Plant Kingdom Quiz 2 – Punjab Meritorious School Preparation Portal

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Select the correct option w.rt motility and origin of asexual spores of green algae

Motile and endogenous

Non motile and endogenous

Motile and exogenous

Non-motile and exogenous

Which of the following algae reproduce asexually by non-motile spores only?

Dictyota

Ectocarpus

Ulothrix

Polysiphonia

Chlorophyll b, chlorophyll d and cholorophyll c are major pigments in _______, _________ and ______ respectively

Chlorophyceae, phaeophyceae and rhodophyceae

Phaeophyceae, rhodophyceae and chlorophyceae

Rhodophyceae, phaeophyceae and Chlorophyceae

Chlorophyceae, rhodophyceae and phaeophyceae

Which photosynthetic pigment help members of Rhodophyceae to grow at great depths in oceans ?

Phycocyanin

Phycoerythrin

Carotene

Fucoxanthin

Stored food in Polysiphonia is structurally very similar to

Starch and amylose

Amylopectin and glycogen

Amylose and glycogen

Mannitol and amylopectin

Agar is obtained from

Gracilaria

Laminaria

Gelidium

Both (1) & (3)

Kelps are

Filamentous brown algae

Profusely branched brown algae

Profusely branched red algae

Colonial green algae

Select the incorrect statement w.r.t. Dictyota

Food is stored in the form of mannitol

Vegetative cells have coating of algin, surrounding the cellulosic wall

Zoospores are pyriform and bear two equal laterally attached flagella

It is marine alga

Which of the following alga are used as food supplements by space travellers?

Laminaria and Chlorella

Spirogyra and Spirullina

Spirullina and Chlorella

Chlorella and Spirogyra

How many among the following are members of rhodophyceae and phaeophyceae, respectively?

5, 4

3,5

4,5

4, 4

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