Mannitol is the stored food in:
1. Chara
2. Porphyra
3. Fucus
4. Gracillaria
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAsexual spored in brown algae are
1. Non-motile sporangiospore.
2. Biflagellated zoospores with two equal flagella.
3. Quadriflagellated zoospores with thick cell walls.
4. Biflagellated zoospores with two unequal lateral flagella.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStipe, hold fast and frond are the terms associated with
1 Gracilaria
2 Polysiphonia
3 Laminaria
4 Chara
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following groups of algae produces algin?
(1) Phaeophyceae and Chlorophyceae
(2) Rhodophyceae and Phaeophyceae
(3) Chlorophyceae and Rhodophyceae
(4) Phaeophyceae only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMannitol is a sugar alcohol. It is as stored food in:
1. Fucus
2. Gracillaria
3. Chara
4. Porphyra
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLeaf like photosynthetic organ is associated with algal group
1 Showing only oogamous reproduction
2 Having predominance of r-phycoerythrin
3 Where members may reach a height of 100 metres
4 Usually having grass-green colour
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAsexaul reproduction by pear shaped biflagellate zoospores is seen in most:
1. Green algae
2. Brown algae
3. Red algae
4. Both (2) and (3)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the incorrectly matched pair:
1. Ulothrix – Zygote is single celled diploid generation
2. Spirogyra – Zygote is a resistant structure
3. Cycas – Coralloid roots
4. Fucus – Isogametes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Phaeophyceae, the spores (zoospores) are
1. Pyriform and bear 2 flagella (one longitudinal and other transverse).
2. Pear-shaped and bear 2 flagella that are laterally attached.
3. Pyriform and bear 2-8, equal and apial flagella.
4. Pear-shaped and bear 2-8, equal and apical flagella.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe members of phaeophyceae are characterized by all, except
1. | Presence of chlorophyll a, c and fucoxanthin pigments. |
2. | Production of pear-shaped and biflagellated asexual spores. |
3. | Production of pyriform gametes that bear laterally attached flagella. |
4. | Their occurrence, mostly in fresh water habitats. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology