Posted: February 3rd, 2017

Which step of photosynthesis can occur during the presence or absence of light?

1. One sustainable way farmers can replace nutrients in the soil is:

 

Question 1

 

1. One sustainable way farmers can replace nutrients in the soil is:

 

		by using synthetic fertilizers.
		by using herbicides.
		through crop rotation.
		through salinization.

 

Question 2

 

1. The United States represents less than 5% of the world’s population. However, it is responsible for __________ of the world’s carbon dioxide emissions resulting from burning fossil fuels.

 

		25%
		less than 1%
		10%
		over 50%

 

Question 3

 

1. Which of the following food items is actually a unique set of modified leaves?

 

		Onion
		Sweet potato
		Oat grain
		White potato

 

Question 4

 

1. Which step of photosynthesis can occur during the presence or absence of light?

 

		C3
		Glycolysis
		The light reactions
		The Calvin cycle

 

Question 5

 

1. What are the reactants of photosynthesis?

 

		Carbon dioxide + glucose
		Carbon dioxide + water + light energy
		Water + light energy + glucose
		Glucose + oxygen

 

Question 6

 

1. Match the following terms to their definition or example.

 

Chloroplasts

Stomata

Organic

Monoculture

Biomagnification

Eutrophication

Gymnosperms

Angiosperms

Perennials

Tubers

A. Plants that live for many years B. Open or close to change the flow of gases and water into or out of the plant cells C. Plants that produce seeds but no flowers like pine trees D. Caused by fertilizer runoff from farms E. Concentration of toxic chemicals at higher levels of a food web F. Organelle where photosynthesis takes place G. Pigment that absorbs energy from the sun H. Most successful group of plants on Earth I. Planting a single crop over wide acreage J. Yams K. Natural fertilizer from partially decomposed waste pr