Organisation In Plants Flashcards
1
Q
What is the mid section of the leaf called?
A
Mesophyll
2
Q
What is at the top and at the bottom of the leaf?
A
Upper and lower epidermis that produce waxy cuticle and are also transparent for sunlight to get in and waterproof
3
Q
What is the difference between a palisade mesophyll and a spongy mesophyl?
A
Spongy=less chloroplasts + not bricked together because of more circular shape
Palisade=more chloroplasts and packed together at the top of the leaf
4
Q
What is the vein split into, and what are the jobs of the things split?
A
Xylem=water and minerals, Transpiration
Phloem=sugars and translocation
5
Q
What is translocation?
A
The movement of dissolved sugars around the plant
6
Q
Why are spongy mesophyll surrounded by air pockets?
A
To aid diffusion of gases
