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Q. No.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
Subtopic: Cancer |
From NCERT
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Consider the statements given below
Select the option including correct statements only:
1. (a), (b) and (c) only
2. (a), (c) and (d) only
3. (b), (c) and (d) only
4. (a), (b), (c) and (d)
| (a) | An antitoxin provides active immunity |
| (b) | Vaccine against whooping cough is an example of killed bacterial vaccine |
| (c) | Hepatitis B vaccine has been produced by recombinant DNA technology |
| (d) | Performed antibodies are required to treat the bite of a viper snake |
1. (a), (b) and (c) only
2. (a), (c) and (d) only
3. (b), (c) and (d) only
4. (a), (b), (c) and (d)
Subtopic: Active & Passive Immunity |
74%
From NCERT
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Read statements A and B carefully and select the correct option:
Statement A: Each antibody has antigen-binding sites at its N-terminals.
Statement B: Each molecule of a monomeric antibody contains 4 interchain disulphide bonds.
1. Both statements (A) and (B) are incorrect.
2. Both Statements (A) and (B) are correct.
3. Only statement (A) is correct.
4. Only statement (B) is correct.
Statement A: Each antibody has antigen-binding sites at its N-terminals.
Statement B: Each molecule of a monomeric antibody contains 4 interchain disulphide bonds.
1. Both statements (A) and (B) are incorrect.
2. Both Statements (A) and (B) are correct.
3. Only statement (A) is correct.
4. Only statement (B) is correct.
Subtopic: Active & Passive Immunity |
65%
From NCERT
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| Assertion (A): | Colostrum is important for the immunity of new-borns as it protects them against infections |
| Reason (R): | Colostrum is rich in immunoglobin (IgA) |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A) |
| 3. | (A) is true, (R) is false |
| 4. | (A) is false, (R) is true |
Subtopic: Active & Passive Immunity |
93%
From NCERT
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Read the given statements and select the option with only correct statements
1. a and b only
2. a and d only
3. a, c and d only
4. a, b, c and d
| a. | Ascariasis is caused by intestinal roundworm |
| b. | Pathogens of ascariasis and amoebiasis belong to the same order |
| c. | Musca domestica acts as mechanical carrier of Entamoeba |
| d. | Parasites of ascariasis and amoebiasis transmits through faeco oral route |
2. a and d only
3. a, c and d only
4. a, b, c and d
Subtopic: Amoebiasis | Ascariasis & Filariasis |
68%
From NCERT
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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 |
63%
From NCERT
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Read statements A and B and select the correct option:
1. Statements A and B are correct
2. Statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
| Statement A: | Injection of dead/inactivated pathogens causes passive immunity. |
| Statement B: | Preformed antibodies need to be injected to treat the bite of a viper snake. |
2. Statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
Subtopic: Active & Passive Immunity |
59%
From NCERT
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Match List-I with List-II:
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (iv) (ii) (i) (iii)
3. (iii) (i) (iv) (ii)
4. (iii) (iv) (i) (ii)
| List-I | List-II | ||
| a. | Typhoid | (i) | Streptococcus pneumoniae |
| b. | Pneumonia | (ii) | Plasmodium falciparum |
| c. | Ringworm | (iii) | Salmonella typhi |
| d. | Malignant malaria | (iv) | Microsporum |
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (iv) (ii) (i) (iii)
3. (iii) (i) (iv) (ii)
4. (iii) (iv) (i) (ii)
Subtopic: Typhoid Fever | Common Cold & Malaria Introduction | Ascariasis & Filariasis | Fungal Infection & Concept of Immunity |
96%
From NCERT
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Select the examples of active immunity.
a. Immunoglobulin transmitted through mother’s milk
b Immunoglobulin injected in a patient
c. Attenuated pathogens introduced in the body
d. Administration of anti-venom
1. a, b, c and d
2. a, b and d
3. a and d only
4. c only
a. Immunoglobulin transmitted through mother’s milk
b Immunoglobulin injected in a patient
c. Attenuated pathogens introduced in the body
d. Administration of anti-venom
1. a, b, c and d
2. a, b and d
3. a and d only
4. c only
Subtopic: Active & Passive Immunity |
81%
From NCERT
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Match column-I with column-II and find the correct match
1. a-iv, b-iii, c-ii, d-i
2. a-iv, b-iii, d-i, c-ii
3. b-iii, c-ii, d-iv, a-i
4. b-iii, c-i, d-ii, a-iv
| Column-I | Column-II | ||
| a. | Physical barrier | (i) | Interferons |
| b. | Physiological barrier | (ii) | Polymorpho-nuclear leukocytes |
| c. | Cellular barrier | (iii) | Acid in stomach |
| d. | Cytokine | (iv) | Mucus lining of urogenital tract |
1. a-iv, b-iii, c-ii, d-i
2. a-iv, b-iii, d-i, c-ii
3. b-iii, c-ii, d-iv, a-i
4. b-iii, c-i, d-ii, a-iv
Subtopic: Fungal Infection & Concept of Immunity |
87%
From NCERT
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