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HomeCXC CSEC BiologyCoordination and Response in Plants: Tropisms and Plant Hormones
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Coordination and Response in Plants: Tropisms and Plant Hormones
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20 CXC CSEC Biology questions on Coordination and Response in Plants: Tropisms and Plant Hormones, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Coordination and Response in Plants: Tropisms and Plant Hormones

Question 1 · 1 mark · Difficulty 1/3

A seedling is placed on its side in the dark. After 48 hours, the shoot curves upward. This response is best described as:

  1. Positive phototropism in the shoot
  2. Negative phototropism in the shoot
  3. Negative geotropism in the shoot
  4. Positive geotropism in the shoot
Show answer & explanation
✓ Answer: CNegative geotropism in the shoot
When a shoot grows away from the direction of gravity, it is showing negative geotropism (also called negative gravitropism). Positive phototropism involves growing toward light, which is not the stimulus here since the seedling is in the dark. Positive geotropism describes growth toward gravity, which is what roots show. Negative phototropism means growing away from light, not relevant in a dark environment.
Question 2 · 1 mark · Difficulty 2/3

Which of the following correctly describes the role of auxin in root geotropism?

  1. High auxin concentration promotes root cell elongation on the lower side
  2. High auxin concentration inhibits root cell elongation on the lower side
  3. Auxin concentration is equal on both sides, so gravity bends the root directly
  4. Low auxin concentration inhibits root cell elongation on the upper side
Show answer & explanation
✓ Answer: BHigh auxin concentration inhibits root cell elongation on the lower side
In roots, auxin accumulates on the lower side due to gravity. Unlike shoots, root cells are much more sensitive to auxin, so even a slightly higher concentration inhibits elongation on the lower side. The upper side has less auxin and elongates more, causing the root to bend downward — positive geotropism. Options C and D describe incorrect mechanisms.
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CXC CSEC Biology: Coordination and Response in Plants: Tropisms and Plant Hormones FAQ

How many CXC CSEC Biology questions on Coordination and Response in Plants: Tropisms and Plant Hormones are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Coordination and Response in Plants: Tropisms and Plant Hormones for CXC CSEC Biology, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Biology?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Coordination and Response in Plants: Tropisms and Plant Hormones practice with other Biology topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Coordination and Response in Plants: Tropisms and Plant Hormones questions aligned to the official CXC CSEC Biology syllabus?
Every question is written against the published CXC CSEC Biology specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Coordination and Response in Plants: Tropisms and Plant Hormones typically tested on CXC CSEC Biology papers?
Coordination and Response in Plants: Tropisms and Plant Hormones appears across multiple question types on real CXC CSEC Biology papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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