Mark the incorrect feature of NK cells.
Interferons are an example of
The most widely used screening test for the diagnosis of HIV is
A patient is brought to the hospital with trouble in breathing. His lips and finger nails are turning gray to bluish in colour. He might be suffering from
The name of Mary Mallon was related with
Common cold differs from pneumonia in that
Interferon can be used in the treatment of
The active form of Entamoeba histolytica feeds upon
Identify the wrong match with reference to immunity.
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Vaccination (i) Artificial passive immunity (b) IgA in colostrum (ii) Natural passive immunity (c) Antitetanus serum (iii) Natural active immunity (d) Immunity after recovering from an infection (iv) Artificial active immunity
Which of the following parasites infects man through contaminated food and water?
During an allergic reaction, increase in vascular permeability occurs due to
Select the correct combination.
Mark the correct combination.
Humoral immunity is mediated by
The diseases caused by various pathogenic microbes are categorised under
Mark the incorrect statement about Wuchereria bancrofti.
Choose the correct set of physical barriers of innate immunity.
Which technique uses strong magnetic fields and non-ionising radiations to accurately detect pathological and physiological changes in the living tissues?
Complete the following analogy. Wuchereria : Filariasis : : Fluke : ?
Select the incorrect statement.
Which of the following disease is caused by a virus and transmitted through a bite of infected mosquito?
Haemozoin is a toxic substance released upon which of the following events?
Identify the pair of protozoan diseases from the following.
Match each disease with its correct type of vaccine. Column I Column II A. Tuberculosis (i) Harmless virus B. Whooping cough (ii) Inactivated toxin C. Diphtheria (iii) Killed bacteria D. Polio (iv) Harmless bacteria
The cell-mediated immunity inside the human body is carried out by
Grafted kidney may be rejected in a patient due to
At which stage of HIV infection does one usually show symptoms of AIDS?
Which part of poppy plant is used to obtain the drug “smack”?
The semisynthetic opioid drug obtained by the acetylation of morphine is
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Vaccination (i) Artificial passive immunity (b) IgA in colostrum (ii) Natural passive immunity (c) Antitetanus serum (iii) Natural active immunity (d) Immunity after recovering from an infection (iv) Artificial active immunity
Following all are the cellular barriers of innate immunity, except
Coca alkaloid or cocaine is obtained from:
The exaggerated response of the immune system to dust, pollen grains, etc. results in symptoms like sneezing, watery eyes, running nose and difficulty in breathing. Which type of antibodies are responsible for this?
Which of the following statements is correct ?
The commonly used diagnostic test for typhoid is
In which of the following organs do immature lymphocytes differentiate into antigen-sensitive lymphocytes?
Interferons are mainly used to treat
Most severe form of malaria is caused by
Which of the following diseases is commonly transmitted through droplets?
Grafts from any source – an animal, another primate, or any human beings cannot be made since the grafts would be rejected sooner or later. The immune response mainly responsible for this rejection is
Which of the following is a characteristic feature of malignant tumours?
Which of the following is a depressant and slows down body functions?
Which of the following uses strong magnetic fields and non-ionising radiations to detect cancers?
Genome of HIV consists of
Which of the following is not true about T lymphocytes?
A vector-borne disease that causes inflammation of lymphatic vessels is
Drug obtained from this plant is
Entamoeba histolytica is a protozoan parasite that lives in the
Opioid receptors are widely expressed in the
The commonly used hepatitis B vaccine is produced by genetically engineered
Presence of interferons in a person’s body is indicative of
Which of the following is used to treat allergy?
The larvae of which of the following worm would penetrate the body of man through the soles of feet, if people step bare footed on soil?
Which of the following is the most common use of morphine?
Find the incorrect match between the disease listed and its mode of transmission.
All stages of Plasmodium are digested in the stomach of the female Anopheles, except
A patient is diagnosed with internal bleeding, muscular pain, fever, anemia blockage of intestinal passage. He is most likely suffering from
Antibody molecules is Y shaped. The two tips of this Y shaped molecule bin to antigen through which type of interaction/bond?
Active immunity means
Which of the following are the reasons for rheumatoid arthritis? (i) Lymphocytes become more active. (ii) The body attacks self cells. (iii) Deficiency of primary and secondary immune responses. (iv) The ability to differentiate pathogens or foreign molecules from self cells is lost.
Which of the following species cause the most fatal form of malaria?
Select the correct statement.
Infection of Ascaris usually occurs by
Identify the site where Wuchereria bancrofti is normally found in human body
HIV that causes AIDS, first starts destroying
Which of the following viruses is not transferred through semen of an infected male?
