Plant Kingdom - Related Objective Questions (Free Quiz)

1➤ From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in

1 point Liverworts Mosses Pteridophytes Gymnosperms

2➤ Which one is wrongly matched?

1 point Uniflagellate gametes – Polysiphonia Biflagellate zoospores – Brown algae Unicellular organism – Chlorella Gemma cups – Marchantia

3➤ Winged pollen grains are present in

1 point Mustard Cycas Pinus Mango

4➤ Which of the following statements is correct?

1 point Ovules are not enclosed by ovary wall in gymnosperms Selaginella is heterosporous, while Salvinia is homosporous Stems are usually unbranched in both Cycas and Cedrus Horsetails are gymnosperms

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5➤ Select the mismatch :

1 point Pinus – Dioecious Cycas – Dioecious Salvinia – Heterosporous Equisetum – Homosporous

6➤ An example of colonial alga is

1 point Chlorella Volvox Ulothrix Spirogyra

7➤ Life cycle of Ectocarpus and Fucus respectively are

1 point Haplontic, Diplontic Diplontic, Haplodiplontic Haplodiplontic, Diplontic Haplodiplontic, Haplontic

8➤ Conifers are adapted to tolerate extreme environmental conditions because of

1 point Broad hardy leaves Superficial stomata Thick cuticle Presence of vessels

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9➤ Which one of the following statements is wrong?

1 point Algae increase the level of dissolved oxygen in the immediate environment Algin is obtained from red algae, and carrageenan from brown algae Agar-agar is obtained from Gelidium and Gracilaria Laminaria and Sargassum are used as food

10➤ Select the correct statement

1 point The leaves of gymnosperms are not well adapted to extremes of climate Gymnosperms are both homosporous and heterosporous Salvinia, Ginkgo and Pinus all are gymnosperms Sequoia is one of the tallest trees

11➤ Which one is a wrong statement?

1 point Brown algae have chlorophyll a and c, and fucoxanthin Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms Mucor has biflagellate zoospores Haploid endosperm is typical feature of gymnosperms

12➤ Male gametes are flagellated in

1 point Spirogyra Polysiphonia Anabaena Ectocarpus

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13➤ Which of the following is responsible for peat formation ?

1 point Marchantia Riccia Funaria Sphagnum

14➤ Male gametophyte with least number of cells is present in

1 point Pteris Funaria Lilium Pinus

15➤ Which one of the following shows isogamy with non-flagellated gametes?

1 point Sargassum Ectocarpus Ulothrix Spirogyra

16➤ Select the wrong statement:

1 point Anisogametes differ either in structure, function or behaviour In Oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy Isogametes are similar in structure, function and behaviour

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17➤ Monoecious plant of Chara shows occurrence of

1 point Stamen and carpel on the same plant Upper antheridium and lower oogonium on the same plant Upper oogonium and lower antheridium on the same plant Antheridiophore and archegoniophore on the same plant

18➤ Which one of the following pairs is wrongly matched ?

1 point Ginkgo – Archegonia Salvinia – Prothallus Viroids – RNA Mustard – Synergids

19➤ Gymnosperms are also called soft wood spermatophytes because they lack

1 point Thick-walled tracheids Xylem fibres Cambium Phloem fibres

20➤ Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

1 point Multiplication by fragmentation Diplontic life cycle Members of kingdom Plantae Mode of Nutrition

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