Which one of the following statements is wrong?

(1) Algin and carrageenan are products of algae

(2) Agar-agar is obtained from Gelidium and Gracilaria

(3) Chlorella and Spirulina are used as space food

(4) Mannitol is stored food in Rhodophyceae

Subtopic:  Algae |
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Male gametes are flagellated in

1. Polysiphonia

2. Anabaena

3. Ectocarpus

4. Spirogyra

Subtopic:  Algae |
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The most primitive among the living vascular plants are the

(1) ferns

(2) brown algae

(3) mosses

(4) cycads

Subtopic:  Bryophytes |
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Non flowering plants are included under

(1) cryptogamae

(2) phanerogamae

(3) angiosperms

(4) Both a and b

Subtopic:  Classification System: II | Classification System |
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Chlorophyll present in red algae is

(1) a, d

(2) a, b

(3) a, c

(4) b, c

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
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Shape of chloroplast present in Ulothrix is

(1) cup shaped

(2) girdle shaped

(3) star shaped

(4) diffused type

Subtopic:  Algae |
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This plant is used as a packing material and also forms an excellent fodder for feeding cattle.

(1) Medicago

(2) Pongamia

(3) Cratolaria

(4) All of these

Subtopic:  General Account of Angiosperms |
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The green alga rich in proteins used as food supplements even by space travelers is

(1) Chlorella

(2) Scendesmus

(3) Porphyra

(4) Spirulina

Subtopic:  Algae |
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Roots of higher plants show symbiosis with mycorrhiizas for obtaining

(1) sulphates

(2) nitrogen

(3) phosphates

(4) All of these

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
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The world's tallest (angiosperm) flowering tree is

(1) Sequoia

(2) Eucalyptus

(3) Pinus

(4) Cedrus

Subtopic:  General Account of Angiosperms |
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