Hello everyone, In this presentation the division and branches of biology has been discussed. I hope every thing will be clear to you. Thank you for watching

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CHAPTER #01
INTRODUCTION TO BIOLOGY
LECTURE#01
INTRODUCTION TO BIOLOGY

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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY
Science
Biology
Divisions of Biology
Branches of Biology

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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY
Definition:
Science is the study in
which observations are
made,experiments are done
and logical conclusions are
drawn in order to
understand the principles of
nature.
Science

4. 1.1 Introduction To Biology
‘bios’ meaning ‘life’
and
‘logos’ meaning
‘thought or
reasoning’. 4
Biology (Definition):
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY
Biology is the scientific study of life.
The word “biology” has been derived from two
words;

5. ZOOLOGY
BOTANY
1.1.1 Divisions of Biology
MICROBIOLOGY
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

6. Zoology
This division of biology deals
with the study of animals.
Botany
This division of biology deals
with the study of plants.
This division of biology deals
with the study of micro-
organisms such as bacteria.
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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY
1.1.1 Divisions of Biology

7. 1.1.1 Branches of Biology
-Morphology -Paleontology
-Anatomy -Environmental Biology
-Histology -Sociobiology
-Cell Biology -Parasitology
-Physiology -Entomology
-Genetics -Pharmacology
-Embryology -Biotechnology
-Taxonomy -Immunology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

8. 1.1.1 Branches of Biology
Morphology
This branch deals with the
study of form and structures
of living organisms
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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

9. 1.1.1 Branches of Biology
Anatomy
The study of internal structures is
called anatomy.
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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

10. 1.1.1 Branches of Biology
Histology
The microscopic study of tissues is called histology.
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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

11. 1.1.1 Branches of Biology
Cell Biology:
The study of the structures and functions of cells and cell
organelles is called cell biology. This branch also deals
with the study of cell division.
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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

12. 1.1.1 Branches of Biology
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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY
Cell Biology:
The study of the structures and functions of cells and cell
organelles is called cell biology. This branch also deals
with the study of cell division.

13. 1.1.1 Branches of Biology
Physiology:
This branch deals with the study of the functions of different
parts of living organisms.
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CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

14. Genetics
The study of genes and their roles in inheritance
is called genetics. Inheritance means the
transmission of characters from one generation to
the other.
1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

15. Embryology
It is the study of the development of an
embryo to new individual.
1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

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1.1.1 Branches of Biology
Palaeontology
It is the study of fossils, which are the remains of extinct
organisms.
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

17. Taxonomy
It is the study of the naming and classification of organisms into
groups and subgroups.
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1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

18. Environmental biology
It deals with the study of the interactions between the
organisms and their environment.
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1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

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1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY
Socio-biology
This branch deals with the study of
social behaviour of the animals that
make societies
Parasitology:
This branch deals with the study of
parasites.

20. Entomology
It is the study of insects.
1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

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Pharmacology
It is the study of drugs and their
effects on the systems of human
body.
Biotechnology:
It deals with the practical application
of living organisms to make
substances for the welfare of
mankind.
1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

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1.1.1 Branches of Biology
Molecular Biology:
Molecular biology (biochemistry) deals with the study of the
molecules of life; e.g. water,proteins, carbohydrates, lipids,
and nucleic acids.
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

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Socio-biology
This branch deals with the study of
social behaviour of the animals that
make societies
Parasitology:
This branch deals with the study of
parasites.
1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

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Immunology
It is the study of the immune system of animals.
1.1.1 Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY

25. Summary
1. Science
2. Biology
3. Division of Biology
-Morphology -Paleontology
-Anatomy -Environmental Biology
-Histology -Sociolbiology
-Cell Biology -Parasitology
-Physiology -Entomology
-Genetics -Pharmacology
-Embryology -Biotechnology
-Taxonomy -Immunology
4. Branches of Biology
CLASS 9TH BIOLOGY- CHAPTER - INTRODUCTION TO BIOLOGY