Assertion : Red algae contribute to the production of coral reefs.
Reason : Some red algae secrete and deposit calcium carbonate over their walls.

Which of the following is incorrectly matched?

In $Spirogyra$,meiosis occurs in

Read the following statements and choose the set of correct statements: In the members of Phaeophyceae,
$A$. Asexual reproduction occurs usually by biflagellate zoospores.
$B$. Sexual reproduction is by oogamous method only.
$C$. Stored food is in the form of carbohydrates which is either mannitol or laminarin.
$D$. The major pigments found are chlorophyll $a$,$c$ and carotenoids and xanthophyll.
$E$. Vegetative cells have a cellulosic wall,usually covered on the outside by gelatinous coating of algin.
Choose the correct answer from the options given below:

Haplontic life cycle is represented by

Which is the correct statement for $Ulothrix$?