1.

Question : C_(3) plants have been used as greenhouse crops for higher yields because :-

Answer»

These plants show `CO_(2)` SATURATION at about `360 mu 1L^(–1)`
Current availability of `CO_(2)` levels is LIMITING to `C_(3)` plants
These plants are PHOTOSYNTHETICALLY efficient than `C_(4)` plants
`C_(3)` plants loses LESS water as compare to `C_(4)` plants

Answer :B


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