Maximum nutritional diversity is found in the group
(1) Fungi
(2) Animalia
(3) Monera
(4) Plantae
Organisms called Methanogens are most abundant in a
(1) cattle yard
(2) polluted stream
(3) hot spring
(4) sulphur rock
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
Which one of the following is wrongly matched?
1. | Puccinia | Smut |
2. | Root | Exarch protoxylem |
3. | Cassia | Imbricate aestivation |
4. | Root pressure | Guttation |
Single-celled eukaryotes are included in
1. | Protista | 2. | Fungi |
3. | Archaea | 4. | Monera |
Infectious proteins are present in
(1) gemini viruses
(2) prions
(3) viroids
(4) satellite viruses
T. O. Diener discovered a
(1) free infectious RNA
(2) free infectious DNA
(3) infectious protein
(4) bacteriophage
Cell wall is absent in
(1) Aspergillus
(2) Funaria
(3) Mycoplasma
(4) Nostoc
Which of the following shows coiled RNA strand and capsomeres?
(1) Polio virus
(2) Tobacco mosaic virus
(3) Measles virus
(4) Retrovirus
Viruses have
(1) DNA enclosed in a protein coat
(2) prokaryotic nucleus
(3) single chromosome
(4) Both DNA and RNA