WorksheetsAlgae
Total questions: 26
Worksheet time: 13mins
Agar-Agar is obtained from
Gelidium
Polysiphonia
Fucus
Laminaria
Plants which are not differentiated into roots, stem and leaves are grouped under
Gymnosperms
Pteridophytes
Thallophytes
Spermatophytes
Which are the most primitive group of algae
Blue green algae
Red algae
Brown algae
Green algae
Iodine is obtained from
Ulothrix
Ectocarpus
Laminaria
Oedogonium
Which of the algae is responsible for red colour of red sea
Chlamydomonas brauii
Trichodesmium erythrium
Ulothrix zonata
None of the above
Origin and evolution of sex in algae is best seen in
Blue green algae
Green algae
Brown algae
Red algae
Kelps is obtained from
Algae
Marine algae
Aquatic algae
Lichens
Zygotic meiosis is a characteristic feature of
Algae
Bryophytes
Pteridophytes
Gymnosperms
Cephaleoures is
An epiphytic green algae
A parasitic green algae
An fresh water green algae
A colourless green algae
Sargasso sea is named after an algae Sargassum which is a
Green algae
Brown algae
Red algae
Blue green algae
During rainy season the ground becomes slippery due to dense growth of
Fungi
Algae
Mushroom
None of these
Red colour of the red algae is due to the presence of
Fucoxanthin
C phycocyanin
Carotene
Phycoerythrin
Simplest type of reproduction in plants is found in
Spirogyra
Ulothrix
Chlamydomonas
Volvox
In which of the following alage , isogamy, anisogamy and oogamy all are found?
Chlamydomonas
Oscitillaria
Anabaena
Spirogyra
Red snow' is caused by which of the following in alpine region?
Oscitillaria
Spirogyra
Chlamydomonas nivalis
Batrachospermum
What is the storage product of most algae?
Cellulose
Glycogen
Starch and oil
Fats
Agar, which is the solidifying agent in many bacterial culture media, is part of the cell wall of
Chlorophyta
Chrysophyta
Rhodophyta
Pyrrophyta
The __________ is the vegetative body of algae.
Mycelium
Pseudoplasmodium
Thallus
Root
Chlamydomonas and Volvox are similar because
They both are motile
They are the members of chlorophyta
Both (a) and (b)
None of these
Sea-lettuce is the common name for
Laminaria
Sargassum
Batrachospermum
Ulva
Asexual reproduction in Spirogyra
takes place by zoospore formation
Has not been recorded
takes place by hypnospore formation
takes place by aplanospore formation
Carpogonia is the female sex organ in which of the algae?
Rhodophycophyta
Xanthophycophyta
Chrysophycophyta
Chlorophycophyta
Which of the following is a colonial green alga?
Chlamydomonas
Chlorella
Volvox
Spirogyra
Pyrenoids are
starch surrounded by protein grains
starch surrounded by oil droplets
protein surrounded by oil droplets
protein surrounded by starch grains
Palmella stage is found in
Cytopus
Spirogyra
Chlamydomonas
Volvox
Asexual reproduction in Spirogyra
takes place by zoospore formation
Has not been recorded
takes place by hypnospore formation
takes place by aplanospore formation
