Which of the following is needed for photosynthesis to occur?
a
sugar in the plant, which transforms into light energy
b
minerals in the soil, which transform into chemical energy
c
oxygen in the air, which transforms into electrical energy
d
energy from the Sun, which transforms into chemical energy
d. energy from the Sun, which transforms into chemical energy
The correct answer is d) energy from the Sun, which transforms into chemical energy.
The correct answer is d) energy from the Sun, which transforms into chemical energy.
Photosynthesis is the process by which plants convert light energy from the sun into chemical energy in the form of glucose (sugar). This process takes place in the chloroplasts of plant cells. Here's how you can arrive at the correct answer:
a) Sugar in the plant, which transforms into light energy - This statement is incorrect. Sugar is produced as a result of photosynthesis, and it does not transform into light energy.
b) Minerals in the soil, which transform into chemical energy - This statement is incorrect. Minerals obtained from the soil are used by plants for various functions, but they do not directly transform into chemical energy during photosynthesis.
c) Oxygen in the air, which transforms into electrical energy - This statement is incorrect. Oxygen is produced as a byproduct of photosynthesis, and it is not involved in the initial conversion of energy during the process.
d) Energy from the Sun, which transforms into chemical energy - This statement is correct. During photosynthesis, plants capture sunlight energy using a pigment called chlorophyll. This energy is then used to convert carbon dioxide and water into glucose, which is a form of chemical energy.
Therefore, option d) is the correct answer as energy from the Sun is needed for photosynthesis to occur.