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Q. No.Specialized cells for fixing atmospheric nitrogen in Nostoc are:
1. Heterocysts
2. Hormogonia
3. Nodules
4. Akinetes
Subtopic: Kingdom Monera: Bacterial Classification |
96%
From NCERT
NEET - 2013
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Which one of the following is true for fungi?
1. They lack a rigid cell wall
2. They are heterotrophs
3. They lack nuclear membrane
4. They are phagotrophs
1. They lack a rigid cell wall
2. They are heterotrophs
3. They lack nuclear membrane
4. They are phagotrophs
Subtopic: Kingdom Fungi: Introduction |
79%
From NCERT
NEET - 2013
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Whittaker proposed an elaborate five kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. Which of the following pairs is correctly matched?
| 1. | Monera | All members have a cell wall |
| 2. | Protista | All members are photosynthetic |
| 3. | Fungi | All members are heterotrophs |
| 4. | Animalia | All members reproduce only sexually |
Subtopic: Different Classification Systems |
70%
From NCERT
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A fungus frequently used as a model organism for analytical studies in genetics is:
1. Saccharomyces cerevisiae
2. Monascus purpureus
3. Phytophthora infestans
4. Neurospora crassa
1. Saccharomyces cerevisiae
2. Monascus purpureus
3. Phytophthora infestans
4. Neurospora crassa
Subtopic: Kingdom Fungi: Ascomycetes |
83%
From NCERT
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Lichen can be symbiotic association between fungi (mostly ascomycetes and basidiomycetes) and
A: Algae (usually green)
B: Cyanobacteria
1. Only A
2. Only B
3. Either A or B
4. Neither A nor B
A: Algae (usually green)
B: Cyanobacteria
1. Only A
2. Only B
3. Either A or B
4. Neither A nor B
Subtopic: Lichens |
From NCERT
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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: Virus, Viroids & Prions |
From NCERT
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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: Virus, Viroids & Prions |
62%
From NCERT
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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: Kingdom Monera: Bacterial Classification |
79%
From NCERT
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Assertion(A): Viruses are not considered truly living.
Reason(R): Viruses did not find a place in the classification.
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: Virus, Viroids & Prions |
68%
From NCERT
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Assertion (A): The most extensive metabolic diversely is observed in organism having incipient nucleus.
Reason (R): Nucleus in multicellular organism inhibits some metabolic diversity
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): Nucleus in multicellular organism inhibits some metabolic diversity
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 Monera: Bacterial Classification |
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