C->3`

(D)

`A-> 3, quad B-> 2, quad C->4`

Solution:

ELISA stands for Enzyme Linked !rnmuno Sorbent
Assay. Now-a-days, it is useful in diagnosis of AIDS,
tuberculosis, hepatitis, leprosy, etc.
Plague is detected by Wayson Stain test. Widal test is bacterial
agglutination test, originally introduced by Widal for diagnosis of
typhoid fever.
Correct Answer is `=>` (B) `A-> 3, quad B-> 2, quad C->1`
Q 2317112980

The deficiency of which one of the following leads to dental caries?
NDA Paper 2 2008
(A)

Iron

(B)

Copper

(C)

Fluorine

(D)

Zinc

Solution:

Fluorine is a traces element required in animal body. Its sources are drinking water, tea and seafood. Its main function is maintenance of teeth and bones. Its deficiency leads to dental caries, weak teeth, larger amount causes mottling of teeth.
Correct Answer is `=>` (C) Fluorine
Q 2347112983

ln which one of the following, antibody formations takes place?
NDA Paper 2 2008
(A)

RBCs

(B)

Blood Platelets

(C)

Blood Plasma

(D)

Donnan's membrane

Solution:

The antibodies are generated by B-lymphocytes and plasma cells, and infact, B-lymphocytes get transformed into plasma cells. The mature plasma cell produces antibodies on extremely rapid rate-about 2000 molecules/second.
Correct Answer is `=>` (C) Blood Plasma
Q 2387112987

Which one of the following diseases is not caused by virus?
NDA Paper 2 2008
(A)

Chicken pox

(B)

Measles

(C)

Poliomyelitis

(D)

Tetanus

Solution:

Tetanus (lockjaw) is a bacterial disease caused by bacterium Clostridium tetani, while chicken pox. measles and poliomylitis are viral diseases caused by Varicella zoster, Rubeola virus and polio virus respectively.
Correct Answer is `=>` (D) Tetanus
Q 2377123086

Beri-beri is caused due to lack of which one of the following types of nutrients?
NDA Paper 2 2008
(A)

Fats

(B)

Water

(C)

Vitamins

(D)

Minerals

Solution:

Beri-beri is a vitamin deficiency disease. It is caused by deficiency of vitamin `B_1` or thiamine or antineuritic or antiberi-beri
`C_12H_16N_4SO` vitamin.
Correct Answer is `=>` (C) Vitamins
Q 2377223186

Which one of the following glands in human body enlarges due to goitre?
NDA Paper 2 2008
(A)

Adrenal cortex

(B)

Adrenal medulla

(C)

Pituitary

(D)

Thyroid

Solution:

Thyroid glands in human body enlarges due to goitre. This disease is caused due to less secretion of thyroxin. To fulfil the body requirement of thyroxin the thyroid gland increases in size that is commonly called as goitre.
Correct Answer is `=>` (D) Thyroid
 
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