Biology Getting to Know Plants Part 5 (Stem modification: Thorns, Aerial & Sub aerial) Class 6 VI | Summary and Q&A

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April 27, 2016
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Biology Getting to Know Plants Part 5 (Stem modification: Thorns, Aerial & Sub aerial) Class 6 VI

TL;DR

Stems in plants can undergo various modifications to perform functions such as mechanical support, food storage, photosynthesis, and defense.

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Key Insights

  • 🌱 Stems in plants can be modified to perform various functions beyond their primary role of nutrient transportation.
  • 💳 Modifications include stems becoming climbers, moving sub-aerially or underground, and developing thorns.
  • 🦾 Climbing stems provide mechanical support by latching onto neighboring objects.
  • 🦾 Sub-aerial stems move horizontally along the ground, ensuring the plant receives adequate mechanical support.
  • 🌱 Stems with thorns serve as a defense mechanism, protecting plants from potential attackers.
  • 🥘 Stem modifications allow plants to store food and perform photosynthesis in certain cases.
  • 🌱 Understanding stem modifications helps comprehend the diverse strategies plants employ for survival and growth.

Transcript

hello friends this video on getting to know plants part 5 is brought to you by example.com no more fear from exam so let us now look at some of the modifications of stem so as i told you that these parts of the plants right now we are talking about stem now in certain plants stems are modified into some other structural form so that they can serve ... Read More

Questions & Answers

Q: What are some examples of stem modifications in plants?

Some examples of stem modifications in plants include stems becoming climbers, moving sub-aerially or underground, and developing thorns for defense.

Q: How do climbers provide mechanical support to the plant?

Climbing stems in plants provide mechanical support by latching onto neighboring objects such as pillars, grills, or doors, which the weak stems cannot do on their own. This support allows the plant to stay upright.

Q: Why do some stems move horizontally along the ground?

Certain plants have sub-aerial stems that move horizontally along the ground to provide mechanical support. This is essential for the entire plant to stand and function effectively.

Q: How do stems with thorns protect plants?

Stems with thorns serve as a defense mechanism for plants. When insects or animals try to attack, they can get hurt by these sharp thorns, providing protection to the plant.

Summary & Key Takeaways

  • Stems in plants can be modified to serve different functions apart from transporting water and nutrients.

  • Modification examples include stems becoming climbers, sub-aerial or underground, and developing thorns.

  • These modifications help provide mechanical support, store food, perform photosynthesis, and offer defense to the plant.

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