Category: Biology class 12th
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2nd year Biology guess paper
2nd year Biology guess paper on Newsongoogle.com by Bilal Articles Explore essential 2nd year Biology guess paper curated by Bilal Articles on Newongoogle.com. Elevate your understanding of key Biology concepts with comprehensive and insightful queries, ensuring a solid foundation for academic success. Dive into engaging content designed to enhance your learning experience and excel in…
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2nd year Biology Important Questions
2nd-year Biology Important Questions On Newsongoogle By Bilal Articles Embark on an emotional journey of success with Bilal Articles on Newsongoogle! Dive into the heart of Class 12 Biology with all-encompassing chapter notes, relive the intensity of past papers, and ignite your passion with gripping Biology guess papers. Elevate your academic experience with crucial 2nd…
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2nd Year Biology Chapter 27 Man & His Environment
2nd Year Biology Chapter 27 Man & His Environment Question And Answer Short And Simple Question And Answer Q 1. What is Ozone layer? Ans. The Ozone layer is a region in the Earth’s atmosphere, extending from 10-50 km above the Earth, which filters out ultraviolet rays from the sun. Q 2. What do you…
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2nd Year Biology Chapter 25 Ecosystem
2nd Year Biology Chapter 24 Ecosystem Question and Answer Short and Simple Question And Answer Q 1. What are the biochemical cycles? Ans. Biochemical cycles are natural processes where chemicals circulate between the environment and living organisms. Q 2. Define grazing? Ans. Grazing is when animals like rabbits, cows, and horses feed on grasses in…
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2nd Year Biology Chapter 24 Evolution
2nd Year Biology Chapter 24 Evolution Question And Answer Short and Simple Question And Answer Q 1. What are the sources of hydrogen for reducing CO2 in the first photosynthetic organism? Ans. The first photosynthetic organism likely used hydrogen sulfide as a source of hydrogen to reduce carbon dioxide into sugars. Q 2. What is…
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2nd Year Biology Chapter 23 Biotechnology
2nd Year Biology Chapter 23 Biotechnology Question and Answer Short and Simple Question And Answer Q 1. What is the use of genetically engineered bacteria? Ans. Genetically engineered bacteria are used to clean up environmental pollutants, increase soil fertility, and control insect pests. Q 2. What are restriction enzymes? Ans. Restriction enzymes are natural bacterial…
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2nd Year Biology Chapter 22 Variation & Genetics
2nd Year Biology Chapter 22 Variation & Genetics Question And Answer Short And Simple Question Answer Q 1. Difference between phenotype and genotype? Ans. Phenotype is how a trait looks, genotype is the genetic makeup. Q 2. Define population? Ans. A group of interbreeding organisms of the same species. Q 3. What is the product…
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2nd Year Biology Chapter 21- Cell Cycle
2nd Year Biology Chapter 21- Cell Cycle Question and Answer Short and Simple Question And Answer Q 1. What is the cell cycle? Ans. The cell cycle is a sequence of changes in a cell, including growth, DNA replication, and cell division. Q 2. How long is the human cell cycle? Ans. The average human…
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2nd Year Biology Chapter 20 Chromosomes & DNA
2nd Year Biology Chapter 20 Chromosomes & DNA Question an Answer Short and Simple Question And Answer Q 1. Who first observed chromosomes? Ans. The German embryologist Walther Fleming first observed them in 1882 while examining the rapidly dividing cells of salamander larvae. Q 2. What is euchromatin? Ans. Euchromatin is the portion of the…