Photosynthesis Question 23

23. Maximum solar energy is trapped by

[1993]

(a) planting trees

(b) cultivating crops

(c) growing algae in tanks

(d) growing grasses

Show Answer

Answer : c

Hints & Solution

(c) Algae are the most efficeint photosynthesising organisms. Algae are believed to be a good source of renewable energy because of its rapid growth rate and its ability to be cultivated in waste water or waste land. Several companies and government agencies are making efforts to reduce capital cost and operating costs and make algae fuel production commercially viable.