Isogamous condition with non-flagellated gametes is found in:

In algae,asexual reproduction occurs by the production of different types of spores. The most common type of spore is

Algin is a phycocolloid,obtained from the cell wall of

The red colour of 'Red Sea' is due to which of the following algae?

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 $Laminaria$?

The characteristics of Thallophyta are .........