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Q. No.Select incorrect statement w.r.t. T4 bacteriophages
1. Have polygonal prismatic head
2. Motile organisms
3. Six tail fibres
4. ds-DNA as the genetic material
Subtopic: Virus, Viroids & Prions |
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Subtopic: Virus, Viroids & Prions |
65%
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Infectious RNA particles without protein coat
1. Have high molecular weight
2. Were discovered by Alper
3. Known to cause disease in plants
4. More than one option is correct
1. Have high molecular weight
2. Were discovered by Alper
3. Known to cause disease in plants
4. More than one option is correct
Subtopic: Virus, Viroids & Prions |
80%
From NCERT
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Mark the odd one (w.r.t. prions)
1. CJD disease
2. Mad cow disease
3. Potato leaf roll
4. Scrapie disease
2. Mad cow disease
3. Potato leaf roll
4. Scrapie disease
Subtopic: Virus, Viroids & Prions |
74%
From NCERT
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Mode of nutrition in members of a kingdom which includes all prokaryotes can be
1. Photosynthetic
2. Chemosynthetic
3. Parasitic
4. Saprophytic
1. Photosynthetic
2. Chemosynthetic
3. Parasitic
4. Saprophytic
Subtopic: Kingdom Monera: Bacterial Classification |
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Methanogens are responsible for production of biogas and they are
1. Obligate aerobes
2. Obligate anaerobes
3. Facultative aerobes
4. Facultative anaerobes
1. Obligate aerobes
2. Obligate anaerobes
3. Facultative aerobes
4. Facultative anaerobes
Subtopic: Kingdom Monera: Bacterial Classification |
65%
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Read the following statements about photosynthesis.
a. Water is not the source of electrons.
b. Does not involve splitting of water.
c. Anoxygenic photosynthesis. Above features are related with
1. Nostoc
a. Water is not the source of electrons.
b. Does not involve splitting of water.
c. Anoxygenic photosynthesis. Above features are related with
1. Nostoc
2. Anabaena
3. Chlorobium
4. Higher plants
3. Chlorobium
4. Higher plants
Subtopic: Kingdom Monera: Introduction |
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Select the true features for Mycoplasma
a. Protoplasmic matrix contains 70 s type of ribosomes.
b. Are obligate aerobes.
c. Insensitive to penicillin.
d. Mostly parasitic.
1. (a)&(b)
2. (b) & (c)
3. (a), (c) & (d)
4. (a), (b) & (c)
a. Protoplasmic matrix contains 70 s type of ribosomes.
b. Are obligate aerobes.
c. Insensitive to penicillin.
d. Mostly parasitic.
1. (a)&(b)
2. (b) & (c)
3. (a), (c) & (d)
4. (a), (b) & (c)
Subtopic: Kingdom Monera: Actinomycetes & Mycoplasma |
75%
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Select the mismatched option
| 1 | Euglena | : | Mixotrophic nutrition |
| 2 | Trypanosoma | : | Sleeping sickness |
| 3 | Gonyaulax | : | Red tides |
| 4 | Aspergillus | : | Wall-less |
Subtopic: Kingdom Protista: Euglenoids |
85%
From NCERT
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In five kingdom system of classification how many kingdoms include organisms with only photosynthetic mode of nutrition?
1. One
2. Two
3. Four
4. Three
1. One
2. Two
3. Four
4. Three
Subtopic: Different Classification Systems |
62%
From NCERT
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