Class 10 biology

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Questions and Answers

What is the main theme that explains the unity and diversity of life?

  • Evolution (correct)
  • Energy processing
  • Cellular organization
  • Regulation of internal environments

Which process allows organisms to move, grow, and reproduce?

  • Genetic encoding
  • Photosynthesis
  • Energy processing (correct)
  • Cellular respiration

What is the fundamental unit that all organisms are made up of?

  • Organs
  • Genes
  • Cells (correct)
  • Tissues

At what levels of organization can biologists study life?

<p>From molecular biology to evolution of populations (D)</p> Signup and view all the answers

What do biologists use to make observations and pose questions?

<p>Scientific method (B)</p> Signup and view all the answers

Flashcards

Evolution

The unifying theme explaining life's unity and diversity.

Energy processing

The process enabling organisms to move, grow, and reproduce.

Cells

The basic unit of structure and function in living organisms.

Levels of biological study

From molecules to the evolution of populations.

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Scientific method

To make observations and pose questions about the world.

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Study Notes

Unity and Diversity of Life

  • The main theme explaining both unity and diversity in life is evolution, which showcases how organisms adapt and change over time while sharing common characteristics.

Essential Biological Processes

  • Life processes that enable organisms to move, grow, and reproduce include metabolism, which encompasses all biochemical reactions sustaining an organism's life.

Fundamental Unit of Life

  • All organisms are made up of cells, which are the basic structural and functional units of life, capable of carrying out all necessary life processes.

Levels of Biological Organization

  • Biologists can study life at multiple levels of organization, including molecules, cells, tissues, organs, organisms, populations, communities, ecosystems, and the biosphere.

Research Methods in Biology

  • Biologists utilize various tools and methods, such as microscopes, chemicals, and field studies, to make observations and pose scientific questions about living organisms and their environments.

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