Q. No.In general, the viruses that infect plants have:
1.
Single stranded RNA
2.
Single stranded DNA
3.
Double stranded RNA
4.
Double stranded DNA
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
Which of the following viruses has both DNA and RNA as its genetic material?
| 1. | Retroviruses | 2. | Bacteriophages |
| 3. | Plant viruses | 4. | None |
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 |
Morels and truffles are edible fungi belonging to the class:
| 1. | Phycomycetes | 2. | Ascomycetes |
| 3. | Basidiomycetes | 4. | Deuteromycetes |
A fungus used extensively in biochemical and genetic work is:
| 1. | Neurospora | 2. | Trichoderma |
| 3. | Paecilomyces | 4. | Streptomyces |
A symbiotic relation between fungi and the roots of higher plants is called as:
| 1. | Lichen | 2. | Mycorrhiza |
| 3. | Amensal | 4. | Proto-cooperation |
The disease caused by prions in humans is known as:
1. Bovine spongiform encephalopathy
2. Scrapie
3. CJD [Creutzfeldt Jakob Disease]
4. Infectious mononucleosis
In the Two Kingdom classification, the Kingdom Plantae was erroneous with some major issues that include:
| I: | Placing bacteria and blue green algae with eukaryotic groups |
| II: | Grouping together the unicellular organisms with multicellular ones |
| III: | Placing heterotrophic fungi with autotrophic plants |
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
Ergot fungus that can be a source for the hallucinogen LSD is:
1. Phytophthorainfestans
2. Alternariasolani
3. Claviceps purpura
4. Neurosporacrassa
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