Membrane-bound organelles are absent in

(1) Saccharomyces

(2) Streptococcus

(3) Chlamydomonas

(4) Plasmodium

Subtopic:  Kingdom Monera: Introduction |
 63%
NEET - 2010
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Virus envelope is known as

(1) capsid

(2) virion

(3) nucleoprotein

(4) core

Subtopic:  Virus, Viroids & Prions |
 88%
From NCERT
NEET - 2010
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Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups called

(1) eubacteria and archaea

(2) cyanobacteria and diatoms

(3) protists and mosses

(4) liverworts and yeasts

Subtopic:  Kingdom Monera: Bacterial Classification |
 89%
NEET - 2010
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Infectious proteins are present in

(1) gemini viruses

(2) prions

(3) viroids

(4) satellite viruses

Subtopic:  Virus, Viroids & Prions |
 73%
From NCERT
NEET - 2010
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Oxygenic photosynthesis occurs in

(1) Chromatium

(2) Oscillatoria

(3) Rhodospirillum

(4) Chlorobium

Subtopic:  Kingdom Monera: Blue Green Algae |
 57%
NEET - 2009
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Which one is the wrong pairing for the disease and its causal organism?

(1) late blight of potato-Alternaria solani

(2) Black rust of wheat-Puccinia graminis

(3) Loose smut of wheat-Ustilago nuda

(4) Root-knot of vegetables-Meloidogyne sp.

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 51%
NEET - 2009
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T. O. Diener discovered a

(1) free infectious RNA

(2) free infectious DNA

(3) infectious protein

(4) bacteriophage

Subtopic:  Virus, Viroids & Prions |
 80%
From NCERT
NEET - 2009
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Modern detergents contain enzyme preparations of

(1) acidophiles

(2) alkaliphiles

(3) thermoacidophiles

(4) thermophiles

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 57%
NEET - 2008
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Bacterial leaf blight of rice is caused by a species of

(1) Xanthomonas

(2) Pseudomonas

(3) Alternaria

(4) Erwinia

Subtopic:  Kingdom Monera: Bacterial Classification |
NEET - 2008
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In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statement is true about archaea?

(1) Archaea resemble eukarya in all respects

(2) Archaea have some novel features that are absent in other prokaryotes and eukaryotes

(3) Archaea completely differ from both prokaryotes and eukaryotes

(4) Archaea completely differ from prokaryotes

Subtopic:  Kingdom Monera: Bacterial Classification |
 73%
NEET - 2008
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