Tropism (Types, positive & negative) | Control & Coordination | Biology | Khan Academy

[@jennicadsouza3451]

Phototropism means movement towards light .
Geotropism means movement of plant growing towards the earth gravity .
Hydrotropism mea s movement of plants parts in response to water or moisture.
Thigmotropisn means the growth of movement of plant parts in response to the lower stimulus is called thigmotropism.
Chemotropism is the phenomena of growth of plant organs in response to chemicals
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[@nibeditapattanaik3751]

towards or away. not just towards. movement towards the stimulus is called positive tropism whereas movement away from the stimulus is called negative tropism

[@aryanshsingh9282]

Thigmotropism means movement of pant in response to touch

[@crookshanks1883]

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i cant even right that way with my pencil or my mouse

[@mpscscience7609]

Students don't need notes on u tube. They want osm pictographic explanation that's what u r doing sir.
Thank sir.......

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[@Ratherbedie6109]

This video really help's to understand what's happening between away and towards the tropism . And your voice is clear to understand easily. Thank you very much ❤️

[@jennicadsouza3451]

Tropism : response or orientation of a plant to certain stimulus that acts with greater intensity from one direction to another is called tropism

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very good explanation sir...finally understood

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[@031vidhyashreen5]

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[@chanidupriyashan8892]

Good work buddy thank you . My all problems have solved. Please give a lesson about Hydrotropism .

[@strawberrylemon1999]

For some odd reason I can understand what he is explaining and I'm very much thankful. 🙏

[@SarojDevi-ez7ky]

Very nice explanation. I can't understand biology in class. But ur explanation is something different and new that explains easily. Thank u sir❤❤

[@psycho8902]

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your presentation and explanation are both helpful and clear.

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I loved your lecture sir
Thank you 😊

[@amayarandeniya6692]

Well explained Sir! Thank you so much. I understood the lesson after watching this video. Your teaching method is unique as one in a million and I love it. Nice handwriting and presentation too :)

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I loved your handwriting and explanation....

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[@sumidihingia1812]

Salute u sir for making my class 10 syllabus concept clear

[@b-zar8912]

Tropic movements and nastic movements. I learnt this briefly in 6th std ICSE and it was never mentioned again (I'm going to be in 11th now. XD) It feels nice finally knowing what they mean now.

[@obilol8802]

nice XD

[@ashagarud503]

How can you give such a great explanation
Thanks for this video

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thanks sir it was really a good video 👍

[@_just.livia24]

Wow! You are an awesome teacher,thank you so much!!!

[@chinmaysgames9453]

In example of Venus flytrap, I think it should be tropic movement as the plant feels the presence of insect and then trap it, so it would be thigmotropism

[@shashiranjan2086]

Cleared all my doubts

[@lalitharaj7808]

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[@kayondajishipa6821]

Best explanation ever

[@semajose8504]

Both your explanation and handwriting are student friendly!

[@FrankaAppiah]

My tutor said tropisms refers to movements of plants to external unilateral stimulus

[@Travelling2477]

Nice Explanation

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Hello

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[@FrankaAppiah]

Then touch should be a tropical movement like the mimosa

[@muzamilhassan3768]

Supereb. Sir. Thanks

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does root cell able to respond light?

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[@cherryvillanueva8125]

thank you po

[@ezroxgamingyt2298]

And cover all topics

[@ClaireWanjiku-mk2gy]

Your teaching well but what is the cause of the phototropism

[@ezroxgamingyt2298]

Please make one shot