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Planet Kingdom MCQ Question with Answer

Planet Kingdom MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 22
Which of the following statement is incorrect ?

Double fertilization is unique to gymnosperms and monocotyledons.
Sequoia, a gymnosperm, is one of the tallest tree species.
Phaeophyceae members possess chlorophyll a, c, carotenoids and xanthophylls.
Moss is a gametophyte which consists of two stages namely, protonemal stage and leafy stage.
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Question No : 23
Which one of the following is the major difference between mosses and ferns ?

Ferns lack alternation of generation while mosses show the same.
Mosses are facultative aerobes while ferns are obligate aerobes.
Vascular bundles of ferns show xylem vessels while those of mosses lack it.
Sporophytes of ferns live much longer as compared to the sporophytes of mosses.
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Question No : 24
What is the similarity between gymnosperms and angiosperms?

Phloem of both have companian cells.
Endosperm is formed before fertilization in both.
Origin of ovule and seed is similar in both.
Both have leaves, stem and roots.
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Question No : 25
Which one of the following term is correctly matched with their definition in Pinus ?

Monoecious Male (microsporangiate) and female (megasporangiate) cones are produced on same plant.
Monoecious Male and female sporophylls borne on same strobilus.
Dioecious Male and female cones are produced on different plants.
Monoecious Micro and megasporocarp develop on same plant.
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Question No : 26
Which of the following statement(s) is incorrect about mosses ?

The predominant stage of its life cycle is the gametophyte which consists of two stages protonema and leafy stages.
Leafy stage are attached to the soil through unicellular and branched rhizoids.
Sex organs-antheridia and archegonia are produced at the apex of the leafy shoots.
All of the above
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Question No : 27
Which of the following statement(s) is/are correct ?

In angiosperms, each embryo sac has a three-celled egg apparatus one egg cell and two synergids, three antipodal cells and two polar nuclei.
All seed bearing plants i.e., gymnosperms and angiosperms follow dipontic life patterns of plants.
In gymosperms, roots in some genera have fungal association in the form of mycorrhiza (Pinus) while in some others (Cycas) small specialized roots called coralloid are associated with N2 fixing cyanobacteria.
All of the above
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Question No : 28
Which one of the following statement concerning the algae is incorrect ?

Most algae are photosynthetic.
Algae can be classified according to their pigments.
All algae are filamentous.
Spirogyra does not produce zoospores.
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