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Q. No.Consider the given two statements:
Assertion(A):
Diatoms have left behind large amount of cell wall deposits in their habitat.
Reason(R):
Diatoms are the chief ‘producers’ in the oceans.
1.
Both (A) and (R) are True and (R) explains (A)
2.
Both (A) and (R) are True and (R) does not explain (A)
3.
(A) is True but (R) is False
4.
(A) is False but (R) is True
Subtopic: Kingdom Protista: Chrysophytes |
70%
Level 2: 60%+
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The organism shown in the given figure is a/an:
| 1. | Archaebacterium | 2. | Chrysophyte |
| 3. | Dinoflagellate | 4. | Blue green laga |
Subtopic: Kingdom Protista: Dinoflagellates |
92%
Level 1: 80%+
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Slime moulds:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | under unfavourable conditions, they form an aggregation called plasmodium which may grow and spread over several feet. |
| II: | during suitable conditions, the plasmodium differentiates and forms fruiting bodies bearing spores at their tips. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Kingdom Protista: Slime Moulds |
56%
Level 3: 35%-60%
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African sleeping sickness is caused by an infection with:
| 1. | a dsDNA virus | 2. | a gran negative bacterium |
| 3. | a flagellated protozoan | 4. | a fungus |
Subtopic: Protozoa |
93%
Level 1: 80%+
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What will not be true for members of Kingdom Fungi?
| 1. | The fungi are heterotrophic organisms. |
| 2. | Fungi are cosmopolitan and occur in air, water, soil and on animals and plants. |
| 3. | They prefer to grow in warm and humid places. |
| 4. | None of the members is unicellular. |
Subtopic: Kingdom Fungi: Introduction |
91%
Level 1: 80%+
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Regarding the structural organisation of fungi:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | Their bodies consist of long, slender thread-like structures called hyphae. |
| II: | The network of hyphae is known as mycelium. |
| III: | Some hyphae are continuous tubes filled with multinucleated cytoplasm – these are called coenocytic hyphae. |
| IV: | The cell walls of fungi are composed of chitin and polysaccharides. |
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Kingdom Fungi: Introduction |
91%
Level 1: 80%+
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The correct chronological steps [earliest to last] in the sexual cycle of fungi are:
| 1. | Plasmogamy – Karyogamy – Mitosis in zygote resulting in diploid spores |
| 2. | Plasmogamy – Karyogamy – Meiosis in zygote resulting in haploid spores |
| 3. | Karyogamy – Plasmogamy – Mitosis in zygote resulting in diploid spores |
| 4. | Karyogamy – Plasmogamy – Meiosis in zygote resulting in haploid spores |
Subtopic: Kingdom Fungi: Introduction |
83%
Level 1: 80%+
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The dikaryon is a nuclear feature that is unique to certain fungi including the members of class:
1. I and II only
2. I and IV only
3. II and III only
4. II and IV only
| I. | Phycomycetes |
| II. | Ascomycetes |
| III. | Deuteromycetes |
| IV. | Basidiomycetes |
1. I and II only
2. I and IV only
3. II and III only
4. II and IV only
Subtopic: Kingdom Fungi: Introduction |
85%
Level 1: 80%+
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The asexual spores in Ascomycetes:
| I: | are called conidia. |
| II: | are produced endogenously |
| 1. | Only I is correct | 2. | Only II is correct |
| 3. | Both I and II are correct | 4. | Both I and II are incorrect |
Subtopic: Kingdom Fungi: Ascomycetes |
72%
Level 2: 60%+
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How many of the given pairs are correctly matched for Basidiomycetes?
1. 0
2. 1
3. 2
4. 3
| A. | Basidium | Bears spores |
| B. | Basidiospores | Asexual Spores |
| C. | Basidiocarp | Fruiting body |
2. 1
3. 2
4. 3
Subtopic: Kingdom Fungi: Basidomycetes |
62%
Level 2: 60%+
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