PLANT PHYSIOLOGY
PLANT GROWTH
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
determined by the color of the tree
|
|
|
a learned characteristic of plants
|
|
|
predicted by the size of the parent tree
|
|
|
passed on from generation to generation
|
Detailed explanation-1: -Sunshine and water are both essential for a tree to survive, and both influence tree height, crown shape (for example, a round treetop or the cone shape of a pine tree), and the form of leaves. Some tree species grow quite tall and receive much sunlight.
Detailed explanation-2: -As the leaf grows away from the meristem, its shape is determined by growth in three axes, proximal-distal, abaxial-adaxial and medial-lateral. HD-ZIPIII, KANADI and the small RNA pathway play a significant role in the latter two axes.
Detailed explanation-3: -Long leaves help with temperature regulation and are good for hot conditions, thin leaves help prevent water loss and are good for dry conditions, and large, broad leaves which can harvest lots of light are good for life in gloomy conditions, such as the rainforest understory.
Detailed explanation-4: -Habit: The term to describe the overall shape of a tree. Refers to the general mode of tree or plant growth. Oval: The branches of the tree form an oval shape, spreading from the central trunk.