Question | Answer |
WHAT IS THE FUNCTION OF THE ROOTS | ABSORB WATER AND MINERALS
ANCHOR AND SUPPORT PLANT
STORE CARBS, H2O AND OTHER NUTRIENTS |
WHAT ARE THE STRUCTURES OF THE ROOT | ROOT CAP
ROOT HAIR
EPIDERMIS
CORTEX
ENDODERMIS
VASCULAR TISSUE |
WHAT IS THE ROOT CAP? | THE PARENCHYMA CELLS PROTECTING THE GROWING TISSUES AT THE END OF THE MAIN ROOTS BY PRODUCING A SLIMY SUBSTANCE THAT REDUCES FRICTION |
WHAT IS THE ROOT HAIRS | THEY ARE TINY EXTENSIONS OF THE EPIDERMAL CELLS OF THE ROOTS AND THEY INCREASE THE SA TO INCREASE ABSORPTION |
WHAT IS THE EPIDERMIS | IT IS THE SINGLE LAYER OF CELLS COVERING ROOTS |
WHAT IS THE CORTEX | PARENCHYMA CELLS TRANSPORTING AND STORING WATER AND MINERALS |
WHAT IS THE ENDODERMIS | ONE CELL THICK
EACH CELL SURROUNDED BY A CASPARIAN STRIP (WATERPROOF BAND, HELPS FORCE WATER AND MINERALS TO PASS INTO VASCULAR TISSUE) |
WHAT IS THE VASCULAR TISSUE | FOUND IN THE CENTRE OF THE ROOT
TWO TYPES
MONOCOT:
XYLEM FORM A RING AROUND THE PTIH
DICOTS:
XYLEM FORM AN X OR STAR SHAPE WITH THE PHLOEM INBETWEEN |
WHAT ARE THE TYPES OF ROOT SYSTEMS | TAPROOT
FIBROUS ROOT
MODIFIED ROOT |
WHAT IS A TAPROOT | ONE MAIN THICK ROOT GROWING DEEP INTO SOIL
SMALLER LATERAL BRANCHING ROOTS
ABSORBS WATER, MINERALS, ANCHORS PLANT AND STORES STUFF |
WHAT IS FIBROUS ROOT | MANY EQUAL SMALLER BRANCHING ROOTS
SHALLOW
ABSORB WATER AND MINERALS AND ANCHORS PLANT |
WHAT IS MODIFIED ROOT | MODIFIED TO PROVIDE EXTRA SUPPORT OR STORE FOOD AND WATER
IE. PLANTS IN DRY REGIONS AND SWEET POTATOES |