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Plant, Nirmay Grade 6 - 2025 - Coggle Diagram
Plant
Root System
Tap Root
- Thick main root (Primary root)
- Many side branches (secondary root)
Examples
Dicot plants
gram , pea
Fibrous Root
- Cluster of roots
- same thickness and size
- arising out of the stem
Examples
Monocot plants
maize, grass
Functions
- Fixes plant in the soil
- Absorbs water and mineral - help growth of entire plant
- Binds soli together - soil doesn't get washed away
Characteristics
1, Grows downwards into the soil, away from sunlight, towards gravity
- One primary root, many side branches.
- End of roots have root hairs
- Primary root with root hairs is called root system :
Shoot System
The Stem
Functions
- Bears all ariel parts of the plan, buds, leaves, flowers, fruits
- Helps in upward movement of water and minerals from root
- Sends food prepared by leaves downwards to roots, stem and other non-green parts
- Manufactures food while green and young
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Apical buds (Terminal buds)
- tip of the shoot has buds called apical
- responsible for vertical growth
Axil
- Angle betwee upper side of a leafe and the stem
- Buds here are called axillary buds
- They produce new branches with either leaves of flowers
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Shoot system Made of
- Stem
- Buds
- Leaves
- Flowers
- Fruits
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