Why Is the Process Whereby O₂ Is Added to RuBP

question 80

Multiple Choice

Why is the process whereby O₂ is added to RuBP called photorespiration?

• A)because O₂ is released and CO₂ is taken up
• B)because CO₂ is released and O₂ is taken up
• C)because breathing is necessary
• D)because RuBP is released
• E)because it occurs in crop plants

---

Definitions:

Progressive Tax System

A tax system where the tax rate increases as the taxable amount or income increases, effectively imposing a higher percentage rate on those who earn more.

Regressive Tax

A tax system where the tax rate decreases as the taxable amount increases, placing a higher burden on lower-income earners relative to their income.

Income Groups

Categories of people classified according to the level of their income, often used in socio-economic and market research to analyze spending habits, needs, and trends.

Lump-Sum

A single payment made at a particular time, as opposed to a series of smaller payments or installments.