TNSB - 7 - Science :: Plant Morphology

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Go To: TNSB-Science-Grade 7

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[Author - Anu Nived]


Objective: To teach the students about the habitats of various plants; how plants are classified

Subtopics to be covered:

- Parts of a plant, their functions and their modifications

- Plant movements

Learning Outcome:

- Students know about plant types, their parts and modifications etc

- They are clear about the functions of various parts of a plant


[Author - Kripa S]


https://www.youtube.com/watch?v=X6TLFZUC9gI (parts of plant - English)


[Author - Kripa S]


1. Ask students to name plants:

a) Smaller than them

b) Same size as them

c) Taller than them

2. Ask students to get a leaf to class. Illustrate their different parts. Show the different types of venation.

3. We would require seeds of gram and maize, cotton wool, katori and some water. Take two katoris. Place some wet cotton wool in them. Put 3 or 4 seeds of gram in one and maize in the other. Keep the cotton wet by sprinkling water every day, until the sprouts have grown into young plants. After a week try to separate the young plants from the cotton wool. (cotton wool can be replaced with soil) Help the students observe the roots of the gram seeds.


Term' Transliterated Term Translated Term
habitat                                                 ஹபிடட்                                                  வாழிடம்
scarcity                                        ஸ்கெர் சிட்டி                                            பற்றாக்குறை
maturity                                         மெச்சூரிட்டி                                            முதிர்ச்சி
lateral                                               லேட்டரல்                                                பக்கவாட்டு
embryo                                               இம்ப்ரயோ                                                கரு
cluster                                             கிளஸ்ட்டர்                                              கொத்து
pollination                                        பொல்லினேஷன்                                              மகரந்தச்சேர்க்கை
fertilization                                  ஃபெர்டிலைஸெஷன்                                          உரமிடுதல்
ornamental                                      ஒர்னமெண்ட்டல்                                            அலங்கார
aerial                                                 ஏரியல்                                                  காற்று மூல, வான்வழி
nourishment                                       நரிஷ் மென்ட்                                            ஊட்டச்சத்து
horizontal                                    ஹாரிஸ ண்ல்ட்டல்                                          கிடை
stimuli                                             ஸ்டிமுலேய்                                              தூண்டல்கள்
transpiration                                   ட்ரான்ஸ்பிரஷன்                                          நீராவிப்போக்கு
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