Growth
Chapter Name : Plant Growth And Development |
Sub Topic Code : 103_11_15_01_04 |
Topic Name : Growth |
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Sub Topic Name : Growth Rates |
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Introduction
The increased growth per unit
time is termed as growth rate.
Growth rate of plants can be expressed
arithmetically and geometrically
Pre-Requisites:
Growth, arithmetic, geometric
Activity:
Observe how plants in your garden grow
Real Life Question:
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Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Mitosis | A type of cell division that results in two daughter cells each the same as the parent nucleus, typical of ordinary tissue growth. |
| Meiosis | A type of cell division that results in two daughter cells each with half the chromosome number of the parent cell. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Encyclopedia | Read about plant growth. |
Real life uses :
Measuring growth rates helps to determine how
much time it takes for the plant to go from sapling to maturity
Places to visit :
Library, garden
Practical examples around us
| Examples | Explainations |
|---|---|
| Plant growth | Different species and types of plants have different growth rates |
What you learn in Theory:
We learnt about
the two growth types: arithmetic and geometric. We also learn how quantitative
comparisons of growth are made between living systems.
What you learn in Practice:
Growth rate can be measured arithmetically and
geometrically.