Which of the following best describes the algae known as diatoms? Cells are encased in rigid walls composed of cellulose coated with silicon Cells contain carotenoid pigments as well as chlorophyll A and B Cells have flagella and a light-detecting eye spot Cells have intricate shells of silicon dioxide with two halves TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following algal divisions is characterized by possession of chlorophylls A and B, paramylon as the energy storage material, and the presence of a pellical instead of a cell wall? Euglenophyta Chrysophyta Chlorophyta Pyrrophyta TRUE ANSWER : ? YOUR ANSWER : ?
Frustules made of silica are characteristic of diatoms desmids seaweeds euglenoids TRUE ANSWER : ? YOUR ANSWER : ?
Zooxanthellae are algal symbiont that live within coral reef animals. These algae belong to rhodophyta chrysophyta chlorophyta pyrrophyta TRUE ANSWER : ? YOUR ANSWER : ?
Which algal division never produces motile, flagellated cells among any of its members? Chrysophyta Rhodophyta Chlorophyta Phaeophyta TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following algal divisions is characterized by possession of chlorophylls A and B, starch as the energy storage material, cellulosic cell walls and live in freshwater and marine habitats? Chlorophyta Chrysophyta Pyrrophyta Phaeophyta TRUE ANSWER : ? YOUR ANSWER : ?
Chlamydomonas and Volvox are similar because Both (a) and (b) they both are motile they are members of the Chlorophyta none of these TRUE ANSWER : ? YOUR ANSWER : ?
The number of members of the division Phaeophyta that live in freshwater habitats is lesser than the number of members of the division Chlorophyta that live in freshwater habitats is greater than the number of members of the division Chloro-phyta that live in freshwater habitats is equal to the number of members of the division Chlorophyta that live in freshwater habitats None of these TRUE ANSWER : ? YOUR ANSWER : ?
Agar, which is the solidifying agent in many bacterial culture media, is part of the cell wall of rhodophyta chrysophyta chlorophyta pyrrophyta TRUE ANSWER : ? YOUR ANSWER : ?
Chrysolaminarin is an energy storage material characteristic of rhodophyta chrysophyta chlorophyta phaeophyta TRUE ANSWER : ? YOUR ANSWER : ?