Question

Tick the correct statement.

• A. The blood group O contains no antibodies.
• B. ECG records the electric wave of the brain
  
• C. Cuticle is a dead cell that protects the inner cells from the germs.
• D. Alexander Fleming discovered the first antibiotic.

Answer 1

The correct option is D Alexander Fleming discovered the first antibiotic.

• Alexander Fleming discovered the first antibiotics.
• The blood group O contains anti-a & anti-b.
• Cuticle is the external layer of the epidermis of leaves.
• ECG records the electric wave of heart.