EV HSC Biology II 5th Chapter MCQ Question Answer. Human Respiratory Process and Respiration. The primary organs of the respiratory system are the lungs, which function to take in oxygen and expel carbon dioxide as we breathe. The gas exchange process is performed by the lungs and respiratory system. Air, a mix of oxygen and other … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Biology II 4th Chapter MCQ Question Answer. Human Blood and Circulation. Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. In vertebrates, it is composed of blood cells suspended in blood … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Biology II 3rd Chapter MCQ Question Answer. Human Digestion and Absorption. Human digestive system, the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract or the series of structures and organs through which food and liquids pass during their processing into … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Biology II 2nd Chapter MCQ Question Answer. Animal’s Identity. In contrast to the other orienting perspectives employed by sociologists, symbolic interactionism emphasizes the subjectivity of human social actors. We operate within the context of “webs of meaning” (Geertz 1973) created and transmitted in the course of social interaction; the “reality” shaping and sustaining social … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Biology 2 MCQ Question Answer 2021. HSC Question patterns suggestion and the question were distributed by the Board of Intermediate and Secondary Education, Dhaka. The Board of Intermediate and Secondary Education, Dhaka is an independent organization, accountable for the property of two public examinations (SSC & HSC) and credit of the newly created … Read more
Last Updated: November 10, 2020 at 5:05 pm
EV HSC Biology 2 1st Chapter MCQ Question Answer. Animal diversity and Classification. Animal evolution began in the ocean over 600 million years ago with tiny creatures that probably do not resemble any living organism today. Since then, animals have evolved into a highly diverse kingdom. Although over one million extant (currently living) species of … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 12th Chapter Note. Animal behavior. Animal behavior includes all the ways animals interact with other organisms and the physical environment. Behavior can also be defined as a change in the activity of an organism in response to a stimulus, an external or internal cue or the combo of cues. Animal … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 11th Chapter Note. Genetics and Evolution. Genetics and Evolution is a college-level class being offered simultaneously to new students at Duke University. The course gives interested people a very basic overview of some principles behind these very fundamental areas of biology. We often hear about new “genome sequences,” commercial kits … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Biology 2nd Paper 10th Chapter Note. Immunity of the Human Body. The immune system protects the body against disease or other potentially damaging foreign bodies. When functioning properly, the immune system identifies and attacks a variety of threats, including viruses, bacteria, and parasites, while distinguishing them from the body’s own healthy tissue. The immune … Read more
Last Updated: March 22, 2026 at 8:45 pm