Prepare for NEET Biology Plant Kingdom (Phaeophyceae) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to examine brown algae morphology, fucoxanthin pigments, and life cycles.
Consider the following statements about sexual reproduction in brown algae?
I. Sexual reproduction may be oogamous isogamous or anisogamous
II. Union of gametes take place in water or within the oogonium
III. The gametes are pear-shaped and bear two laterally attached flagella
Which of the statements given above are correct?
I and II
I and III
II and III
I, II and III
In brown algae, food is stored in the form of
Starch
Laminarin and Mannitol
Glycogen
Glucose
In brown algae asexual reproduction takes place by
Zoospores and aplanospores
Binary fission
Budding
Conjugation
Consider the following statements about brown algae
I. The largest kelps are Nereocystis and Macrocystis
II. Brown algae have gelatinous coating outside the, cellulosic cell wall called algin
III. Food obtained from Laminaria saccharina is known as โKombuโ
Which of the statements given above are correct?
I and II
I and III
II and III
I, II and III
Which of the following algae are suitable for human consumption?
Spirulina
Pfiesteria
Gymnodinium
Alexandrium
Which of the following group of marine algae are used as food?
Chlamydomonas, Volvox and Gracilaria
Porphyra, Laminaria and Sargassum
Laminaria and Gracilaria
Porphyra and Chlamydomonas
The members of brown algae have
Chlorophyll-a, chlorophyll-b, xanthophylls
Chlorophyll-a, chlorophyll-c, xanthophylls and carotenoids
Fucoxanthin and xanthophylls
Chlorophyll-a and xanthophylls
In brown algae, brown colour is due to presence of
Carotenoids
Fucoxanthin
Phycoerythrin
Chlorophyll
Laminarin and manitol of class-Phaeophyceae (brown algae) are
Proteins
Complex carbohydrates
Lipoproteins
Fat