In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result:

(1) there is no change in success rate of fertilization

(2) there is high degree of sterility

(3) one can conclude that the plant is apomictic

(4) self fertilization is prevented

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In which of the following gametophyte is not independent free-living?

(a)  Funaria           (b)  Marchantia

(c)  Pteris              (d)  Pinus

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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

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Male gametes are flagellated in

(a) Polysiphonia

(b) Anabaena

(c) Ectocarpus

(d) Spirogyra

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The most primitive among the living vascular plants are the

(1) ferns

(2) brown algae

(3) mosses

(4) cycads

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Non flowering plants are included under

(1) cryptogamae

(2) phanerogamae

(3) angiosperms

(4) Both a and b

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Chlorophyll present in red algae is

(1) a, d

(2) a, b

(3) a, c

(4) b, c

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Shape of chloroplast present in Ulothrix is

(1) cup shaped

(2) girdle shaped

(3) star shaped

(4) diffused type

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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

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Maximum protein is present in (which is used as food in space)

(1) Chlorella

(2) Scendesmus

(3) Porphyra

(4) Spirulina

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