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Q. No.Among rust, smut and mushroom, two of them
(1) are pathogens
(2) are saprobes
(3) bear ascocarps
(4) bear basidiocarps
Difficulty Level:
Which of the following is correct match?
|
|
Disease |
Pathogen |
|
(1) |
Wilt disease |
Synchytrium |
|
(2) |
Citrus canker |
Xanthomonas |
|
(3) |
Red rot of sugarcane |
Ustilago |
|
(4) |
Powdery mildew |
Fusarium |
Difficulty Level:
Which one of the following pairs is not correctly matched?
|
(1) |
Streptomyces |
- Antibiotic |
|
(2) |
Serratia |
- Drug addiction |
|
(3) |
Spirulina |
- Single cell protein |
|
(4) |
Rhizobium |
- Biofertilizer |
Difficulty Level:
The outermost limiting layer of mycoplasma is made up of
(1) cell wall
(2) cell membrane
(3) mucilaginous sheath
(4) slime layer
Difficulty Level:
By all of the following ways bacteria become resistant to antibiotic except
(1) making enzymes that inactivate the drug
(2) becoming impermeable to the drug
(3) modifying the target of the drug
(4) moving away from the drug.
Difficulty Level:
Protista differs from monera in having
(1) cell wall
(2) autotrophic nutrition
(3) flagella
(4) nuclear membrane
Difficulty Level:
Which of the following is correct?
(1) All fungi are filamentous.
(2) Transfer of DNA from one bacteria to another bacteria cannot take place.
(3) Virus cannot have both DNA and RNA.
(4) Protists reproduce asexually only.
Difficulty Level:
Kingdom Animalia is characterised by
(1) direct dependence on autotrophs
(2) indirect dependence on autotrophs
(3) absence of chlorophyll
(4) absence of cell wall
Difficulty Level:
The genetic material in tobacco mosaic virus is
(1) ss DNA
(2) ss RNA
(3) ds RNA
(4) ds DNA
Difficulty Level:
Yeast is not included in protozoans but in fungi because
(1) it has chlorophyll
(2) it shows saprotrophic mode of nutrition
(3) it has eukaryotic organisation
(4) cell wall is made up of cellulose and reserve food material as starch.
Difficulty Level:
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