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Q. No.
Assertion (A):
Plant and animal kingdoms have been constant under all different classification systems.
Reason (R):
The understanding of what groups/organisms are included under these kingdoms have been changing over the time.
Choices for Assertions and reasons:
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.
(A) is False but (R) is True.
| Assertion (A): | Plant and animal kingdoms have been constant under all different classification systems. |
| Reason (R): | The understanding of what groups/organisms are included under these kingdoms have been changing over the time. |
| 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. | (A) is False but (R) is True. |
Subtopic: Â Different Classification Systems |
 52%
Level 3: 35%-60%
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Assertion(A): Kingdom Protista has brought together Chlamydomonas, Chlorella with Paramoecium and Amoeba.
Reason(R): The criteria of classification got changed over the time.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): The criteria of classification got changed over the time.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Â Different Classification Systems |
 64%
Level 2: 60%+
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Assertion(A): Fungi are saprophytes.
Reason(R): They are heterotrophic and absorb soluble inorganic matter from dead substrates.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): They are heterotrophic and absorb soluble inorganic matter from dead substrates.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Â Kingdom Fungi: Introduction |
Level 3: 35%-60%
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Assertion(A): Ciliated protozoans are passively moving aquatic organisms.
Reason(R): They have a cavity (gullet) that opens to the outside of the cell surface.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): They have a cavity (gullet) that opens to the outside of the cell surface.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Â Protozoa |
 51%
Level 3: 35%-60%
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Assertion(A): Deuteromycetes are called imperfect fungi.
Reason(R): These fungi undergo only asexual form of reproduction.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): These fungi undergo only asexual form of reproduction.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Â Kingdom Fungi: Deuteromycetes |
Level 4: Below 35%
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Assertion(A): Viruses are smaller than bacteria.
Reason(R): Viruses pass through bacteria-proof filters.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): Viruses pass through bacteria-proof filters.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Â Virus, Viroids & Prions |
Level 4: Below 35%
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Assertion(A): The RNA of the viroid is of low molecular weight.
Reason(R): This RNA is able to cause neurological diseases in humans.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): This RNA is able to cause neurological diseases in humans.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Â Virus, Viroids & Prions |
 63%
Level 2: 60%+
Hints
Assertion(A): Archaebacteria are special bacteria.
Reason(R): They live in harsh habitats.
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. (A) is false, but (R) is true.
Reason(R): They live in harsh habitats.
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. (A) is false, but (R) is true.
Subtopic: Â Kingdom Monera: Bacterial Classification |
 81%
Level 1: 80%+
Hints
Assertion(A): The two kingdom classification used for a long time was found inadequate.
Reason(R): This system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organisms and photosynthetic (green algae) and non-photosynthetic (fungi) organisms.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): This system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organisms and photosynthetic (green algae) and non-photosynthetic (fungi) organisms.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Â Different Classification Systems |
 92%
Level 1: 80%+
Hints
Match the bacteria in Column I with its shape in Column II and select the correct option from the codes given below:
| COLUMN I | COLUMN II | ||
| A. | Bacillus | a. | Rod |
| B. | Coccus | b. | Spherical |
| C. | Spirilla | c. | Spiral |
| D. | Vibrio | d. | Comma |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | c | d |
| 3. | a | d | c | b |
| 4. | b | a | d | c |
Subtopic: Â Kingdom Monera: Bacterial Classification |
 92%
Level 1: 80%+
Hints
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