Which of the Following Is True Regarding Loading and Unloading

question 91

Multiple Choice

Which of the following is true regarding loading and unloading in phloem translocation?

• A) Loading refers mainly to transfer of water, whereas unloading refers to the transfer of sucrose.
• B) Both require energy.
• C) Loading involves the transfer of phloem to the leaves, whereas unloading refers to the transfer of the products of photosynthesis to the roots.
• D) Loading requires active transport, whereas unloading requires only passive transport.
• E) Loading is associated with sinks, whereas unloading is associated with sources.

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Definitions:

Exports

Commodities or services sent overseas from one country to another aimed at commerce or trade.

Imports

Goods and services brought into a country from abroad for sale, which can affect the domestic economy in terms of prices, jobs, and trade balances.

Skateboards

A type of sport equipment used primarily for the activity of skateboarding, consisting of a board with wheels attached.

Total Surplus

The sum of consumer surplus and producer surplus in a market, representing the total net benefit to society from the production and consumption of a good or service.