Zygotic meiosis is a characteristic of .........

Iodine is obtained from the members of

Some characters of algae are given below:
$a.$ Floridean starch
$b.$ Sulphated phycocolloids in cell wall
$c.$ Alginic acid
$d.$ Trumpet hypha
$e.$ Haplodiplontic life cycle
$f.$ Isomorphic alternation of generation
$g.$ Fucoxanthin
$h.$ Phycoerythrin
$i.$ Zygotic meiosis
$j.$ Two anterior flagella
Which of the given set of characters belongs to $Laminaria$?

How does asexual reproduction occur in $Spirogyra$?

The reserve food material in algae is:

Hydrocolloid carrageen is obtained from: