Question

6.Which one of the following is known as azo a.oxygen b.nitrogen c.sulphur d.carbon dioxid 7. Microorganisms are measured in a.cm b.mm c.micron d.meter. 8.Binomial nomenclature was first introduced a. 1970 b.1975 c. 1978 d. 1923. 9.Plant that prevent soil erosion are a. Algae b.fungi c.bryophytes d.pteridophytes ​

Answer 1

Answer:

6) B.

7) C.

8) D.

9. C.

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