Biology (Non-Lab)
LATEST FINALS REVIEW
Q&S
©2024/2025
,1. Which of the following is a primary factor contributing to
genetic variation in populations?
- A) Genetic drift
- B) Mutation
- C) Natural selection
- D) Gene flow
- ANS: B) Mutation
2. Which of the following best describes the concept of an
ecological niche?
- A) The physical space an organism occupies
- B) The role and position a species has in its environment
- C) The genetic makeup of a population
- D) The reproductive rate of a species
- ANS: B) The role and position a species has in its
environment
3. Which of the following is a key component of the cell theory?
©2024/2025
, - A) Cells are the basic unit of life
- B) Cells can arise spontaneously
- C) Cells do not contain genetic material
- D) Cells are not capable of self-replication
- ANS: A) Cells are the basic unit of life
4. Which of the following is a common method for studying
evolutionary relationships among species?
- A) Data encryption
- B) Phylogenetic analysis
- C) Network segmentation
- D) Software patching
- ANS: B) Phylogenetic analysis
5. Which of the following is a characteristic of keystone species?
- A) They have a minimal impact on their ecosystem
- B) They play a critical role in maintaining the structure of an
ecosystem
- C) They are always the most abundant species
- D) They are typically invasive species
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