Which one of the following is a hallucinogenic drug?
Which of the following diseases is caused by a protozoan?
Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown here?
Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain
Which of the following statements is not true for cancer cells in relation to mutations?
Which of the following sets of diseases is caused by bacteria?
In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to
Asthma may be attributed to
Which of the following is correct regarding AIDS causative agent HIV?
Transplantation of tissues/organs fails often due to non acceptance by the patient’s body. Which type of immune response is responsible for such rejections?
MALT constitutes about ————-percent of the lymphoid tissue in human body.
Which of the following is not an autoimmune disease?
Which of the following immune responses is responsible for rejection of kidney graft ?
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
In cases of snakebites, the injection which is given to the patients, contain preformed antibodies against the snake venom. This type of immunity is called
Drug called ‘ Heroin’ is synthesised by
The infectious stage of Plasmodium that enters the human body is :
Identify the wrong statement with reference to immunity.
Which of the following form cytokine barrier?
Hashish is a drug made from the resin of
The yellowish fluid “colostrum” secreted by mammary glands of mother during the initial days of lactation has abundant antibodies (lgA) to protect the infant. This type of immunity is called as :
The appearance of dry, scaly lesions on various parts of the body such as skin, nails, and scalp are the main symptoms of
Interferons are commonly used in the treatment of all of the following, except
Cocaine interferes with the transport of
Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it
Secondary immune response to an antigen is highly intensified due to the
Match Column – I with Column – II and select the correct option. Column I Column II (a) Plasmodium (i) Ringworm (b) Wuchereria (ii) Amoebiasis (c) Entamoeba (iii) Elephantiasis (d) Microsporum (iv) Malaria
The most feared property of malignant tumors is
In primary response, a slow rise of which antibodies occurs?
Every new encounter with the same antigen results in a rapid proliferation of memory cells, this is called
Antibody titer in secondary response mainly contains
The method of providing immunity artificially is called
The primary and secondary immune responses are carried out with the help of two special types of lymphocytes, those are
Which of the following is relatively, rapid immune response ?
Antibodies are ‘Y’ shaped immunoglobulins. The stalk of ‘Y’ consists of
The most abundant type of antibodies are
Which is known as coproantibody?
The only class of antibody that can cross the placenta from mother to foetus
Largest immunoglobulin secreted by plasma cells is
Antibodies that are involved in activation of complement system are
In malaria, fever is caused
Which of the following are a pair of protozoan diseases?
Interferons are categorized as
Mark the wrong statement with regard to graft rejection.
Mark the correct statement about ‘passive immunity’.
During allergy, mast cells release certain chemicals like
Mark the incorrect combination of drug and its source.
Immature lymphocytes differentiate into antigen-sensitive lymphocytes in
Mark the incorrect combination of a disease and its diagnostic test.
‘Smack’ is a commonly used term for which of the following drugs?
A disease that can be contracted through wounds, accidents, and improperly sterilised surgical instruments is?
Read the statements below about Thymus. (a) Thymus is a bilobed secondary lymphoid organ. (b) Thymus starts to increase in size from puberty. (c) T-lymphocytes mature in Thymus. (d) Thymus is dorsal to aorta in its position. Choose the correct option that correctly identifies which ones are true(T) and which ones are false(F).
Mark the wrong statement.
Convalescent plasma therapy is a part of Covid-19 treatment. It is a procedure, wherein the blood of a person who has recovered from the Covid-19 is extracted and injected into a patient suffering from it. What the type of immunity is it called?
Covaxin helps against Covid-19 by stimulating the human body to produce
Mark the incorrect match
Allergy refers to
Mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts also help in trapping microbes entering our body. Which barrier of innate immunity is this?
The side-effects of the use of anabolic steroids in males include all the following, except
Which of the following is not true about cancer cells?
Nicotine in tobacco stimulates
The human immune system consists of lymphoid organs, tissues, cells and soluble molecules like antibodies. The antibodies are produced by
Which of the following is not a normal site for the interaction of antigen with the lymphocytes, leading to formation of effector cells?
Mark the correct combination
How many classes of antibodies exist in humans based on the heavy chain?
Gp120 molecule of HIV attaches to
Which of the following are not made of proteins in the human body?
A patient was advised by the doctor to undergo widal test. What would have been the symptoms in the patients that the doctor prescribed this test?
Addiction to cigarette is mainly due to presence of in it.
