Law of Conservation of Energy
Trending Questions
Q. The law proposed by Lindemann was
- Ten percent law
- Twenty percent law
- Thirty percent law
- Forty percent law
Q.
Which among the following in a food chain flows unidirectionally?
Food
Matter
Energy
Water
Q. In a particular food chain, if the energy produced at first trophic level is 1000 kcal, then the amount of energy which reaches fourth trophic level is _______.
- 100 kcal
- 0.01 kcal
- 1 kcal
- 0.1 cal
Q. Approximately how much of the solar energy that falls on the leaves of a plant is converted to chemical energy by photosynthesis?
- Less than 1%
- 2−10%
- 30%
- 50%
Q. The energy accumulated in a grassland ecosystem by grasses is 10kJ. What will be the energy accumulated by the frogs which eat the grasshoppers?
- 10J
- 1KJ
- 100 J
- 1000 J