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31 Years NEET Previous Year Questions: Health & Disease - 3


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25 Questions MCQ Test Biology 31 Years NEET Chapterwise Solved Papers | 31 Years NEET Previous Year Questions: Health & Disease - 3

31 Years NEET Previous Year Questions: Health & Disease - 3 for NEET 2022 is part of Biology 31 Years NEET Chapterwise Solved Papers preparation. The 31 Years NEET Previous Year Questions: Health & Disease - 3 questions and answers have been prepared according to the NEET exam syllabus.The 31 Years NEET Previous Year Questions: Health & Disease - 3 MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for 31 Years NEET Previous Year Questions: Health & Disease - 3 below.
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31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 1

A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with other is suffering from

[2006]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 1

In Border line Personality Disorder (BPD) a person suffers from emotionally unstable personality, unpredictable moods, highly reactive, anxeity and irritability. While in Schizophrenia a person suffers from distorted thoughts, he/she shows some extreme responses, sometimes auditory hallucinations.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 2

Which one of the following depresses brain activity and produced feelings of calmness, relaxation and drowsiness?

[2005]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 2

Amphetamines bring about increased alertness and sleeplessness. Hashish is a hallucinogen. Valium is  a tranquilizer. Valium depresses brain activity and produces feeling of calmness,  relaxation  and drowsiness. Morphine is an opiate narcotic.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 3

AIDS is caused by HIV that principally infects:

[2005]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 3

AIdS virus infects T4 lymphocytes (also called Helper cells). Cytotoxic T cells called T8 lymphocytes.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 4

ELISA is used to detect viruses, where

[2004]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 4

ELISA test is a technique used to detect and quantitate extremely small amount of a protein, antibody or antigen with the help of enzyme. The commonly used enzymes are peroxidase and alkaline phosphatase. Southern blotting  and DNA probes are used in molecular analysis of DNA. Catalase is not involved in ELISA.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 5

Which one of the following conditions though harmful in itself, is also a potential saviour from a mosquito borne infectious disease ?

[2003]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 5

A sickle cell anaemia affected person is more resistant to mosquito born infectious  disease because the sickle - cell shaped RBCs are hostile to the protozoa Plasmodium.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 6

What is true about T- lymphocytes in mammals?

[2003]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 6

T cells account for about 80% of all lymphocytes. They are named T cells because they mature in the thymus, a gland found in the chest. There are three types of T cell lymphocytes:

 Cytotoxic T cell

 Suppressor T cell

 Helper T cell

Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells. A cytotoxic T cell is a T lymphocyte (a type of white blood cell) that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways. The regulatory T cells formerly known as suppressor T cells are a subpopulation of T cells that modulate the immune system, maintain tolerance to self-antigens, and prevent autoimmune disease.

So, the correct answer is 'There are three main types-cytotoxic T-cells, helper T-cells, and suppressor T-cells'.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 7

Carcinoma refers to

[2003]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 7

Carcinomas are malignant growths of the epithelial tissue that cover or line body organs.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 8

Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as

[2003]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 8

Passive immunity.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 9

Cancerous cells can easily be destroyed by radiations due to

[2002]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 9

The ability of radiations to kill cells is highest in the tissue with the highest number of dividing cells. Tumour cells proliferate rapidly. Hence, tumours are killed more rapidly by radiations.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 10

Which statement is correct about centre of origin of plant?

[2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 10

Green manure comprises of a quick growing herbaceous crop. They are mixed with the soil  to enrich the soil. They supply organic matter and also additional nitrogen. 

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 11

L. S. D. is

[2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 11

LSD or (Lysergic acid diethylamide) is an extract of ergot of fungus Claviceps purpurea. It is most powerful hallucinogen which causes horrible dreams, chronic psychosis etc.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 12

Reason of lung cancer

[2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 12

Asbestos fibres present in atmosphere due to industrial emission cause lung cancers (asbestosis).

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 13

Which of the following is most infectious disease?

