Bioprocess Lecture-3

Which of the following describes the reproduction method of bacteria?

• Sporulation

• Binary fission

• Budding

• Conjugation

Gram-positive bacteria retain the color of which dye after the Gram reaction test?

• violet

• blue

• yellow

• red

Yeasts belong to which group of organisms?

• Algae

• Fungi

• Bacteria

• Protozoa

In the process of budding in yeasts, what happens?

• The yeast splits into two.

• A small offspring grows on the parent cell.

• It undergoes sexual fusion.

• The yeast forms a protective spore.

The highly branched structure of molds is called:

• Hyphae

• Mycelium

• Spore

• Endospore

Aspergillus niger is primarily known for producing

• • Ethanol

• • Lactic acid

• • Citric acid

• • Methanol

Which of the following is NOT a characteristic of Euglena?

• • Flagella for movement

• • Contains chlorophyll

• • Has a light-sensitive eyespot

• • Has a rigid wall

Diatoms are known for having skeletons that are:

• • Organic-based

• • Calcium-based

• Silica-impregnated

• Chitin-based

Which of the following diseases is caused by a type of protozoa?

• • A) Tuberculosis

• • B) African sleeping sickness

• • C) Influenza

• • D) Asthma

Established or permanent cell lines refer to:

• A) Cells that can be passaged indefinitely

• B) Cells that last only for a short duration

• C) Cells that can produce any biochemical product

• D) Cells derived only from human tissues