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Plant Kingdom Mock Exam-7

Question No:1

Spore formation in algae occur during

[A] vegetative reproduction
[B] asexual reproduction
[C] sexual reproduction
[D] during germination



Question No:2

Isogamy is seen in

[A] chlamydomonas
[B] spirogyra
[C] both
[D] none



Question No:3

Algae possessing both Isogamy and an Isogamy is

[A] chlamydomonas
[B] Volvox
[C] spirogyra
[D] Fucus



Question No:4

Male gamete is small and motile and female gamete is large and immotile in

[A] focus
[B] spirogyra
[C] Ulothrix
[D] all



Question No:5

50% CO2 fixation on earth is carried out by

[A] protest
[B] higher plants
[C] algae
[D] none



Question No:6

Marine algae used as food are

[A] laminaria
[B] Sargassum
[C] porphyra
[D] all



Question No:7

Hydrocolloids are secreted by

[A] all of the algae
[B] only brown algae
[C] only red algae
[D] both red and brown algae



Question No:8

Algin is secreted by:

[A] all of the algae
[B] only brown algae
[C] only red algae
[D] both red and brown algae



Question No:9

Carrageen is secreted by

[A] all the algae
[B] only brown algae
[C] only red algae
[D] both red and brown algae



Question No:10

Microbes used in preparation of ice-cream and jellies are grown on the product secreted by

[A] chlorella
[B] Spirulina
[C] gelidium and gracilaria
[D] all



Question No:11

Algae rich in proteins and used as food by space travelers is

[A] chlorella
[B] Spirulina
[C] both
[D] laminaria



Question No:12

Agar is commercially obtained from

[A] gelidium and gracilaria
[B] laminaria and Spirulina
[C] chlorella and Spirulina
[D] chlamydomonas and spirogyra



Question No:13

Green algae are kept in

[A] phaeophyceae
[B] xanmophylls
[C] chlorophyceae
[D] rhodophyceae



Question No:14

The organism which contain chlorophyll ‘a’ and ‘b’ cup-shaped chloroplast and is unicellular is

[A] spirogyra
[B] chlamydomonas
[C] Volvox
[D] Ulothrix



Question No:15

Dominance of chlorophyll ‘a’ and ‘b’, pyrenoids and starch as stored food are found in

[A] members of chlorophyceae
[B] members of rhodophyceae
[C] members of phaeophyceae
[D] all