The first group of terrestrial plants to get rid of the swimming sperm was the:

(1) Club mosses

(2) Ferns

(3) Gymnosperms

(4) Angiosperms

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Which one is a wrong statement?

(1) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.

(2) Mucor has biflagellate zoospores.

(3) Haploid endosperm is typical feature of gymnosperm.

(4) Brown algae have chlorophyll-a and c, and fucoxanthin.

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Read the following five statements (I to V) and select the option with all correct statements.

I. Mosses and lichens are the first organisms to colonise a bare rock.

II. Selaginella is a homosporous pteridophyte.

III. Coralloid roots in Cycas have VAM.

IV. main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.

V. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

(1) I, III and IV

(2) II, III and IV

(3) I, IV and V

(4) II, III and V

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Zygotic meiosis is characteristic of

(1) Marchantia

(2) Fucus

(3) Funaria

(4) Chlamydomonas

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An example of colonial alga is

(1) Chlorella

(2) Volvox

(3) Ulothrix

(4) Spirogyra

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Select the mismatch

(1)

Pinus

Dioecious

(2)

Cycas

Dioecious

(3)

Salvinia

Heterosporous

(4)  

Equisetum     

Homosporous
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Double fertilisation is exhibited by

(1) gymnosperms

(2) algae

(3) fungi

(4) angiosperms

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Life cycle of Ectocarpus and Fucus respectively are

(1) Haplontic, Diplontic

(2) Diplontic, Haplodiplontic

(3) Haplodiplontic, Diplontic

(4) Haplodiplontic, Haplontic

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Conifers are adapted to tolerate extreme environmental conditions because of

(1) broad hardy leaves

(2) superficial stomata

(3) thick cuticle

(4) the presence of vessels

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Which one of the following statements is wrong?

(1) Algae increases the level of dissolved oxygen in the immediate environment

(2) Algin is obtained from red algae and ccarrageenan from brown algae

(3) Agar-agar is obtained from Gelidium and Gracilaria

(4) Laminaria and Sargassum are used as food

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