All food chains start with a plant. Why is this so?

The honey bee produces honey. In terms of the food chain, is the honey bee a producer or a consumer?

Which of the following is not applicable to the process of photosynthesis ?

1. Oxygen is evolved
2. Carbon dioxide is absorbed
3. Carbon dioxide is evolved
4. Water is utilized

The colour of VIBGYOR spectrum which is reflected by chlorophyll is:

1. Blue
2. Green
3. Red
4. Yellow