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Which of the following toxic substance is responsible for the chill and high fever recurring every three to four
days in malaria?
(1) Haemotoxin
(2) Haemoglobin
(3) Haemozoin
(4) Sporozoites

In which of the following disorder, the alveoli get filled with fluid leading to severe problems in respiration?
(1) Common cold
(2) Whooping cough
(3) Diphtheria
(4) Pneumonia

Typhoid fever could be confirmed by
(1) Widal test
(2) Mantoux test
(3) Schick test
(4) Dick test

Mark the incorrect statement with respect to infection of Entamoeba histolytica
(1) It is a protozoan parasite of human
(2) It is characterised by constipation and abdominal pain
(3) It is a parasite in small intestine of man
(4) Houseflies act as mechanical carriers and serve to transmit the parasite from faeces of infected person
to food and food products

Which of the following statement is not correct regarding malarial infection?
(1) Plasmodium enters the human body as sporozoites through the bite of freshly moulted female Anopheles
mosquito
(2) High fever recurring every three to four days
(3) Sporozoites initially multiply within the liver cells and then attack the RBCs resulting in their rupture
(4) When a female Anopheles mosquito bites an infected person, these parasites enter the mosquito’s body
and undergo further development

Internal bleeding, muscular pain, fever, anaemia and blockage of the intestinal passage are the common
symptoms of
(1) Amoebiasis
(2) Elephantiasis
(3) Ascariasis
(4) Typhoid

Which of the following fish is introduced in pond to control or eliminate the vector responsible for the
transmission of malaria and filariasis?
(1) Exocoetus
(2) Pristis
(3) Scoliodon
(4) Gambusia

The use of vaccines and immunisation programmes have enabled us to completely eradicate a deadly disease
like
(1) Polio
(2) Tetanus
(3) Diphtheria
(4) Small pox

In the life cycle of Plasmodium, sexual stages (gametocytes) begin to develop in
(1) Stomach of mosquito
(2) Intestine of man
(3) Liver of man
(4) Red blood cells of man

Out of the following diseases which are caused due to bacterial infection?
a. Typhoid
b. Elephantiasis
c. Cholera
d. Tuberculosis
(1) a & b only
(2) b & c only
(3) a, c & d only
(4) a, b, c & d

The pathogens of genera, Microsporum, Trichophyton and Epidermophyton are responsible for
(1) Botulism
(2) Conjunctivitis
(3) Ringworm
(4) Skin allergy

The use of anti-histamine, adrenaline and steroids quickly reduce the symptoms of
(1) Fungal diseases
(2) Viral diseases
(3) Allergy
(4) Helminthic diseases

Which of the following is an autoimmune disease?
(1) Asthma
(2) Cirrhosis
(3) AIDS
(4) Rheumatoid arthritis

Which of the following is a non-specific type of defense that is present at the time of birth?
(1) Acquired immunity
(2) Humoral immune response
(3) Cell mediated immunity
(4) Innate immunity

Acid in stomach, saliva in the mouth, tears from eyes, all prevent microbial growth belong to which of the
following barrier?
(1) Physical barrier
(2) Physiological barrier
(3) Cellular barrier
(4) Cytokine barrier

Which of the following immunoglobulin (Ig) is present in colostrum?
(1) IgA
(2) IgG
(3) IgM
(4) IgE

The treatment of snake bite by antivenom is an example of
(1) Artificially acquired passive immunity
(2) Artificially acquired active immunity
(3) Naturally acquired active immunity
(4) Naturally acquired passive immunity

Human immunodeficiency virus is a/an
(1) Adeno virus
(2) DNA retrovirus
(3) RNA retrovirus
(4) Adeno retrovirus

HIV decreases natural immunity of the body by
(1) Destroying antibodies
(2) Destroying erythrocytes
(3) Attacking T-lymphocytes
(4) Attacking B-lymphocytes

Among the noninfectious diseases, which of the following is most common fatal diseases of human beings?
(1) AIDS
(2) Cancer
(3) Cystic fibrosis
(4) Cholera

Choose the incorrect statement with respect to common cold
(1) Rhinovirus causes common cold
(2) Rhinovirus infects the nose, respiratory passage and lungs
(3) Common cold is characterised by nasal congestion and discharge, sore throat, hoarseness, cough,
headache, tiredness etc.
(4) Droplets resulting from cough or sneezes of an infected person are inhaled directly or transmitted through
contaminated objects and can cause infection in a healthy person

Intestinal perforation is the characteristic symptom of
(1) Pneumonia
(2) Plague
(3) Typhoid
(4) Pertussis

Wuchereria bancrofti, the filarial worm that causes elephantiasis belongs to phylum
(1) Platyhelminthes
(2) Aschelminthes
(3) Coelenterate
(4) Arthropoda

Recently chikungunya and dengue cases were reported from various parts of the country. Choose the correct
vector responsible for these diseases
(1) Anopheles mosquito
(2) Xenopsylla (Rat flea)
(3) Culex mosquito
(4) Aedes mosquito

Which of the following causes plague?
(1) Trichinella spiralis
(2) Salmonella typhimurium
(3) Yersinia pestis
(4) Xenopsylla

A person who met with road accident is likely to develop tetanus he is immunised by administering
(1) Weakened germs
(2) Dead germs
(3) Preformed antibodies
(4) Wide spectrum antibiotics

Antigen binding site in an antibody is formed by
(1) Two light chains
(2) Two heavy chains
(3) One heavy and one light chain
(4) Either between two light chains or between one heavy and one light chain depending upon the nature of
antigen

Mark the correct statement
(1) The anamnestic response against a pathogen is highly intensified
(2) The T-lymphocytes produce antibodies
(3) The B-lymphocytes produce cell mediated response
(4) An antibody is represented by H₂L₄

Which of the following will be included under innate immunity?
(1) Mucus membranes
(2) Interferons
(3) Natural killer cells
(4) All of these

Artificial active immunity can be acquired from
(1) Serious illness
(2) Vaccination
(3) Repeated exposure to the some microbes
(4) Treatment with penicillin

One of the inflammatory reaction induced by histamine is
(1) Vasoconstriction of blood vessels
(2) Vasodilation of blood vessels
(3) Decreased vascular permeability
(4) Accelerated blood clotting

Blood cells involved in inflammatory reactions are
(1) Basophils
(2) Neutrophils
(3) Eosinophils
(4) Monocytes

The letter T in T-lymphocyte refers to
(1) Thymus
(2) Thyroid
(3) Thalamus
(4) Tonsil

The caustative organism of AIDS spreads by
(1) Sharing infected needles and syringes
(2) Transfusion of infected blood
(3) Unsafe sexual relationships
(4) All of these

Cancer is caused by
(1) Rupturing of cells
(2) Uncontrolled meiosis
(3) Uncontrolled mitosis
(4) Loss of immunity of the cells

Oncogene is another name for
(1) Inducer gene
(2) Jumping gene
(3) Structural gene
(4) Cancer causing gene

The blood cancer is also known as
(1) Haemolysis
(2) Haemophilia
(3) Leukaemia
(4) Thrombosis

Read the following statements
a. Heroin, commonly called smack, is obtained by acetylation of morphine.
b. Cocaine is obtained from the latex of Papaver somniferum.
c. Dopamine is excitatory neurotransmitter.
d. Morphine is an effective sedative and pain killer.
Mark the option which includes both correct statement
(1) a & b
(2) b & c
(3) c & d
(4) a & d

L.S.D. is
(1) Hallucinogenic
(2) Sedative
(3) Stimulant
(4) Tranquiliser

Tick mark the incorrect match with respect to the drug, source and its action.