Which statement is wrong for viruses?

(1) All are parasites

(2) All of them have helical symmetry

(3) They have ability to synthesize nucleic acids and proteins with the help of host cell 

(4) Antibiotics have no effect on them

Subtopic:  Virus, Viroids & Prions |
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Nuclear membrane is absent in

(1) Penicillium

(2) Agaricus

(3) Volvox

(4) Nostoc

Subtopic:  Kingdom Monera: Introduction |
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Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?

(1) Paramecium and Plasmodium belong to the same kingdom as that of Penicillium

(2) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan

(3) Yeast used in making bread and beer is a fungus

(4) Nostoc and Anabaena are examples of Protista

Subtopic:  Kingdom Fungi: Ascomycetes |
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Maximum nutritional diversity is found in the group

(1) Fungi

(2) Animalia

(3) Monera

(4) Plantae

Subtopic:  Kingdom Monera: Introduction |
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Organisms called Methanogens are most abundant in a

(1) cattle yard

(2) polluted stream

(3) hot spring

(4) sulphur rock

Subtopic:  Kingdom Monera: Bacterial Classification |
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Which one of the following organisms is not an example of eukaryotic cells?

(1) Escherichia coli

(2) Euglena viridis

(3) Amoeba proteus

(4) Paramecium caudatum

Subtopic:  Kingdom Monera: Introduction |
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Which one of the following is wrongly matched?

(1)

Puccinia      

– Smut

(2)

Root

– Exarch protoxylem

(3)

Cassia

– Imbricate aestivation

(4)  

Root pressure  

– Guttation

Subtopic:  Kingdom Fungi: Basidomycetes |
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Single-celled eukaryotes are included in 

(a) Protista                   (b) Fungi

(c) Archaea                  (d) Monera

Subtopic:  Kingdom Protista: Introduction |
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Membrane-bound organelles are absent in

(1) Saccharomyces

(2) Streptococcus

(3) Chlamydomonas

(4) Plasmodium

Subtopic:  Kingdom Monera: Introduction |
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Virus envelope is known as

(1) capsid

(2) virion

(3) nucleoprotein

(4) core

Subtopic:  Virus, Viroids & Prions |
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