Q. No.
The chief producers in the oceans are:
1.
Floating hydrophytes
2.
Blue green algae
3.
Desmids
4.
Diatoms
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The correct chronology of the steps seen in the sexual cycle in fungi will be:
1. Plasmogamy – Karyogamy – Meiosis in zygote
2. Karyogamy – Plasmogamy – Meiosis in zygote
3. Plasmogamy – Meiosis in zygote – Karyogamy
4. Karyogamy – Meiosis in zygote – Plasmogamy
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Deuteromycetes are also called as Fungi imperfecti because:
1. They do not have a thalloid body
2. They can contain chlorophyll
3. There are no parasitic members
4. Sexual phases are not known
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A ‘dikaryon’ stage is seen in the members of:
1. Ascomycetes and Phycomycetes
2. Ascomycetes and Basidiomycetes
3. Basidiomycetes and Phycomycetes
4. Basidiomycetes and Deuteromycetes
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Consider the following two statements:
I. Lichens are very good pollution indicators
II. In the presence of pollution, the lichens show profuse growth
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
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Alternaria, Colletotrichum and Trichoderma belong to the class:
| 1. | Phycomycetes | 2. | Ascomycetes |
| 3. | Basidiomycetes | 4. | Deuteromycetes |
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In general, the viruses that infect plants have:
| 1. | Single stranded RNA | 2. | Single stranded DNA |
| 3. | Double stranded RNA | 4. | Double stranded DNA |
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The basis of classification for the division of Kingdom Fungi into various classes includes all the following except:
1. Morphology of the mycelium
2. Mode of spore formation
3. Types of pigments present
4. Fruiting bodies
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Which of the following viruses has both DNA and RNA as its genetic material?
| 1. | Retroviruses | 2. | Bacteriophages |
| 3. | Plant viruses | 4. | None |
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Match each item in Column I with one in Column II and choose the correct answer from the codes given:
|
Column I |
Column II |
|
A. Mucor |
a. Pin mould |
|
B. Rhizopus |
b. Bread mould |
|
C. Albugo |
c. White rust |
|
D. Pythium |
d. Damping-off of seedlings |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | c | d |
| 3. | a | b | d | c |
| 4. | b | a | d | c |
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