Agar is not obtained from
(1) Gelidium
(2) Gracilaria
(3) Volvox
(4) All of these
Which of the marine algae is not used as food?
(1) Laminaria
(2) Sargassum
(3) Porphyra
(4) Volvox
Pyrenoid is
(1) Storage bodies located in cytoplasm of chloropbyceae
(2) Storage bodies located in cytoplasm of Phaeophyceae
(3) Storage bodies located in chloroplast of chlorophyceae
(4) Storage bodies located in chloroplast of Phaeophyceae
. Pyrenoid has
(1) Protein+Starch
(2) Only Protein
(3) Only Starch
(4) Fats+ Starch
Vegetative reproduction in chlorophyceae takes place by
(1) Fragmentation+ spore formation
(2) Only spore formation
(3) Only Fragmentation
(4) Isogamous
Asexual reproduction in chlorophyceae is by
(1) Zoospore formation in Antheriodiophore
(2) Fragmentation
(3) Zoospore formation in Zoosporangia
(4) Both 1 and 2
Zoospore formed during asexual reproduction in chlorophyceae are
(1) Flagellated
(2) Non-flagellated
(3) Ciliated
(4) Non ciliated
Sexual reproduction in chlorophyceae is of
(1) Isogamous type
(2) Anisogamous type
(3) Oogamous type
(4) All of these
This picture is associated with an organism that belongs to a class. Which of the following features is not correct about that class?
(1) Three types of sexual reproduction
(2) A variety of chloroplast in different species
(3) Inner pectose and outer cellulose in cell wall
(4) Pigments-choorophyll a and chlorophyll b
Gametophyte in the pteridophytes is
(i) Small, inconspicuous.
(ii) Long lived, unicellular.
(iii) Mostly photosynthetic thalloid or saprophytic.
(iv) Short lived, haploid.
How many statements are correct with respect to gametophyte?
1. Two
2.Three
3. Four
4. One