Grade 11 Biology Principles Worksheet
This worksheet covers fundamental biology principles for Grade 11 students, including DNA structure, cell theory, and natural selection.
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Grade 11 Biology Principles
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Read each question carefully and provide your best answer. Some questions may require critical thinking and application of biological concepts.
1. Which of the following is NOT a component of a DNA nucleotide?
Deoxyribose sugar
Phosphate group
Amino acid
Nitrogenous base
2. The process by which organisms with traits better suited to their environment tend to survive and reproduce more offspring is called .
3. According to the cell theory, all living things are composed of one or more .
4. Briefly explain the concept of homeostasis in living organisms.
5. All mutations are harmful to an organism.
True
False
6. Label the components of the DNA double helix shown below:

A.
B.
C.
D.