B.Sc Third year Syllabus

1. Toxicology
Definition
Concept of Environmental Toxicology
Dr.Asmita Daspute.
Assistant Professor
Dept. of Environmental Science
SBES College of Science Aurangabad

2. Defination

3. Concept
Rachel Carson considered the mother of environmental toxicology, as she made it a
distinct field within toxicology in 1962 with the publication of her book Silent Spring,
which covered the effects of uncontrolled pesticide use.
Carson's book was based extensively on a series of reports by Lucille Farrier Stickel on the
ecological effects of the pesticide DDT.

4.  Harmful effects of such chemical and biological agents as toxicants
from pollutants, insecticides, pesticides, and fertilizers can affect an
organism and its community by reducing its species diversity and
abundance.
 Such changes in population dynamics affect the ecosystem by reducing its
productivity and stability.

8. Classification of toxic substances
 Toxic substances in general way can be classified as Solid, Liquid or gaseous depending on
their physical state.
 Toxic materials are classified in to 5 categories as under
 1. Toxic gases ( Co, H2S, Nox, So2, CH4 etc.)
 2. Inorganic poisons
 3.Organic poisons
 4. Nonvolatile and Non alkaloidal poisons
 5. Toxins

9. . Toxic gases
Carbon di oxide:

11. Carbon monoxide

12. Hydrogen Sulphide

14.  Two type of Inorganic poisons
 a) Corrosive
b) Metals and their salts

15. Metals and their salts

20. Metals and their salts

22. Organic poisons

24. Non volatile and Non Alkaloide poisons
 It includes
 Hypnotics: Sulphanol, barbital, phenobarbital
 Aromatics: Naptha, Salicilic acid, Picric acid , Tolene
 Glucosides: Digitatis, Cannabis indica
 Purgatives: Croton oil. Caster oil etc.
 Essential Oils: Terpentine

26. Toxins

27. Toxin
Phytotoxin
Ricin, crotin,
abrin
Bacterial toxin
Phyto and
zootoxin
Zootoxone
Venoms
Snake,
spiderscorpion
Toxin

29. Phytotoxin

36. Bacterial Toxin
 https://youtu.be/mjm5mjBVceo