- 1(current)
Q. No.Cancer is :
| 1. | a disease caused by DNA viruses |
| 2. | caused by the multiplicity of virulent infections |
| 3. | a genetic disease caused by multiple mutational events |
| 4. | a hazard due to the occupation of an individual |
Subtopic: Cancer |
61%
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Cancer cells exhibit:
| 1. | Contact inhibition | 2. | Low division rate |
| 3. | Metastasis | 4. | High degree of differentiation |
Subtopic: Cancer |
80%
From NCERT
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Metastasis shown by malignant tumors:
| 1. | is due to contact inhibition exhibited by cells. |
| 2. | causes cells to remain undifferentiated. |
| 3. | makes cancer cells susceptible to be killed by radiation. |
| 4. | can start secondary tumors at distant sites in the body. |
Subtopic: Cancer |
82%
From NCERT
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Cancer causing genes are called:
| 1. | structural genes | 2. | expressor genes |
| 3. | oncogenes | 4. | regulatory genes |
Subtopic: Cancer |
96%
From NCERT
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A tumor that invades surrounding tissues is usually capable of producing metastases, may recur after attempted removal, and is likely to cause death unless adequately treated. Such a tumor is called a:
| 1. | Benign tumor | 2. | Malignant tumor |
| 3. | Teratoma | 4. | Secondary tumor |
Subtopic: Cancer |
94%
From NCERT
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A normal cellular gene which when altered by mutation can contribute to cancer is called:
| 1. | Oncogene | 2. | V – Onc |
| 3. | Neoplastic gene | 4. | Proto-oncogene |
Subtopic: Cancer |
65%
From NCERT
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Cancer detection is mainly based on:
| 1. | Radiography | 2. | Ultrasonography |
| 3. | Magnetic resonance imaging | 4. | Histopathology |
Subtopic: Cancer |
56%
From NCERT
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Regarding carcinogens:
1. Only I is correct
2. Only II and III are correct
3. Only III is correct
4. I, II, and III are correct
| I: | Almost all carcinogens are mutagens. |
| II: | X-rays and Gamma rays are non-ionising. |
| III: | UV rays are ionising radiations. |
1. Only I is correct
2. Only II and III are correct
3. Only III is correct
4. I, II, and III are correct
Subtopic: Cancer |
72%
From NCERT
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | Early detection of cancer is essential for a favourable prognosis. |
| Reason (R): | Early detection allows the disease to be treated successfully in many cases. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are False. |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are True but (R) does not explain (A). |
Subtopic: Cancer |
90%
From NCERT
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Identify the incorrect statement:
| 1. | Leukaemias are diagnosed by blood and bone marrow tests. |
| 2. | CT scan uses X rays. |
| 3. | MRI uses ionising radiation and strong magnetic fields. |
| 4. | Antibodies against cancer-specific antigens can be used for the detection of certain cancers. |
Subtopic: Cancer |
70%
From NCERT
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- 1(current)
Q. No.
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