Which life cycle is characterized by zygotic meiosis?
Haplontic
Diplontic
Haplo-diplontic
Diplo-haplontic
Related Questions
Agar is
Obtained from green algae
Used in tissue in culture medium
Stored food in brown algae
Pigment present in Red algae
If an organism undergoes zygotic meiosis, what is the ploidy of the dominant stage in its life cycle?
Haploid
Diploid
Triploid
Tetraploid
A ring of multiciliate zoogonidium is found in
Ulothrix
Zygnema
Oedogonium
Chara
Floridean starch is stored in members of
Phaeophyceae
Chlorophyceae
Cyanophycene
Rhodophyceae
The mannitol is the stored food material of which group of algae?
Chlorophyta
Rhodophyta
Phaeophyta (Brown algae)
Cyanobacteria
Consider the following statements regarding reproduction in class-Chloropyceae.
I. Asexual reproduction is mainly by flagellated zoospores produced in zoosporangia.
II. The sexual reproduction shows considerable variation in the type and formation of sex cells and it may be isogamous, anisogamous and oogamous.
Which of the statements given above are correct?
Only I
Only II
I and II
None of these
Choose the correct match regarding forms ofΒ Algae
Colonial β volvox
Unicellular β chara
Filamentous β chlamydomonas
Branched filamentous β spirogyra
Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given.I. In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.II. In Phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and b.III. In Rhodophyceae, floridean starch is the stored food and major pigments are chlorophylla-a,d and phycoerythrin.
I is correct, but II and III are incorrect
I and II are correct, but III is incorrect
I and III are correct, but II is incorrect
III is correct, but I and II are incorrect
Which algal group possesses chlorophyll a and c, but lacks chlorophyll b?
Chlorophyceae
Phaeophyceae
Rhodophyceae
Cyanophyceae
Chlamydomonas nivalis is responsible for
Red snow
Red rust of tea
Yellow snow
Brown snow