For BIOL 121 (Genetics, Evolution & Ecology) at UBC
BIOL 121 practice questions for genetics, evolution and ecology
Original practice problems for BIOL 121: meiosis, Mendelian crosses, linkage and pedigrees; natural selection, Hardy-Weinberg and phylogenetic trees; and population, community and ecosystem ecology. Short daily sessions with mastery tracking, so you can explain your reasoning, not just recognize the right answer.
- Original questions, never past exams
- Checked by a biology reviewer
- Free core practice
737
practice questions
70
learn cards
189
flashcards
6
worked animations
Popular BIOL 121 practice topics
- Mendelian crosses
- Pedigree analysis
- Meiosis vs mitosis
- Hardy-Weinberg problems
- Genetic drift
- Phylogenetic trees
- Population growth
- Community ecology
What's covered
Every BIOL 121 unit, topic by topic
Counts are original items written for this platform. Hide anything your section doesn't cover.
Provisional map: no current BIOL 121 syllabus is publicly posted, so these units are based on the published course goals and learning outcomes. Your class may differ.
1Genetics
241 questions- DNA, genes, chromosomes & ploidy25 questions · 3 learn cards · 14 flashcards
- Cell cycle & mitosis27 questions · 3 learn cards · 6 flashcards
- Meiosis & genetic variation60 questions · 5 learn cards · 10 flashcards
- Mendelian inheritance55 questions · 4 learn cards · 10 flashcards
- Sex linkage & gene linkage36 questions · 4 learn cards · 9 flashcards
- Pedigree analysis38 questions · 3 learn cards · 9 flashcards
2Evolution
254 questions- Evidence for evolution & homology29 questions · 3 learn cards · 9 flashcards
- Natural selection & adaptation51 questions · 5 learn cards · 13 flashcards
- Population genetics & Hardy-Weinberg64 questions · 4 learn cards · 10 flashcards
- Drift, gene flow, mutation & inbreeding45 questions · 4 learn cards · 11 flashcards
- Phylogenetic trees32 questions · 4 learn cards · 11 flashcards
- Species & speciation33 questions · 4 learn cards · 13 flashcards
3Ecology
242 questions- Biomes, climate & abiotic factors36 questions · 4 learn cards · 10 flashcards
- Population ecology77 questions · 6 learn cards · 19 flashcards
- Community ecology56 questions · 5 learn cards · 15 flashcards
- Ecosystem ecology34 questions · 4 learn cards · 11 flashcards
- Biodiversity & conservation39 questions · 5 learn cards · 9 flashcards
How you'll practice
Tools built for genetics, evolution and ecology
Prediction, data, diagrams and written answers, the kinds of thinking first-year biology exams reward.
Daily 10
Ten mixed questions a day, picked from what you just learned and what you're about to forget.
Mastery tracking
Recall, understanding, application and data skills tracked per learning objective, so you know what's actually solid.
Spaced flashcards
189 flashcards scheduled around your exam dates, not a random shuffle.
My Mistakes
Retry what you missed with fresh questions on the same idea, not the same question again.
Custom practice exams
Pick units and length, or run a timed midterm or final simulation with a breakdown by unit and skill.
Worked animations
6 step-by-step animations for processes that are easier to see than to read.
Some extras, like unlimited practice exams, are part of the Term Pass. See pricing
Fits your term
How it follows BIOL 121
- 01
Genetics block
Start with chromosomes, mitosis and meiosis, then work up to crosses, linkage and pedigree problems. Daily 10 mixes calculation, prediction and written-answer questions.
- 02
Evolution block
Natural selection, Hardy-Weinberg calculations, drift and gene flow, tree reading and speciation, while genetics keeps returning on a spaced schedule.
- 03
Ecology and the final
Population, community and ecosystem ecology, then cumulative practice and timed practice exams across all three units before the final.
Questions
BIOL 121 FAQ
Is the BIOL 121 map official?+
No, and it's provisional. No current BIOL 121 syllabus is publicly posted, so our map is built from the published course goals and learning outcomes. Classes differ, so you can hide anything your section doesn't cover and set your own exam dates.
Does it include Hardy-Weinberg and pedigree practice problems?+
Yes. Population genetics and Hardy-Weinberg, pedigree analysis, Mendelian inheritance and sex linkage each have their own practice questions, learn cards and flashcards, including numeric problems you type the answer to.
Are these real BIOL 121 exam questions?+
No. Every question is original, written for this platform and checked by a biology reviewer. We never use past exams, quizzes, slides or textbook problems.
Is this affiliated with UBC?+
No. L4L Biology is an independent study tool made by Learn4Less Tutoring Services Ltd. It is not affiliated with or endorsed by the University of British Columbia. Your instructor and official course materials are always the final authority.
Is it free?+
Yes, core practice is free: Daily 10, topic practice, learn cards, flashcards and My Mistakes. During the beta every account also gets the paid features. Later, a one-time Term Pass adds full exam simulations and unlimited practice exams.
Can I use it during quizzes, MLMs or exams?+
No. It is for studying only. Using any outside tool during a graded assessment breaks academic integrity rules.
Start your BIOL 121 practice today
Pick your course, set your exam dates, and do your first Daily 10 in under five minutes.
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L4L Biology is an independent study tool by Learn4Less Tutoring Services Ltd.. Not affiliated with or endorsed by the University of British Columbia. All questions are original.