Biology 1407 Exam Quiz test and
answers graded A+
Areas of growth that lengthen the tips of roots and stems (Primary growth) - ANS✅✅apical
meristem
Areas in the stems where cells are dividing by the process of mitosis causing the plant to get wider
(Secondary growth) - ANS✅✅lateral meristem (cambium)
where the leaf attaches to the stem - ANS✅✅Node
supporting structure that connects roots and leaves and carries water and nutrients between them -
ANS✅✅stem
space between nodes - ANS✅✅internode
The stalk of a leaf, which joins the leaf to a node of the stem. - ANS✅✅petiole
outermost layer of cells - ANS✅✅Epidermis
A waxy covering on the surface of stems and leaves that acts as an adaptation to prevent desiccation
in terrestrial plants. - ANS✅✅Cuticle
Tiny, spikelike projections on some leaves for protection - ANS✅✅Trichomes
pores through which the plant "breathes" - ANS✅✅stoma
Loose tissue beneath the palisade layer of a leaf; has many air spaces between its cells -
ANS✅✅spongy mesophyll
Layer of tall, column-shaped mesophyll cells just under the upper epidermis of a leaf -
ANS✅✅palisade mesophyll
answers graded A+
Areas of growth that lengthen the tips of roots and stems (Primary growth) - ANS✅✅apical
meristem
Areas in the stems where cells are dividing by the process of mitosis causing the plant to get wider
(Secondary growth) - ANS✅✅lateral meristem (cambium)
where the leaf attaches to the stem - ANS✅✅Node
supporting structure that connects roots and leaves and carries water and nutrients between them -
ANS✅✅stem
space between nodes - ANS✅✅internode
The stalk of a leaf, which joins the leaf to a node of the stem. - ANS✅✅petiole
outermost layer of cells - ANS✅✅Epidermis
A waxy covering on the surface of stems and leaves that acts as an adaptation to prevent desiccation
in terrestrial plants. - ANS✅✅Cuticle
Tiny, spikelike projections on some leaves for protection - ANS✅✅Trichomes
pores through which the plant "breathes" - ANS✅✅stoma
Loose tissue beneath the palisade layer of a leaf; has many air spaces between its cells -
ANS✅✅spongy mesophyll
Layer of tall, column-shaped mesophyll cells just under the upper epidermis of a leaf -
ANS✅✅palisade mesophyll
