It is my great pleasure to approach to you with this blog " ZOOLOGY". In this blog i have tried to eliminate all the problems  that students face during the study of zoology basically, on the contents of levels of understanding.This blog is written according to the latest syllabus of Higher Secondary Eduction Board, Nepal.














I have modified the matters to the new HSEB question pattern and valuable suggestion of teachers and students in this site.
I believe that students will feel easy  to understand the contents of this blog.The illustration and chart are included adequately.

I hope, this blog will fulfill all the requirements for students.I will be truly thankful for healthy comments.
 Biology

There are plenty of plants and animals found on the earth. The study of life and living things, both plants and animals is called Biology (Gr. bios=life, logos=discourse or knowledge) .biology is a science devoted to study of living organism. Science has progressed by breaking down complex subject of study into their componet part. Today there are numerous branches of biology. Some of them are Morphology, Anatomy, Cytology, Genetics taxonomy, ecology, physiology and histology.

The major contributions in the development of biology were made by Hippocrates(460-320BC), Aristotle(384-322BC), Theophrastus(370-285 BC), Robert Hooke (1635-1703 BC), carlous linnaeous (1707-1778AD), Charles Darwin(1809-1822 AD), Mendel(1822-1844 AD) and many other biologists.

1. Lamarck and Treviranus (1802)
2. Aristotle is the father of zoology.
3. Theophrastus is the father of botany.
4. Hippocrates is the father of medicine.
5. Ampedocles is the father  concept of  organic evolution.

Name of the branches	Deals with
Morphology	Study of external feature of organism.
Anatomy	Study of internal structure of organism as seen by naked eyes.
Histology	Study of structure and function of tissues.
Cytology	Study of structure and function of tissue.
Genetics	Study of hereditary characters and their inheritance.
Ecology	Study of relationships between living organism and environment.
Embryology	Study of formations and development of embryo up to hatching and birth.
Evolution	Study of origin of life and evolution to modern plants and animals.
Physiology	Study of life process in animals and plants.
Taxonomy	Study of classification of organism and its principles.
Pathology	Study of diseases caused by organism.
Microbiology	Study of micro-organism or microbes.
Biochemistry	Study of chemistry of living organism.
Biotechnology	Techniques of using organism to modify the organism and their products for human benefits.
Genetic engineering	Study for production desirable genotypes by synthesis and combination of different genes.
Limnology	Study of freshwater and their inhabitants.

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