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Test: Health And Disease 4 - From Past 28 Years Questions


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25 Questions MCQ Test Biology 31 Years NEET Chapterwise Solved Papers | Test: Health And Disease 4 - From Past 28 Years Questions

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Test: Health And Disease 4 - From Past 28 Years Questions - Question 1

Botulism caused by Clostridium botulinum affects the

[1998]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 1

Botulism is caused by the ingestion of food containing the toxin of Clostridium botulinum. Before the introduction of a strict canning code, the food canning industry was responsible for many deaths each year from botulism (Food poisoning).
Botulism is a rare but serious paralytic illness caused by a nerve toxin that is produced by the bacterium Clostridium botulinum. This bacterium produces an exotoxin which is highly toxic for the synaptic ends of the nerves where it blocks the release of acetylcholine which is a chemical necessary for the transmission of nerve impulse across the synapses.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 2

Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is

[1998, 2000]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 2

HIV is a spherical , enveloped virus of about 90-120 nm diameter. Its nucleocapsid is icosahedral and its genome consists of a single-stranded RNA filament segmented into two identical filaments and associated with a "reverse transcriptase enzyme".

Test: Health And Disease 4 - From Past 28 Years Questions - Question 3

The use of Cannabis products (bhang, ganja, charas, marijuana or hashish) causes

[1997]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 3

Tranquillizers bring about depression of brain activity and feeling of calmness. Stimulants stimulate the nervous system, and increase alertness  and activity. Hallucinogens (Cannabis products) alters thoughts, perceptions and feelings.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 4

Which one of the following is an opiate narcotic?

[1997]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 4

Opiate Narcotics are opium and its derivatives which suppress brain activity and relieve pain. Also called pain killers. These are extracted from unripe capsules of poppy plant (Papaver somniferum). eg. Morphin, Heroin.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 5

If a certain person shows production of interferons in his body, the chances are that he has got an infection of

[1997]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 5

Interferons are produced in response to viral infections. Typhoid and tetanus are bacterial diseases. Malaria is caused by a protozoan. Measles is a viral disease.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 6

Which one of the following diseases is now considered nearly eradicated from India ?

[1997]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 6

Small pox, caused by Variola virus, is an acute highly communicable disease which has been irradicated not only from India but from the whole world.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 7

Diptheria is caused by

[1997]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 7

diptheria is a highly infectious disease caused by Cornybacterium diptheriae which  liberates soluble toxin. The toxin affects nerves and cause double vision, difficulty in swallowing and paralysis of breathing muscles and limbs.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 8

Which of the following symptoms indicate radiation sickness?

[1997]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 8

Exposure to radiation results in the following immediate effects :
(i) Change in cell metabolism
(ii) Crystallization of haemoglobin
(iii) Breakdown of RBCs
(iv) Loss of hair, nails
(v) Impairment of vision and damage of different tissues

Test: Health And Disease 4 - From Past 28 Years Questions - Question 9

Chemically an antibody is a

[1996, 99]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 9

Antibodies are specific proteins synthesized by the host in response to an antigen. All antibody molecules are immunoglobulins.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 10

Passive immunity was discovered by

[1996]

Test: Health And Disease 4 - From Past 28 Years Questions - Question 11

Retroviruses are implicated as a cause for cancer in humans because they

[1996]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 11

Cancer is initiated when the inactive protooncogenes are activated to cellular oncogenes which trigger uncontrolled cell multiplication.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 12

In which one of the following pairs of diseases both are caused by viruses ?

[1996]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 12

Tetanus  and typhoid are caused by bacteria.
Whooping cough is caused by bacteria. Sleeping sickness is caused by parasitic  flees.
Syphilis is caused by bacteria while AIdS is final stage of HIV viral disease.
Measles and Rabies are caused by virus.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 13

Hypersensitivity to an allergen is associated with

[1996]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 13

Allergy means all kinds of untoward reactions manifested in the body due to hypersensitivity of substances called allergens. Allergy reactions occur due to liberation of histamine by tissue cells.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 14

Which one of the following is an Indian medicinal plant ?

[1996]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 14

Rauwolfia ser pentina belong to family Apocynaceae, its roots yield a chemical useful for high blood pressure.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 15

The alkaloid ajmalicine is obtained from

[1995]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 15

Sarpgandha botanically  known as Rauwolfia serpentina belongs to family Apocyanceae. Its tuberous roots are used as medicines. Ajmalicin is isolated from Sarpgandha.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 16

Which of the following diseases is due to an allergic reaction?

[1995]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 16

Hay fever is due to some fungal spores sensitivity, which is an allergic disease with symptoms of bronchial asthma and skin rash and also with increase in eosinophil (white cells) of blood.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 17

Which of the following pair is not correctly matched?

[1995]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 17

‘Syphilis-Trichuris tichiura’ is not correctly matched, because syphilis is caused by Treponema pallidium bacteria.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 18

Sarcoma is cancer of

[1994]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 18

Sarcoma is a cancer of the connective or supportive tissue (bone, cartilage, fat, muscle, blood vessels) and soft tissue.The term comes from a Greek word meaning ‘fleshy growth’. Bone tumors are also called sarcomas, but are in a separate category because they have different clinical and microscopic characteristics and are treated differently. Osteogenic sarcoma or osteosarcoma is one of the most common childhood bone cancers. Soft tissue sarcomas are more common in adults than in children.
In all, sarcomas constitute fewer than 1% of all cancers. Its treatment is made more difficult with the existence of more than 70 varieties. Gastrointestinal stromal tumor (GIST) is the most common form of sarcoma, with approximately 3000-3500 cases per year in the United States.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 19

A sexually transmitted disease caused by bacteria is

[1994]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 19

Syphilis – T. pallidum

Test: Health And Disease 4 - From Past 28 Years Questions - Question 20

Which one of the sexually transmitted diseases is correctly matched with its pathogen?

[1994]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 20

Syphilis – T. pallidum

Test: Health And Disease 4 - From Past 28 Years Questions - Question 21

Obstacle to large scale transplantation of organs is

[1994]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 21

The major obstacle in transplantation of organs is that the recipient body does not accept the donor’s organ. The body defence mechanism reject & treat the transplanted organ as a foreign particle and reacts actively.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 22

A cell coded protein formed in response to infection with most animal viruses is

[1994]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 22

A special defence system works specially against viral infection. It has no effect on micro-organism. Cells invaded by a virus produce an antiviral protein called interferon (IFN). The latter is released from the infected cell and on reaching the nearby non-infected cells it makes them resistant to the virus infection.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 23

Opiate narcotic is

[1993]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 23

Heroin is an opiate narcotic (opium derivative) Chemically it is diacetylmorphine.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 24

Cells involved in immune mechanism are

[1993]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 24

Lymphocytes are the part of specific defence system called immune system.

Test: Health And Disease 4 - From Past 28 Years Questions - Question 25

Analgesic drugs

[1990]

Detailed Solution for Test: Health And Disease 4 - From Past 28 Years Questions - Question 25

Analgesic drugs relieve pain e g. Ibrufene.

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