Bio102_Exam 3 (20 questions that will be on the exam)

Apical Meristems

Primary plant growth is green non-woody growth that arises from which meristem?

Leaves

The primary plant organs are stems, root, and (____)

Nodes

The parts of a stem where axillary buds are found and leaves are attached is the (____), white the other parts of the stem are internodes.

Ground

The primary plant tissues systems are dermal,vascular, and (____) tissue.

Parenchyma Cells

What is the least specialized plant cell type; lacks secondary walls, and Carrie’s out most metabolic functions?

Transpirational Pull

Bulk flow of xylem sap is largely a function of negative pressure caused by (_________).

Sugar source

The concentration of solutes is high in the phloem sap near a (_______).

Cation exchange

The process by which plants liberate minerals from the soil by secreting H+ to exchange with essential cations is called (_______).

False

(True or False) A deficiency in a mobile nutrient will more often manifest in younger leaves.

Nitrogen

Which plant essential macronutrient has arguably the largest impact on humans?

Flowers

The three things that differentiate angiosperms from other plants are (_______)_ double fertilization_and fruit.

True

(True or False) Short day plants will only bloom if the night length is longer than a critical threshold.

Sporophyte

During their lifecycle_ angiosperms oscillate between the diploid (_____) that produces spores_ and the haploid gametophyte that produces gametes.

Ethylene

What is the gaseous hormone that is responsible for fruit ripening and the triple response.

Phototropic

Growth toward the light is positively (photonastic_ phototactic_ phototropic).

Ecology

The science of how organisms interact with each other and their environment is called (_______).

True

(True or False) The leeward side of a mountain usually receives less rainfall.

Photic zone

The aquatic biome that receives the most light is the (______).

Carrying capacity

The limit to the population size that can be supported by a given environment is called the (______) and is represented by “K”.

Emigration

The movement of individuals out of a population is called (______).