Grade 08 Micro Organisms

Grade 08 Micro Organisms

Revision Test.

Multiple Choice

What type of microscope is needed to see micro organisms?

• Simple microscope

• Compound microscope

• Electron Microscope

• None of the aboce

Multiple Choice

Who discovered Micro organisms?

• Antonie von Leeuwenboek

• Antonie von Leeuwenheok

• Antonie von Leeuwenhoek

• Atonie von Franceiousis

Multiple Choice

When were micro organisms discovered?

• 1673

• 1674

• 1675

• 1676

Multiple Choice

Can bacteria be unicellular?

• Yes

• No

Multiple Choice

Which micro organism can do photosynthesis?

• Fungi

• Bacteira

• Algae

• Ameoba

Multiple Choice

The food needs to be high in which nutrient for fermentation to happen?

• Fats

• Protien

• Oils

• Carbohydrates

Multiple Choice

Which Micro organisms causes bread to rise?

• Yeast

• Agar

• Lactobacillus

• Streptococcus

Multiple Choice

Agar is used using which micro organism?

• Alage

• Ameoba

• Bacteria

• Fungi

Multiple Choice

Oxidation of food rich in fats is called?

• Fermentation

• Decaying

• Rancidification

• Putrefaction

Multiple Choice

What is the correct factor that contributes to microbial activity?

• High Temperature

• High Humidity

• Low Humidity

• Low Temperature

Multiple Choice

Select a disease not caused by micro organisms in plants

• Blight

• Mosaic Disease

• Curly Leaf Disease

• None of the above

Multiple Choice

Select the correct conversion that takes place during fermentation

• Sugar to Glycol

• Glycol to Sugar

• Ethanol to Sugar

• Sugar to Ethanol

Multiple Choice

Humaid says that micro organisms do not cause any effects to his clothes. Is his statement true or false?

• True

• False

Multiple Choice

Bajitha, a student mentions that the following are the disadvantages of micro organisms. Which is not a disadvantage?

• Food Spoilage

• Decaying of Wood

• Forming of Mildew

• Producing antibiotics