MCQ
The chief component of bacterial cell wall is
- ACellulose and chitin
- BCellulose and pectin
- ✓Amino acids and polysaccharides
- DCellulose and carbohydrates
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$I.$ $pH$ of soil
$II.$ mineral composition of the soil
$III.$ water holding capacity of soil
$IV.$ weather condition
Choose the correct option
$B$ .Seed formation
$C$ .Fertilization process
What is appropriate for gymnosperms
$(a)$ The sporophyte in liverworts is more elaborate than that in mosses
$(b)$ Salvinia is heterosporous
$(c)$ The life cycle in all seed-bearingplants is diplontic
$(d)$ In pinus male and female cones areborne on different trees