Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 10
Our environment
Textbook based HOTS
46.
Multiple choice questions XXXXVI
Exercise condition:
2
m.
1
.
An ecosystem includes
both living organisms and non-living objects
sometimes living organisms and sometimes non-living objects
non-living objects
all living organisms
2
.
In the given food chain, suppose the amount of energy at fourth trophic level is 5 kJ, what will be the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
5 kJ
500 kJ
50 kJ
5000 Kj
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!