NCERT exemplar objective type questions 1 — task. Science CBSE, Class 10.

PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo

Choose the best answer:

1. An ecosystem includes __________.

all living organisms
both living organisms and non-living objects
sometimes living organisms and sometimes non-living objects
non-living objects

2. In an ecosystem, the 10% of energy available for transfer from one trophic level to the next is in the form of

light energy
heat energy
chemical energy
mechanical energy

Login or Fast registration

Previous theory

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content