[2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 13

We know that HBV causes serum hepatitis. It is most frequently transmitted by blood or by blood contaminated instruments.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 14

Salmonella is related with

[2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 14

Tetanus is caused by Clostridium tetani. Tuberculosis is caused by Mycobacterium tuberculosae. Polio is caused by virus. Salmonella typhi causes typhoid fever. The incubation period is about two weeks. The patient  first suffers from high fever of 40°C and continual headache.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 15

Which one of the following is correct match?

[2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 15

Morphine is an opiate narcotic, Bhang is a hallucinogen, Reserpine derived form Rauwolfia, is used as  tranquilizer, cocaine is a stimulant.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 16

For which of the following disease, there is preventive vaccine?

[2000]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 16

Hepatitis is a viral disease; two subgroups are hepatitis type A virus (HAV) and hepatitis type B virus (HBV). HBV causes serum hepatitis, it is most frequently transmitted by blood, products of blood or  blood contaminated instruments. Since only adults are susceptible to HBV, but vaccines are available. While children and young adults are susceptible to HAV, no vaccines are acceptable.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 17

Small proteins produced by vertebrate cells in response to viral infections inhibiting viral multiplication are known as

[2000]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 17

Lipoproteins are conjugated proteins having polypeptides in association with lipids. Immunoglobulins are the constituent of antibodies. Inteferons (INFs) are a group of three vertebrate  glycoproteins (i.e. a, b, g,) Out of these three a & b are produced within virally infected cells.
Interferon  induces among adjacent cells, as antiviral state by inducing synthesis of  the enzymes which inhibit the viral production cycle.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 18

Bovine spongiform encephalopathy, a bovine disease is related to which human disease ?

[2000]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 18

Bovine Spongifor m Ence phalopathy (BSE) is a total brain disease known to exist in beef and other dairy cattle in U.K. It is also known  as mad cow disease. It is caused by prions.
Creutzfeldt- Jacob disease (CJD) is a slow degenerative disease among human affecting central nervous system with dysfunction and degeneration of the brain. It has been suggested that a few people in Britain might have contracted CJD by eating BSE- infected beef. So both are related. Encephalitis is an acute inflammation of the brain mostly due to viral  infection.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 19

Correctly match sexually transmitted disease with its pathogen?

[2000]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 19

AIDS  is caused by HIV virus and Gonorrhoea is caused by Neisseria gonorrhoea. Urethritis is inflammed of the urethra by bacteria.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 20

Hybridoma cells are

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 20

Myeloma is a type of cancer associated with abnormal production of irregular antibodies. It occurs in antibody producing cells that have lost their normal control. Hybridomas are clones of hybrid cell resulting from fusion of normal antibody producing B-cells with myeloma cells.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 21

During blood typing agglutination indicates that the

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 21

Antibodies bind to specific antigens to produce large insoluble complexes which render them  harmless and facilitate their destruction by other cells of the immune system this process is called agglutination.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 22

Vaccines are

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 22

Vaccine contains dead, attenuated form or antigen of a pathogen which can be injected to provide immunity towards that pathogen.  Monoclonal antibodies are homogenous immunological reagents of defined specificity, so that these can be utilized for diagnosis and screening with certainty.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 23

The cell in the human body invaded by the human immuno-deficiency virus (HIV) is

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 23

AIdS is characterized by reduction in the number  of helper T- lymphocytes because of HIV infection. It suppresses human immune system due to which any secondary infection may lead to death. T-lymphocytes are main cells of immune system.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 24

It is not possible to apply Koch's postulates to

[1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 24

Koch's postulates are not applicable to the bacteria causing leprosy and syphilis.
Mycobacterium leprae causing leprosy produces endospores on which Koch’s postulates are not applicable, because Mycobacterium leprae cannot be cultured in vitro.

31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 25

Typhoid fever is caused by

[1998]

Detailed Solution for 31 Years NEET Previous Year Questions: Health & Disease - 3 - Question 25

Typhoid fever is caused by Salmonella typhi (S. typhosa). This is fasillus type. Bacterial genus Shigella causes shigellosis or bacillar y dysentr y. Escherichia coli is a facultative anaerobe found in the intestine of human beings.
Giardia is a flagellate protozoan, Glamblia causes giardiasis  a prolonged diarroheal disease of  humans.

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