Biology Notes For Class 12

BIOLOGY XII

As biology is the most important subject for the students of Pre-Medical that’s why they need to get better test scores in the subject. The annual exams of XII class biology also include the subjective and objective just like the other subject exams.

What is Biology?

Biology is the natural science that studies of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution.

Biology is derived from the greek words “bios” meaning ‘life’ and “logos” meaning ‘study’ and is defined as the life science and living organisms. An organism is a living entity consisting of one cell e.g. several cells or bacteria, animals, plants and fungi.

Why it is an Important Subject?

Biology is important subject to everyday life because it allows humans to better understand their bodies, their resources and potential threats in the environment.  The knowledge has gained through biology has promoted an understanding of how to grow plants, manage soil quality and conserve forests and other flora. Biology is the study of all living things, so it helps people to understand every organism alive, from the smallest bacteria to blue whales. Farmers rearing livestock as a result of animal husbandry and growing high-yield and disease-resistant crops are further examples of how biology is used in everyday life.

Biology and its branches;
For further understandings, Biology is further divided into various branches like Ecology, Embryology, Physiology, Zology, External Morphology, Internal Morphology or Anatomy, Histology, Evolution, Genetics etc…Options include: biophysics, cell and molecular biology, computational biology and evolution, environmental biology, forensic biology, genetics, marine biology, microbiology, molecular bio-sciences, natural science, neurobiology and many others.

Download Biology Notes for Class 12

XII Biology Mcqs Karachi Board – Preparation
XII Biology Mcqs Karachi Board – Online Test