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Q. No.State the following given statements either as true (T) or false (F) with respect to cancer.
Select an appropriate option:
| (A) | Non-ionizing radiations like X-rays and \(\gamma\)-rays cause DNA damage leading to neoplastic transformation. |
| (B) | MRI plays a significant role in detecting cancers of internal organs. |
| (C) | Cellular oncogenes are inactivated under UV-rays leading to oncogenic transformation of cells. |
| (A) | (B) | (C) | |
| 1. | F | T | T |
| 2. | F | F | T |
| 3. | F | T | F |
| 4. | T | F | F |
Subtopic: Cancer |
64%
From NCERT
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Consider the given four statements and select the option containing the two correct ones out of these.
(a) Avirulent live bacteria cannot be used for preparation of vaccines against plague.
(b) Interferons are synthesized in response to viruses.
(c) A metastatic cancerous tumour is termed ‘sarcoma’ if the disorder is in fibroblasts.
(d) Alzheimer disease in humans is associated with the deficiency of glutamic acid.
The two correct statements are:
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (c)
(a) Avirulent live bacteria cannot be used for preparation of vaccines against plague.
(b) Interferons are synthesized in response to viruses.
(c) A metastatic cancerous tumour is termed ‘sarcoma’ if the disorder is in fibroblasts.
(d) Alzheimer disease in humans is associated with the deficiency of glutamic acid.
The two correct statements are:
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. (a) and (c)
Subtopic: Introduction | Details of Immunity | Cancer |
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How many of the changes given below are indicative of metastatic tumor?
(a) Loss of contact inhibition
(b) Destruction of telomerase inhibitors
(c) Less production of telomerase
(d) Inactivation of proto-oncogenes
1. Four
2. Three
3. Two
4. One
(a) Loss of contact inhibition
(b) Destruction of telomerase inhibitors
(c) Less production of telomerase
(d) Inactivation of proto-oncogenes
1. Four
2. Three
3. Two
4. One
Subtopic: Cancer |
From NCERT
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Assertion(A): Cancer is contagious and cells can spread from one person to other.
Reason(R): Cancerous cells are highly differentiated cells.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason(R): Cancerous cells are highly differentiated cells.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Introduction | Cancer |
80%
From NCERT
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