Day: April 1, 2021

Class 9 Biology Notes – Chapter Number 3  BIODIVERSITY

Class 9 Biology Notes – Chapter Number 3  BIODIVERSITY   Question#1) Define Biodiversity? Answer: Biodiversity: The term “biodiversity” has been derived from ‘bio’ and ‘diversity’.  Biodiversity is a measure of the variety of organisms present in different ecosystems or earth surface. Flora: Diversity of plants in an ecosystem is called flora. Fauna: Diversity of animals in an ecosystem is …

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Class 9 Biology Notes Chapter 2 – Solving a Biological Problem

Chapter Number 2  – SOLVING A BIOLOGICAL PROBLEM   Question#1) Define science and Scientific method?   Answer; Science: word science is derived from scientia means knowledge. Science is the systemized knowledge derived from observations and experiments. “OR” The knowledge that gives understanding about this world and how it works is called science. “OR” The systemized knowledge …

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9th Class Biology Chapter 1 MCQs – INTRODUCTION TO BIOLOGY

INTRODUCTION TO BIOLOGY Word science is derived from scientia means _______ A. habit B. human C. philosophy D. Knowledge   2. Word “biology” derived from two _______ words. A. English B. French C. Greek D. Latin