English Version HSC Biology Note

English Version HSC Biology Note. Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, identification and taxonomy. Biology, defined as the scientific study of life, is an incredibly broad and diverse field. In many ways, it’s as kaleidoscopic and rich as living organisms … Read more

Last Updated: November 22, 2020 at 8:18 pm

HSC Biology 2nd Paper Note 12th Chapter Animal behavior

HSC Biology 2nd Paper Note 12th Chapter Animal behavior. Why do praying mantises to display a unique mating system, called sexual cannibalism, where a member of a male-female pair kills and consumes the other during courtship or copulation? At the end of every summer, why do more than 100 million monarch butterflies sweep across North … Read more

Last Updated: March 22, 2026 at 8:30 pm

HSC Biology 2nd Paper Note 10th Chapter Defence System of Human Body

HSC Biology 2nd Paper Note 10th Chapter Defence System of Human Body. The first parts of the general defense system are real barriers that stop the pathogens from entering the body. These barriers try to stop all pathogens, therefore, they are considered non-specific defenses. The physical barriers of our general defense system consisting of: The Skin- This was … Read more

Last Updated: March 22, 2026 at 8:29 pm

HSC Biology 2nd Paper Note 9th Chapter Continuation of Human Life

HSC Biology 2nd Paper Note 9th Chapter Continuation of Human Life.  The question of the meaning of life gets inevitably raised before any person who matures in his or her development, moving up from the instinctive-reflexive stage to the real human one, at which the intellect begins to dominate in choosing one’s way of living and … Read more

Last Updated: March 22, 2026 at 8:29 pm

HSC Biology 2nd Paper Note 7th Chapter Human Physiology: Locomotion and Body movement

HSC Biology 2nd Paper Note 7th Chapter Human Physiology: Locomotion and Body movement. A cheetah chasing prey. In its brief hunting sprints, it is the fastest of all land animals. Animal locomotion, in ethology, is any of a variety of movements or methods that animals use to move from one place to another. Some modes of locomotion … Read more

Last Updated: March 22, 2026 at 8:29 pm

HSC Biology Note

HSC Biology Note. Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, identification and taxonomy. Biology, defined as the scientific study of life, is an incredibly broad and diverse field. In many ways, it’s as kaleidoscopic and rich as living organisms themselves. Biologists … Read more

Last Updated: January 24, 2020 at 12:03 pm