NACO, a division of the Ministry of Health and Family Welfare, Government of India, was established in 1992 with the aim of educating people about
Ascaris lumbricoides requires how many hosts to complete its life cycle?
Which of the following is a large bean-shaped structure, made of lymphoid tissue?
Erythema is redness of skin which is a common symptom in allergies. This is mainly due to
Mark the wrong statement.
Peyer’s patches is made of lymphoid tissue located within the lining of the
Malaria is similar to filariasis in which of the following aspects?
The lips and finger nails may turn gray to bluish in colour (cyanosis) in severe cases of
Choose the attributes of an anamnestic response from the following. (a) High intensity response (b) Low intensity response (c) Both B and T lymphocytes are involved (d) High antibody titre (e) Low antibody titre
How many of the following are examples of active immunity? (a) Vaccination (b) Antibodies in colostrum (c) Anti-tetanus serum (d) A natural infection of chicken pox (e) Antivenom to snake bite
Ringworm infection is caused by all the following except
A basket ball player comes to the clinic complaining of abnormal menstrual cycles, excessive hair growth on the face and body, enlargement of clitoris, deepening of voice. She might be abusing which of the following drugs?
The sexual lifecycle of Plasmodium takes place in the
A man is advised to take widal test by the doctor. He might be suffering from
The principle of immunisation or vaccination is based on which of the following properties of the immune system?
Certain viruses cause cancer by
Mark the correct statement.
World AIDS day is
Select the correct pair of diseases caused by bacteria.
The infective stage of Plasmodium to man is
In case of which of the following diseases, the patient is most likely to show elevated levels of circulating interferons in response to the initial infection?
Select the correct match.
Which of the following is involved in both humoral and cell-mediated immunity?
The major target cells for HIV are
Match the items given in column I with those in column II and select the correct option. Column I Column II (a) Cocaine (i) Depressant (b) Smack (ii) Hallucinations (c) Tobacco (iii) Adrenaline (d) Atropine (iv) Dopamine
Each antibody molecule has
All the following are diagnostic tests of cancer except for
Abrupt stoppage of drug intake in drug addicts leads to
Tumour formation occurs due to
The group of viruses that affect the nose and the respiratory passages are
Mark the correct pair.
Mark the incorrect match of a disease and the vector.
The hormone responsible for maturation of T-lymphocytes is
Mark the correct statement about cocaine.
Select the correct combination of a disease, the causative organism, and mode of infection.
Mark the incorrect statement about allergy.
B lymphocytes are involved in
HIV mainly kills and causes a progressive decrease in the number of
Read the following statements and select the correct option. Statement A : Anti-retroviral drugs can only prolong the life of the patient but cannot prevent death. Statement B : PCR is now routinely used to detect HIV in suspected AIDS patients.
Most fatal malaria is caused by
A bactericidal component present in tears and saliva is
Match the following and choose the correct option. Column I Column II (a) Ringworm (i) Tryponema (b) AIDS (ii) Rhinovirus (c) Syphilis (iii) Retrovirus (d) Common cold (iv) Trichophyton
Match the following and choose the correct option. Column I Column II (a) Ringworm (i) Tryponema (b) AIDS (ii) Rhinovirus (c) Syphilis (iii) Retrovirus (d) Common cold (iv) Trichophyton
The sexual cycle of malaria parasite takes place in
Ramesh consumed groundnuts and immediately his lips and tongue were swollen. Which of the following are not true about this allergic reaction?
A major cause of death among non-infectious diseases is
The most abundant antibody in colostrum is
Tumor cells have been shown to avoid detection and destruction by immune system. For this reason, cancer patients are administered with
Lymphoid tissue can be found in the a. respiratory tract b. urinogenital tract c. digestive tract
The cells of malignant tumors exhibit (a) Metastasis (b) Contact inhibition (c) Telomerase activity (d) Anchorage dependence
The transport of dopamine is blocked by
Interferons have
AIDS patients have
Match the following and choose the correct options. Column I (Disease) Column II (Mode of transmission) (a) Typhoid (i) Mosquito bite (b) Ringworm (ii) Droplet method (c) Pneumonia (iii) Contaminated food and water (d) Filariasis (iv) Contact method
Which of the following is chemically diacetylmorphine?
How many of the following can be carcinogenic? a. X-rays b. Viruses c. Gamma rays d. Nicotine e. UV rays
Which of the following contribute to the abnormal cell division in tumor cells?
Receptors of morphine are distributed in the
constitutes about 50% of lymphoid tissue in human body.
In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This phenomenon is called
In the case of autoimmunity, the B cells
Which type of barrier is saliva in the mouth?
