HSC EV Biology 1st Paper 1st Chapter Note. Cell and its Structure. The cell (from Latin cella, meaning “small room”) is the basic structural, functional, and biological unit of all known living organisms. A cell is the smallest unit of life. Cells are often called the “building blocks of life”. The study of cells is called … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Chemistry 2nd Paper 3rd Chapter MCQ Question Answer. Quantitative Chemistry. Quantitative chemistry is a very important branch of chemistry because it enables chemists to calculate known quantities of materials. For example, how much product can be made from a known starting material or how much of a given component is present in a … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Chemistry 2nd Paper 2nd Chapter MCQ Question Answer. Organic Chemistry. Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. Study of structure includes many physical and chemical methods to determine … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Chemistry 2nd Paper 1st Chapter MCQ Question Answer. Environment Chemistry. Environmental chemistry is the scientific study of the chemical and biochemical phenomena that occur in natural places. It should not be confused with green chemistry, which seeks to reduce potential pollution at its source. It can be defined as the study of the … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Chemistry 2nd Paper 5th Chapter Note. Economic Chemistry. Chemical marine pollution can cause many disturbances which, in the shorter or longer term, can have a negative impact on the economy. These effects may be related to living organisms, ecosystems as well as humans and their activities. The methods used to assess economic impact … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Chemistry 2nd Paper 4th Chapter Note. Electrochemistry. Electrochemistry is the branch of physical chemistry that studies the relationship between electricity, as a measurable and quantitative phenomenon, and identifiable chemical change, with either electricity, considered an outcome of a particular chemical change or vice-versa. These reactions involve electric charges moving between electrodes and an … Read more
Last Updated: March 22, 2026 at 8:45 pm
HSC EV Chemistry 2nd Paper 3rd Chapter Note. Quantitative Chemistry. Quantitative chemistry is a very important branch of chemistry because it enables chemists to calculate known quantities of materials. For example, how much product can be made from a known starting material or how much of a given component is present in a sample? Quantitative … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Chemistry 1st Paper 5th Chapter MCQ Question Answer. Vocational Chemistry. Chemistry is one of the diverse branches of physical science. It is known as the science of life. The practice of chemistry has been in constant increase since the ancient time. The present-day chemical industries have been evolved from the early practices of … Read more
Last Updated: March 22, 2026 at 8:45 pm
EV HSC Chemistry 1st Paper 4th Chapter MCQ Question Answer. Chemical Changes. Chemistry is one of the diverse branches of physical science. It is known as the science of life. The practice of chemistry has been in constant increase since the ancient time. The present-day chemical industries have been evolved from the early practices of … Read more
Last Updated: March 22, 2026 at 8:45 pm