Energy Transfer
Energy Transfer: Overview
This Topic covers sub-topics such as Photosynthesis, Biodiesel, Transformation of Energy, Energy Storage in Plants, Chemical Energy in a Seed, Energy Build Up in Plants and, Comparison between Leaves and Solar Panels
Important Questions on Energy Transfer
Consider the following statements about the microphone and the speaker of a mobile phone :
The microphone converts sound to a mechanical signal.
The microphone converts sound to an electrical signal.
The speaker converts a mechanical signal to sound.
The speaker converts an electrical signal to sound.
Which of the statements given above is correct?
Mention one reason for the seeds need chemical energy.
Seeds do not contain any type of chemical energy.
Which of the following polysaccharide is produced and turns blue-black in the presence of iodine in the body of a plant?
Plants reserve food material in the form of starch that is produced through photosynthesis.
The energy building process in plants start in _____ (leaves/fruits).
Photosynthesis is the first stage of the energy building process in the body of a plant.
Mention one difference between leaves and solar panel.
Leaves have no role in the energy transformation as the solar panel does.
Which of the following process converts the light energy into chemical energy?
Light energy gets converted into the chemical energy in photosynthesis.
The advantage of this fuel is that it is a clean-burning renewable fuel
The chlorophyll containing green plants are called autotrophs.
What form of energy is light energy converted to during photosynthesis? (Write in one word)
The two main process in the carbon cycle are
Glycerin is the by-product of the formation of what?
