Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

5 Questions

8 Views

Transport in Plants: Biology Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main purpose of stomatal opening in plants?

To release excess water into the atmosphere

To allow the entry of CO2 for photosynthesis (correct)

To regulate the uptake of minerals from the soil

To protect the plant from pathogens

What triggers the turgor in guard cells resulting in stomatal opening?

Decrease in air temperature

Decrease in carbon dioxide levels

Increase in light intensity

Active uptake of potassium and malate (correct)

What is the role of guard cells in the stomatal opening and closing process?

To provide structural support to the stoma

To actively pump water out of the stomata

To synthesize chlorophyll for photosynthesis

To regulate the opening and closing of the stoma (correct)

Why must the stomata be open at least part of the time in plants?

<p>To allow CO2 entry for photosynthesis</p> Signup and view all the answers

What is the main outcome of the turgor in guard cells during stomatal opening?

<p>Reduction in water potential</p> Signup and view all the answers

Study Notes

Stomatal Opening in Plants

The main purpose of stomatal opening in plants is to allow for gas exchange, specifically for CO2 uptake and O2 release during photosynthesis.

Turgor in Guard Cells

Turgor in guard cells is triggered by the absorption of potassium ions (K+), which increases the water potential inside the cells, causing the guard cells to swell.

Role of Guard Cells

Guard cells play a crucial role in the stomatal opening and closing process by controlling the stomatal aperture through changes in turgor pressure.

Importance of Stomatal Opening

Plants must keep their stomata open at least part of the time to allow for gas exchange and maintain proper cellular processes, as stomatal closure can lead to CO2 depletion and impaired photosynthesis.

Outcome of Turgor in Guard Cells

The main outcome of turgor in guard cells during stomatal opening is the increase in stomatal aperture, allowing for increased gas exchange and CO2 uptake for photosynthesis.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Description

Test your knowledge on the mechanisms of transport in plants, including water and mineral absorption, xylem transport, rate of transpiration, and water-stress responses based on Chapter 36 of the Thirteenth Edition Biology textbook by Raven, Johnson, Mason, Losos, and Duncan.