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The term ‘Health’ is defined in many ways. The most accurate definition of the health would be
(c) Health is not just the absence of disease. It is a state of complete physical, mental, social and psychological well-being.
The organisms which cause diseases in plants and animals are called
(a) A wide range of organisms belonging to bacteria, viruses, fungi protozoans, helminthes, etc., could cause diseases in man. Such disease causing organisms are called pathogens.
The chemical test that is used for diagnosis of typhoid is
(d) The chemical test that is used for diagnosis of typhoid is Widal-Test.
Diseases are broadly grouped into infectious and non-infectious diseases. In the list given below, identify the infectious diseases.
i. Cancer ii. Influenza
iii. Allergy iv. Small pox
(d) : Diseases can be broadly grouped into infectious and non-infectious. Diseases which are easily transmitted from one person to another, are called infectious diseases. Influenza and small pox are infectious diseases which are spreaded by direct contact, inhalation and droplet infections. Cancer and allergy are non-communicable diseases, as these diseases remain confined to the person who suffer from them. They are not transmitted from infected person to a healthy person.Â
The sporozoites that cause infection, when a female Anopheles mosquito bites a person being are formed in
(d) The sporozoites that cause infection, when a female Anopheles mosquito bites a person being are formed in intestine of mosquito.
The disease chikunguniya is transmitted by
(b) Dengue and chikunguniya are transmitted by Aedes mosquitoes.
Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?
(a)
– Difficulty in respiration, fever, chills, cough, headache: Pneumonia
– Constipation, abdominal pain, cramps, blood clots: Amoebiasis
– Nasal congestion and discharge, cough, sorethroat, headache: Common cold
– High fever, weakness, stomach pain, loss of appetite and constipation: Typhoid
The genes causing cancer are
(c) Oncogenes are the cancer causing genes.
In malignant tumors, the cells proliferate, grow rapidly and move to other . parts of the body to form new tumors. This stage of disease is called
(b) In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called metastasis.
When an apparently healthy person is diagnosed as unhealthy by a psychiatrist, the reason could be that
(c) When an apparently healthy person- is diagnosed as unhealthy by a psychiatrist, the reason could be that the patient shows behavioural and social maladjustment.
Which of the following are the reason(s) for Rheumatoid arthritis? Choose the correct option.
i. The ability to differentiate pathogens or foreign molecules from self cells increases
ii. Body attacks self cells
iii. More afitibodies are produced in the body
iv. The ability to differentiate pathogens or foreign molecules from self cells is lost
(b) Rheumatoid arthritis is an autoimmune diseases in which
– Body attacks self cells
– The ability to differentiate pathogens or foreign molecules from self cells is lost
AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV
(c) Mode of transmission of HIV:
– Transfusion of contaminated blood
– Sharing the infected needles
– Sexual contact with infected persons
‘Smack’ is a drug obtained fipm the
(a)
– ‘Smack’ is a drug obtained from the latex of Papaver somniferum.
– Smack are brown sugar, the common name of Heroin.
– Heroin is obtained by acetylation of morphine.
The substance produced by a cell in viral infection that can protect other cells from further infection is N
(c) The substance produced by a cell in viral infection that can protect other cells from further infection is interferon.
Transplantation-of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?
(d) Transplantation of tissues/organs to-save certain patients often fails due to rejection of such tissues/organs by the patient. Cell-mediated immune response is responsible for such rejections.
Antibodies present in colostrum which protect the new born from certain diseases is of
(b) Antibodies present in colostrum which protect the new born from certain diseases is of \(\operatorname{Ig} A\) type.
Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be
(a) Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be nicotine. Morphine, cocaine, codeine and nicotine are all alkaloids.
Anti-venom against snake poison contains
(c) Anti-venom against snake poison contains antibodies.
Which of the following is not a lymphoid tissue?
(c) Spleen, Tonsils and Thymus are lymphoid tissue while pancreas is mixed gland.
Which of the following glands is large sized at birth but reduces in size with ageing?
(c) Thymus glands is large sized at birth but reduces in size with ageing.
Haemozoin is a
(c) Haemozoin is a toxin released from Plasmodium infected cells.
One Of the following is not the causal organism for ringworm.
(d) Microsporum, Trichophyton and Epidermophytonare the causal organism for ringworm while Macrosporum is a brown alga.
A person with sickle cell anemia is
(c) A person with sickle cell anemia is less prone to malaria.
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