Which statement is wrong for viruses?
1. All are parasites
2. All of them have helical symmetry
3. They have the ability to synthesize nucleic acids and proteins
4. Antibiotics have no effect on them
Nuclear membrane is absent in:
1. Penicillium
2. Agaricus
3. Volvox
4. Nostoc
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 algae and a protozoan |
3. | Yeast is used in making bread and brew is a fungus |
4. | Nostoc and Anabaena are examples of Protista |
Maximum nutritional diversity is found in the group:
1. Fungi
2. Animalia
3. Monera
4. Plantae
Single-celled eukaryotes are included in:
1. Protista
2. Fungi
3. Archaea
4. Monera
1. Escherichia coli
2. Euglena viridis
3. Amoeba proteus
4. Paramecium caudatum
Virus envelope is known as:
1. capsid
2. virion
3. nucleoprotein
4. core
Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups called:
1. eubacteria and archaea
2. cyanobateria and diatoms
3. protists and mosses
4. liverworts and yeasts