An example of colonial alga is

• Chlorella

• Volvox

• Ulothrix

• Spirogyra

Nomenclature is governed by certain universal rules. Which one of the following is contrary to the rules of nomenclature?

• The first word in biological name represents the genus name and the second is a specific epithet

• The names are written in Latin and are Italicised

• When written by hand, the names are to be underlined

• Biological names can be written in any language

Select the mismatch :

• Frankia – Alnus

• Rhodospirillum – Mycorrhiza

• Anabaena – Nitrogen fixer

• Rhizobium – Alfalfa

Spliceosomes are not found in cells of

• Plants

• Animals

• Fungi

• Bacteria

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

• Bacillus

• Pseudomonas

• Mycoplasma

• Nostoc