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Q. No.Common cold:
1.
is caused by a bacterium
2.
affects lungs very early in the disease
3.
is not transmitted by droplets resulting from the cough or sneezes of
an infected person
4.
can be transmitted through contaminated objects such as
pens, books, cups, doorknobs, computer keyboard or mouse, etc.
an infected person
pens, books, cups, doorknobs, computer keyboard or mouse, etc.
Subtopic: Common Cold & Malaria Introduction |
91%
From NCERT
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The given figure shows the chemical structure of a commonly abused drug. This drug:
| 1. | causes hallucinations in low doses |
| 2. | is derived from the Indian hemp plant |
| 3. | is sometimes clinically used as a pain killer |
| 4. | is a CNS stimulant |
Subtopic: Drugs & Alcohol Abuse |
78%
From NCERT
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Symptoms like constipation, abdominal pain and cramps, stools with excess mucous and blood clots are commonly seen in:
1. Amoebic dysentery
2. Ascariasis
3. Typhoid
4. Cholera
1. Amoebic dysentery
2. Ascariasis
3. Typhoid
4. Cholera
Subtopic: Amoebiasis |
81%
From NCERT
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The T-cells:
I: themselves do not secrete antibodies
II: help B cells to produce antibodies
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: themselves do not secrete antibodies
II: help B cells to produce antibodies
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Details of Immunity |
91%
From NCERT
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The first form of milk produced by the mammary glands of humans immediately following delivery of the newborn is rich in:
1. IgA antibodies
2. IgG antibodies
3. IgM antibodies
4. IgE antibodies
Subtopic: Active & Passive Immunity |
93%
From NCERT
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Opportunistic infections like tuberculosis and toxoplasmosis are seen in HIV positive patients when:
| 1. | The B – lymphocyte counts becomes excessive |
| 2. | The phagocytic cells stop functioning |
| 3. | The T helper cell count gets very low |
| 4. | The body starts making a large number of antibodies against HIV |
Subtopic: AIDS |
94%
From NCERT
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The fungal Genus not responsible for causing ringworm in humans will be:
1. Microsporum
2. Trichophyton
3. Epidermophyton
4. Trichoderma
1. Microsporum
2. Trichophyton
3. Epidermophyton
4. Trichoderma
Subtopic: Fungal Infection & Concept of Immunity |
86%
From NCERT
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Which of the following vaccines has been produced by recombinant DNA technology?
1. Oral polio vaccine
2. Bacillus Calmette–Guérin vaccine
3. DPT vaccine
4. Hepatitis B vaccine
Subtopic: Active & Passive Immunity |
84%
From NCERT
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The abuse of anabolic steroids by human males can lead to the development of all the following except:
| 1. | A decrease in the size of prostate gland |
| 2. | depression |
| 3. | decreased sperm production |
| 4. | kidney and liver dysfunction |
Subtopic: Drugs & Alcohol Abuse |
57%
From NCERT
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Subtopic: Typhoid Fever |
97%
From NCERT
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