Which of the following is not an autoimmune disorder?
Immature B lymphocytes differentiate into antigen-sensitive B-lymphocytes in
Sporozoite is a stage observed in the life cycle of
When a quick immune response is required, the patient is directly injected with
Which of the following is not a diagnostic technique of cancer?
Which of the following is not an effect of smoking?
Haemozoin is the toxic substance that causes
Cells that plays a key role in graft rejection after organ transplant are
Smoking is mostly not associated with increased incidence of cancers of
The function of the largest lymphatic organ in man is
Match the disease in Column I with the appropriate items (pathogen / prevention / treatment) in Column II. Column I Column II (a) Amoebiasis (i) Treponema pallidum (b) Diphtheria (ii) Use only sterilised food and water (c) Cholera (iii) DPT Vaccine (d) Syphilis (iv) Oral rehydration therapy a b c d 1 i ii iii iv 2 ii iv i iii 3 ii i iii iv 4 ii iii iv i
The treatment of snake-bite by anti-venom is an example of
Rheumatoid arthritis is an example of
The infamous name Mary Mallon is associated as a carrier of
The most abundant antibody in colostrum is
Which of the following is an opioid drug?
Vaccines are
Identify the sets of diseases in which, A : Infectious and B : Non-infectious.
Choose the correct statement/s regarding malaria (i) Malignant malaria is caused by Plasmodium vivax . (ii) Frequent chills and fever are caused by hemozoin. (iii) Sporozoites reproduce sexually in hepatocytes. (iv) Gametocytes develop in RBCs.
The given biomolecule is the part of the defense system which is responsible for response with A and B labeled as :
Statement A – Typhoid Mary was a health worker. Statement B – Haemophilus influenzae doesn’t cause influenza.
Which cells are responsible for the phagocytosis of antigens and removal of cellular debris?
Entamoeba differs from Amoeba is not having
After vaccination the body builds up
The sporozoites that cause infection when a female Anopheles mosquito bites a human being are developed in
The genes causing cancer are
The correct match of the group of protozoans with the correct example Protozoan Example P Amoeboid protozoan i Plasmodium Q Sporozoan ii Trypanosoma R Ciliated protozoan iii Paramoecium S Flagellated protozoan iv Entamoeba P Q R S 1 iv iii ii i 2 i ii iii iv 3 ii iii iv i 4 iv i iii ii
Which of the following statement is incorrect for opioid drugs?
Select the correct match from the following I. Humoral mediated immunity : T-cell mediated immune response. II. Anamnestic immune response : Low intensity immune response. III. Antigen binding site : Variable region of both heavy and light chain.
The two most dreadful and fatal disease throughout world are
Diseases are broadly grouped into infectious and non-infectious types. In the list given below, identify infectious diseases. (i) Cancer (ii) Influenza (iii) Allergy (iv) Small pox
Which of these vaccines is not given against viral diseases?
What is meant by contact inhibition?
Obstacle to large scale transplantation of organs is
Heroin is a white, odourless, bitter crystalline compound which is obtained from the acetylation of a secondary metabolite. This metabolite is extracted from
Which one of the following is an opiate narcotic?
Malignant form of Malaria which is most serious and even can be fatal one is caused by
The rhinovirus is related to the
Alcohol inhibits the secretion of
Physiological barriers prevent microbial growth in our human body include all, except a. Tears b. Skin c. Interferons d. Saliva e. Acid in stomach f. Epithelium of urinogenital tract
Use of Cannabis products results in
Which of the following is not an autoimmune disease?
Which of the following cells is not a part of cellular barriers?
Which of the following drug is obtained from the plant of genus Erythroxylum ?
The two most important property of malignant tumors are :
The person who uses drugs intravenously are much more likely to acquire serious infection like
The carrier for amoebiasis is
In which one of the following options the two examples are correctly matched with its particular type of immunity? Examples Type of immunity (1) Polymorphonuclear leucocytes and monocytes Cellular barriers (2) Anti-tetanus and anti-snake bite injections Active immunity (3) Saliva in mouth and tears in eyes Physical barriers (4) Mucus coating of the epithelium lining the urinogenital tract and the HCl in stomach Cytokine barriers
Which of the following events are not associated with the phase/cycle of malaria parasite in man?
Where will the fertilisation of gametes of a malarial parasite take place?
Select the disease which is not an auto-immune disorder.
Which of the following types of antibodies are produced in a person who is hypersensitive to peanuts?
The genome of HIV consists of
Mark the incorrect statement about immunity.