Bacteria
Fungi
Vaccine
Disease: Spread & Prevention
100

Lactobacilli convert this sugar present in milk into lactic acid.

Lactose

100

Yeast produces this gas during fermentation, causing bread dough to rise.

Carbon dioxide

100

Which Fungi is Penicillin obtained from?

Penicillium

100

Diseases spread through mosquito bites

Dengue, Malaria

200

Rhizobium lives in these structures on the roots of leguminous

root nodules

200

This process carried out by yeast converts sugar into alcohol and carbon dioxide

fermentation

200

One precaution to be taken when taking penicillin

Allergic Reaction

200

Diseases that can spread from one person to another are called this.

communicable diseases

300

Rhizobium and leguminous plants show this type of relationship, in which both organisms benefit.

Symbiotic

300

What is the process of bread production?

mixing ingredients → kneading → fermentation → baking

300

Explain why antibiotics should not be taken unnecessarily or without medical advice.

antibiotic resistance

300

Causes of Cholera and Typhoid

contaminated water

400

What is nitrogen fixation in exchange for food and shelter?

A farmer grows leguminous crops in nitrogen-poor soil. Explain how Rhizobium helps the plant and how the plant benefits Rhizobium.

400

A baker adds yeast to dough but keeps it in a very cold place. Predict what will happen to the dough and explain why.

The dough will not rise and will remain flat. Yeast needs warmth to become active.

400

Penicillin is used to treat diseases caused by these microorganisms.


  • Streptococci: Causes strep throat, scarlet fever, and pneumonia.
  • Staphylococci: Causes specific skin and soft-tissue infections (when susceptible).


400

modes of infection and the preventive measures against fungal diseases.

Shared items

  • Keep skin dry: Wash regularly and dry skin completely, especially in folds.
  • Do not share items: Avoid sharing towels, clothes, or shoes.
  • Wear protection: Use sandals in public showers and gloves when gardening.
  • Choose breathable clothes: Wear loose cotton fabrics to reduce sweat and moisture. [1, 2, 3, 4, 5]