100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
plant responses and hormones summary R89,33   Add to cart

Summary

plant responses and hormones summary

 17 views  0 purchase
  • Course
  • Institution

coincise notes on plant responses and hormones, in bullet points to summarise processes of seed germination, antifreezing, leaf abscission, stomatal closure, geotropism and phototropism, apical dominance, plant defences

Preview 1 out of 4  pages

  • January 13, 2024
  • 4
  • 2023/2024
  • Summary
avatar-seller

Available practice questions

Flashcards 50 Flashcards
R100,52 0 sales

Some examples from this set of practice questions

1.

list the various physical defences of a plant

Answer: spikes, thorns, spines, hairy leaves, inedible tissue. stings

2.

list the chemical defences of a plant

Answer: tannins, alkaloids, terpenoids such as citronella

3.

how does mimosa pudica defend itself ?

Answer: folds in response to touch, scaring the animal

4.

how do plants communicate with one another ?

Answer: via releasing pheromones

5.

when do plants release pheromones ?

Answer: to warn other plants that they are being attacked by a herbivor

6.

how do neighbouring plants respond when they detect the pheromones of another plant ?

Answer: produce callose to protect from the attack

7.

what do synergistic plant hormones do ?

Answer: amplify each other\'s effects

8.

what do antagonistic plant hormones do ?

Answer: wor against each other, sometimes cancelling each other out

9.

what is the definition of a tropism ?

Answer: directional growth in response to a stimulus

10.

list the different types of tropisms

Answer: phototropism, gravitotropism, hydortropism, chemotropism, thigmotropism

Plant responses
Tropisms
● Directional growth to a stimulus .
○ Phototropism
○ Geotropism
○ Hydrotropism
○ Chemotropism
○ Thigmotropism

PHOTOTROPISM

● Positive: shoot towards light source

● Negative: root towards soil with minerals and water

AUXIN

On shaded side

Stimulates growth in shoots and cell elongation = shoot bends towards light source

Stimulate active transport of H+ via ATPase into cell walls

Lowering pH : optimum for expansins which hydrolyse bonds in cellulose and weakens
them.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying this summary from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller erikakumar. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy this summary for R89,33. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 14 years now

Start selling
R89,33
  • (0)
  Buy now