B1 2013 June Flashcards
(5 cards)
1
Q
Reasons for the low death rate from infectious diseases in modern hospitals?
A
Knowledge of immunity, sterilising of equipment, new drugs.
2
Q
Name a plant hormone?
A
Auxin.
3
Q
What is a drug?
A
Substance that affects chemical reactions in the body.
4
Q
Why do most scientists accept Darwin’s theory?
A
Mechanism of inheritance discovered.
5
Q
Why do mineral ions increase when animals die?
A
The breakdown of organisms.
