BIO320 Tutorial Week 5

Select the advantage of bacteria in our ecosystem.

• the use of Lactobacillus in production of beverages

• the occurrence of Rhizobium in the root nodule of plants

• the production of antibiotic from Streptomycetes

• genetic engineering of bacteria in the production of biological molecules

Choose the mode of reproduction which start with the formation of new cell wall within the cell wall.

• Binary fission

• Budding

• Fragmentation

• Multiple fission

Indicate the group which contain mostly with parasitic and pathogenic bacteria.

• Photoautotrophic bacteria

• Chemoautotrophic bacteria

• Photoheterotrophic bacteria

• Chemoheterotrophic bacteria

Which of the following answer is not included in the characteristic of Protista?

• Biological organization limit to cellular level

• Habitats restricted to aquatic environment

• mixture between prokaryotic aand eukaryotic cells

• unicellular and multicellular

The biodiversity in the Kingdom of Protista arises due to the following reasons except

• locomotion

• habitat

• mode of nutrition

• growth pattern

The group of animal-like protist is called (a)   .

Indicate the unique characteristic of the given species.

• the presence of pseudopodia

• the shell composed of CaCO₃

• habitat at marine ecosystem

• eukaryotic organism

Name the group of protist with autotrophic lifestyle and contains unicellular or multicellular organism.

• Algae

• Protozoa

• Molds

• Plantae

Indicate the composition in the shell of an actinopod.

• Calcium carbonate

• Silica

• Cellulose

• Chitin

Symbiotic zooflagellate is represented by (a)   .