Question

Model Test Paper - 1
Unit- I (Environment)
"ime: 1 Hr. 30 Min.
M.M
Environmental education should be imparted only at:
Primary school stage
(b) Secondary school stage
College stage
(d) All stages
Organisms which cannot manufacture their own organic food are called:
Autotrophs
(b) Consumers
Heterotrophs
(d) Decomposers
Maximum concentration of ozone is at altitude of:
10 - 20 km
(b) 23 - 25 km
30 - 35 km
(d) 42 - 50 km
Oxygen deficiency in body is;
Anoxia
(b) Hypoxia
globinemia
d) None of the above​

Answer 1

Answer:

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 2

Answer:

sorry

It is your paper should solve yourself