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Q. No.The fungal class ascomycetes does not include:
1. Morels and truffles
2. Neurospora and Claviceps
3. Aspergillus, Saccharomyces
4. Puff balls and smuts
Subtopic: Kingdom Fungi: Ascomycetes |
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In basidiomycetes:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | The sex organs are absent, but plasmogamy is brought about by fusion of two vegetative or somatic cells of different strains or genotypes. |
| Statement II: | The basidiospores are exogenously produced on the basidium. |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Kingdom Fungi: Basidomycetes |
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An example of a parasitic plant will be:
1. Venus flytrap
2. Bladderwort
3. Cuscuta
4. Pitcher plant
1. Venus flytrap
2. Bladderwort
3. Cuscuta
4. Pitcher plant
Subtopic: Kingdom: Plantae |
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Identify the correct statement regarding the given figure:
| 1. | A is a plant pathogen and has single stranded RNA as its genetic material; B infects bacteria and usually has double stranded DNA as its genetic material. |
| 2. | A is an animal pathogen and has double stranded RNA as its genetic material; B infects bacteria and usually has double stranded DNA as its genetic material. |
| 3. | A infects bacteria and usually has double stranded DNA as its genetic material; B is a plant pathogen and has single stranded RNA as its genetic material. |
| 4. | A is a plant pathogen and has single stranded RNA as its genetic material; B infects bacteria and usually has single stranded RNA as its genetic material. |
Subtopic: Virus, Viroids & Prions |
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Capsid of a virus:
| 1. | protects the genetic material. |
| 2. | is infectious. |
| 3. | is composed of capsomeres made up of complex polysaccharides. |
| 4. | is a nucleoprotein. |
Subtopic: Virus, Viroids & Prions |
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The three-domain system has also been proposed that divides Kingdom Monera into two domains that separates:
| 1. | Autotrophic bacteria and Heterotrophic bacteria |
| 2. | Bacteria with a cell wall and Bacteria that lack a cell wall |
| 3. | Archaebacteria and Eubacteria |
| 4. | Pathogenic and Non-pathogenic bacteria |
Subtopic: Different Classification Systems |
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Study the Assertion statement followed by the Reason statement given below:
| Assertion(A): | Paramoecium and Amoeba, which were earlier placed in the animal kingdom which lack cell wall, are placed under Kingdom Protista in Whittaker’s Classification. |
| Reason(R): | The unicellular eukaryotic organisms are placed in Kingdom Protista in Whittaker’s Classification. |
| 1. | (A) is true and (R) is false. |
| 2. | Both (A) and (R) are true and (R) is a correct explanation of (A). |
| 3. | Both (A) and (R) are true but (R) is not a correct explanation of (A). |
| 4. | (A) is false and (R) is true. |
Subtopic: Different Classification Systems |
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Deuteromycetes are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known. What can be the possible reason(s) of unawareness of sexual phases in these fungi?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Sexual phases are yet to be discovered. |
| II: | The asexual and vegetative stage have been given one name (and placed under deuteromycetes) and the sexual stage another (and placed under another class). |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Kingdom Fungi: Deuteromycetes |
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Viruses are not considered truly ‘living’, if we understand living as those organisms that:
| 1. | have an inert crystalline structure outside the living cell. |
| 2. | once infect a cell, take over the machinery of the host cell to replicate themselves. |
| 3. | have a cell structure. |
| 4. | have double stranded DNA as their genetic material. |
Subtopic: Virus, Viroids & Prions |
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Study the Assertion statement followed by the Reason statement given below:
| Assertion (A): | Lichens are very good pollution indicators. |
| Reason (R): | They grow profusely in polluted areas. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Lichens |
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