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?

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

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