Select Chapter Topics:
Q. No.How many of the given pairs are correctly matched for Basidiomycetes?
A.
Basidium
Bears spores
B.
Basidiospores
Asexual Spores
C.
Basidiocarp
Fruiting body
1. 0
2. 1
3. 2
4. 3
Subtopic: Kingdom Fungi: Basidomycetes |
62%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Viruses are obligate cellular endoparasites. |
| Statement II: | Once they infect a cell they take over the machinery of the host cell to replicate themselves, killing the host. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Virus, Viroids & Prions |
65%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
How many of the given statements regarding viruses are correct?
| I: | No virus contains both RNA and DNA. |
| II: | A virus is a nucleoprotein and the genetic material is infectious. |
| III: | In general, viruses that infect plants have single stranded RNA. |
| IV: | Bacterial viruses or bacteriophages (viruses that infect the bacteria) are usually double stranded DNA viruses. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Virus, Viroids & Prions |
78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In plants, the common symptoms of viral infection can be all the following except:
1. mosaic formation
2. leaf rolling and curling
3. yellowing and vein clearing
4. smuts and rusts
1. mosaic formation
2. leaf rolling and curling
3. yellowing and vein clearing
4. smuts and rusts
Subtopic: Kingdom Fungi: Basidomycetes |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements regarding viroids:
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: | Viroids were discovered by Thomas Cech in 1998. |
| II: | The RNA of the viroid is of a very high molecular weight. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Virus, Viroids & Prions |
86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | The algal component in lichen is known as phycobiont and fungal component as mycobiont, which are autotrophic and heterotrophic, respectively. |
| Statement II: | Lichens are very good pollution indicators – they grow profusely in polluted areas. |
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Mycorrhiza |
81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
71%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.