Multiple Choice
Jan Baptista van Helmont did an important experiment related to photosynthesis.He weighed a small willow tree and a pot of soil.Jan then planted the tree in the pot.Over the course of five years, he added only water to the pot.At the end of five years, he weighed the tree and found that it had gained 74.4 kg.He weighed the soil, and it was only 57 g less.What do the results of this specific experiment demonstrate about what is needed for a plant to grow and increase its mass?
A) All of the food a plant needs to grow comes from the soil
B) Plants do not need soil to grow
C) Plants must be able to increase their mass using substances in addition to what is found in soil
D) All of the food a plant needs to grow comes from the water
Correct Answer:
Verified
Correct Answer:
Verified
Q16: A protein that has been transported past
Q51: A plant researcher wants to construct a
Q52: Carbon dioxide and water can combine to
Q53: In which part of the chloroplasts are
Q54: What is the color of light that
Q55: The photosynthetic electron transport causes the accumulation
Q56: What products of light reactions of photosynthesis
Q59: Molecules that absorb light are called<br>A)enzymes.<br>B)electron carriers.<br>C)pigments.<br>D)photosynthesizers.
Q60: What are the characteristics of red light,
Q66: What color of light is not strongly