Preview of practice Free-central (4.8.2.4) - The Flower - ICSE 9 Biology
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Free-central

Practice - Free-central

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Practice Questions

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Question 1 Easy

What is the definition of placentation in flowers?

💡 Hint: Think about how flowers produce seeds.

Question 2 Easy

Name a type of placentation where ovules are attached to the ovary walls.

💡 Hint: Consider the edges of the ovary.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of placentation has ovules attached to a central column?

Marginal
Free-central
Parietal

💡 Hint: Remember the word 'free-central' indicates central attachment.

Question 2

True or False: Free-central placentation facilitates efficient nutrient transfer for seed development.

True
False

💡 Hint: Think about the benefits of central placement.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze the advantages and disadvantages of free-central placentation compared to marginal placentation and evaluate how these may affect a plant's reproductive strategies in different environments.

💡 Hint: Compare how each method works with nurturing seeds.

Challenge 2 Hard

Design an experiment to investigate the reproductive success of a plant with free-central placentation versus one with marginal placentation under varying environmental conditions.

💡 Hint: Consider what external factors might influence seed development.

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