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Q. No.The correct chronological sequence [beginning from the earliest] with respect to fungal sexual cycle will be:
1. Karyogamy, Plasmogamy and Meiosis
2. Meiosis, Plasmogamy and Karyogamy
3. Plasmogamy, Karyogamy and Meiosis
4. Meiosis, Karyogamy and Plasmogamy
1. Karyogamy, Plasmogamy and Meiosis
2. Meiosis, Plasmogamy and Karyogamy
3. Plasmogamy, Karyogamy and Meiosis
4. Meiosis, Karyogamy and Plasmogamy
Subtopic: Kingdom Fungi: Sexual Reproduction in Fungi |
85%
From NCERT
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In the given diagram showing filamentous Nostoc, the structure marked as A:
| 1. | is a resting spore |
| 2. | is involved in nitrogen fixation |
| 3. | is gas vacuole |
| 4. | is where carbon dioxide concentration mechanism is applied |
Subtopic: Kingdom Monera: Bacterial Classification |
95%
From NCERT
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Consider the two given statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
| Statement I: | Association between mycobiont and phycobiont is found in Lichens. |
| Statement II: | An association between roots of higher plants and fungi is called mycorrhiza. |
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
Subtopic: Mycorrhiza | Lichens |
91%
From NCERT
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A unicellular organism shows:
This organism must be classified under:
| I: | Eukaryotic cell type |
| II: | Absent cell wall |
| III: | Capability to act as a heterotroph when deprived of sunlight |
| 1. | Kingdom Monera, as a mycoplasma |
| 2. | Kingdom Protista, as a euglenoid |
| 3. | Kingdom Protista, as a dinoflagellate |
| 4. | Kingdom Animalia, as a sponge |
Subtopic: Kingdom Protista: Euglenoids |
91%
From NCERT
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After karyogamy followed by meiosis, spores are produced endogenously in:
1. Neurospora
2. Alternaria
3. Agaricus
4. Colletotrichum
1. Neurospora
2. Alternaria
3. Agaricus
4. Colletotrichum
Subtopic: Kingdom Fungi: Introduction | Kingdom Fungi: Ascomycetes |
70%
From NCERT
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Given below are two statements:
| Assertion (A): | The two kingdom classification used for a long time was found inadequate |
| Reason (R): | A large number of organisms did not fall into either category of plants or animals in two kingdom classification of Linnaeus |
| 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: Different Classification Systems |
88%
From NCERT
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Given below are two statements:
| Assertion (A): | The cell walls of diatoms are indestructible |
| Reason (R): | In diatoms, cell walls are embedded with silica |
| 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: Kingdom Protista: Chrysophytes |
78%
From NCERT
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| Assertion (A): | Diatoms leave behind large amount of cell wall deposits in their habitat, which gets accumulated over billions of years |
| Reason (R): | -Silicious cell walls in diatoms are indestructible |
| 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: Kingdom Protista: Chrysophytes |
83%
From NCERT
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Given below are two statements:
| Assertion (A): | Infectious agent discovered by T.O. Diener, lack protein coat that is found in viruses |
| Reason (R): | Viroids have RNA of low molecular weight |
| 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: Virus, Viroids & Prions |
73%
From NCERT
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Given below are two statements:
| Assertion (A): | Deuteromycetes are commonly known as imperfect fungi |
| Reason (R): | Sexual reproduction is absent in the members of the deuteromycetes |
| 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: Kingdom Fungi: Deuteromycetes |
From NCERT
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