Micro organisms

Give an example for unicellular algae

• Spirogyra

• Mucor

• Diatoms

• Ulva

What is the bacteria uesd to fix nitrogen in soil

• Lactobacillus bulgaricus

• Rhizobium

• Mushroom

• Yeast

Which is not a beneficial effect of micro organisms

• Gene technology

• Producing compost

• Food spoilage

• Producing bio gas

Choose the answer which contains only vaccines made from weakened microbes

• Polio, Influenza

• Typhoid, Tetanus

• Measles, Influenza

• Polio, Tuberculosis

What is the disease caused by micro organisms to the plant shown in figure

• Late blight

• Powdery meldew disease

• Leaf curled disease

• Covid 19

Micro organisms that has potential to caused to disease is..

• Host

• Vector

• Pathogen

Micro organisms that has potential to caused to disease is..

• Host

• Vector

• Pathogen

Pectin is a chemical substance among fibres of plant.

• True

• False

What is the process of extracting metals from ores with ase of micro organisms

Not an example for antibiotics

• Amoxicillin

• Penicillin

• Tetanus

• Gri seofulvin