Free Printable WorksheetScienceGrade 10Science CurriculumBIO.10.109

10.109 Plant Hormones, Tropisms, and Reproductive Success Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Biology Science worksheet provides structured practice on 10.109 Plant Hormones, Tropisms, and Reproductive Success. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Plant Hormones, Tropisms, and Reproductive Success: Students interpret how plant hormones, tropisms, photoperiodism, flowers, seeds, fruits, pollination, and dispersal strategies affect growth, reproduction, and fitness. Rigor range: standard concept checks through honors/Pre-AP/AP-ready integrated physiology, plant systems, health data, and applied decision-making.. Aligned to FreeK12Practice High School Biology Curriculum Crosswalk (NGSS/NRC Framework; CCSS Literacy and Mathematics; AP Biology enrichment; Texas TEKS Biology; Florida NGSSS/CPALMS Biology; Virginia SOL Biology; California NGSS and New York State Science Learning Standards) BIO.10.109 - Plant Hormones, Tropisms, and Reproductive Success: Corresponding standards copied from the curriculum for skill 10.109: National: NGSS HS-LS1-2; HS-LS1-3; HS-LS1-4; HS-LS4-2; DCI LS1.B; CCSS RST.9-10.2; RST.11-12.2; RST.9-10.7; AP Biology SYI-2, SYI-3, EVO-2, SP1. State frameworks: TX TEKS BIO.12B, BIO.8A; FL NGSSS SC.912.L.14.7, SC.912.L.16.17; VA SOL BIO.3b, BIO.7b; CA NGSS/NYSSLS HS-LS1-2, HS-LS1-4, HS-LS4-2.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Biology

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 10.109 Plant Hormones, Tropisms, and Reproductive Success skill assessments:

Problem 1Difficulty: Mastery

A planned farm diagram shows squash plants under row covers that exclude insects. The plants produce many flowers but few fruits; when workers hand-pollinate covered flowers, fruit set returns to normal. What is the best diagnosis?

AFruit production was limited because auxin cannot exist in covered plants.

BThe plants were short-day plants that needed longer nights only.

CThe row covers caused all ovules to become wind-dispersed seeds.

DFruit production was limited by pollination, not by a lack of flower production.

Solution & Explanation:The plants formed flowers, so flowering was not the main problem. Hand pollination restoring fruit set shows that compatible pollen transfer was limiting reproduction.

Problem 2Difficulty: Mastery

Which comparison best explains why plants often retain both vegetative propagation and sexual reproduction strategies?

AVegetative propagation creates pollen tubes, while sexual reproduction makes only roots.

BBoth strategies always produce identical genetic variation and identical dispersal.

CVegetative propagation can rapidly produce clones, while flowers and seeds create variation and dispersal opportunities.

DSexual reproduction prevents seeds from moving away from the parent.

Solution & Explanation:Clonal growth can quickly expand a successful genotype locally. Sexual reproduction can generate genetic variation and seed dispersal, which matter for changing environments.

Problem 3Difficulty: Mastery

A planned selection graph shows that after repeated floods, seedlings from seeds dispersed farther from parent plants survive at higher rates. Over generations, alleles associated with longer dispersal increase. What evolutionary conclusion is best supported?

AFloods eliminate natural selection because all seeds have equal fitness.

BChanging environmental conditions can favor dispersal traits that improve reproductive success.

CDispersal traits cannot be inherited or affected by selection.

DSeeds dispersed farther must have formed before pollination.

Solution & Explanation:If longer dispersal improves survival after disturbance and the trait is heritable, natural selection can increase alleles associated with farther dispersal.

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Frequently Asked Questions

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QHow do I download and print this 10.109 Plant Hormones, Tropisms, and Reproductive Success worksheet?

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Biology Science students. It aligns with educational standard BIO.10.109 (Corresponding standards copied from the curriculum for skill 10.109: National: NGSS HS-LS1-2; HS-LS1-3; HS-LS1-4; HS-LS4-2; DCI LS1.B; CCSS RST.9-10.2; RST.11-12.2; RST.9-10.7; AP Biology SYI-2, SYI-3, EVO-2, SP1. State frameworks: TX TEKS BIO.12B, BIO.8A; FL NGSSS SC.912.L.14.7, SC.912.L.16.17; VA SOL BIO.3b, BIO.7b; CA NGSS/NYSSLS HS-LS1-2, HS-LS1-4, HS-LS4-2.).