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Q. No.Read the statements given below with respect to disease-causing microbes.
a.
All parasites are pathogens as they cause harm to the host.
b.
Pathogens have to adapt to life within the environment of the host.
c.
Pathogen of dysentery lives in the gut of host organism.
d.
Pathogens can enter human body by various means causing functional damage but do not interferes with normal vital activities.
Select the option that contains correct statements:
1. (a) and (b) only
2. (b) and (c) only
3. (a), (b) and (d) only
4. (a), (b), (c) and (d)
Subtopic: Introduction |
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Read the statements given below with respect to common cold.
a. Infection by Rhino virus is the reason for it
b. Infects the nose and respiratory passage except lungs
c. Usually last for 3-7 days
d. Can transmit through sharing of contaminated objects such as pens, books etc.
e. Can be treated by antibiotics as they kill viruses
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
a. Infection by Rhino virus is the reason for it
b. Infects the nose and respiratory passage except lungs
c. Usually last for 3-7 days
d. Can transmit through sharing of contaminated objects such as pens, books etc.
e. Can be treated by antibiotics as they kill viruses
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
Subtopic: Common Cold & Malaria Introduction |
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Read the statements A and B carefully 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): | Among non-infectious diseases, cancer is the major cause of death all over the globe. |
| Statement (B): | Malignant malaria caused by Plasmodium malariae is the most serious one. |
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
Subtopic: Common Cold & Malaria Introduction |
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From NCERT
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Match column I with column II with respect to diseases and their symptoms or characteristics.
Select the correct option.
1. a(iii), b(i), c(iv), d(ii)
2. a(ii), b(i), c(iv), d(iii)
3. a(iii), b(i), c(ii), d(iv)
4. a(ii), b(iv), c(i), d(iii)
| Column -I | Column -II |
| a.Pneumonia | (i) Constipation, abdominal pain, stools with excess mucous and blood clots |
| b.Amoebiasis | (ii) Infection occurs in conducting part of human respiratory system |
| c. Ascariasis | (iii) Infection occurs in gaseous exchange part of human respiratory system |
| d. Common cold |
(iv) Internal bleeding, fever, anaemia, blockage of intestinal passage |
Select the correct option.
1. a(iii), b(i), c(iv), d(ii)
2. a(ii), b(i), c(iv), d(iii)
3. a(iii), b(i), c(ii), d(iv)
4. a(ii), b(iv), c(i), d(iii)
Subtopic: Pneumonia & Related Questions | Common Cold & Malaria Introduction | Amoebiasis | Ascariasis & Filariasis |
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Read the statements given below carefully with respect to ringworm:
Select the correct option.
| (a) | It is one of the most common non-infectious diseases in man. |
| (b) | Neurospora belongs to the same kingdom to which the organisms causing ringworm infection belong. |
| (c) | Heat and moisture helps the infection to spread. |
Select the correct option.
| 1. | Statements (a) and (b) are correct while statement (c) is incorrect. |
| 2. | Statements (b) and (c) are correct while statement (a) is incorrect. |
| 3. | Statements (a) and (c) are correct while statement (b) is incorrect. |
| 4. | Statements (a), (b) and (c) are correct. |
Subtopic: Fungal Infection & Concept of Immunity |
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Read statements A and B carefully and select the correct option.
1. Both statements A and B are correct
2. Only statement A is correct
3. Only statement B is correct
4. Both statements A and B are incorrect
| Statement A: | Haemophilus influenza infects the alveoli of lungs as a result of which the alveoli gets filled with fluid. |
| Statement B: | Rhinovirus infection leads to common cold affecting the alveoli. |
1. Both statements A and B are correct
2. Only statement A is correct
3. Only statement B is correct
4. Both statements A and B are incorrect
Subtopic: Pneumonia & Related Questions | Common Cold & Malaria Introduction |
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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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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 |
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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 |
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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%
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