Plant Kingdom


  1. Which one is wrong statement?









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    The spores are non motile in Mucor.

    Correct Option: A

    The spores are non motile in Mucor.


  1. Life cycle of Ectocarpus and Fucus respectively are :









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    Ectocarpus exhibits haplodiplontic life cycle while Fucus has diplontic life cycle.

    Correct Option: B

    Ectocarpus exhibits haplodiplontic life cycle while Fucus has diplontic life cycle.



  1. Algae have cell wall made up of:









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    Algae possess a definite cell wall containing cellulose, galactans and mannans.

    Correct Option: A

    Algae possess a definite cell wall containing cellulose, galactans and mannans.


  1. Mannitol is the stored food in:









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    Mannitol is a food stored in Fucus. Fucus is a genus of brown alga in the class Phaeophyceae to be found in the intertidal zones of rocky seashores almost everywhere in the world. Primary chemical constituents of this plant include mucilage, algin, mannitol, beta-carotene, zeaxanthin, iodine, bromine, potassium, volatile oils, and many other minerals.

    Correct Option: B

    Mannitol is a food stored in Fucus. Fucus is a genus of brown alga in the class Phaeophyceae to be found in the intertidal zones of rocky seashores almost everywhere in the world. Primary chemical constituents of this plant include mucilage, algin, mannitol, beta-carotene, zeaxanthin, iodine, bromine, potassium, volatile oils, and many other minerals.



  1. If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?









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    It will be types of pigment present in the cell, like Rhodophyceae shows presence of phycoerythrin, chlorophyceae shows presence of phycocyanin etc.

    Correct Option: D

    It will be types of pigment present in the cell, like Rhodophyceae shows presence of phycoerythrin, chlorophyceae shows presence of phycocyanin etc.