Both bryophytes and pteridophytes:
1. are vascular cryptogams
2. have a dominant sporophyte
3. reproduce only sexually
4. are haplo-diplontic
The first group of terrestrial plants to get rid of the swimming sperm was the:
(1) Club mosses
(2) Ferns
(3) Gymnosperms
(4) Angiosperms
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.
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
Zygotic meiosis is characteristic of
(1) Marchantia
(2) Fucus
(3) Funaria
(4) Chlamydomonas
An example of colonial alga is
1. Chlorella
2. Volvox
3. Ulothrix
4. Spirogyra
Select the mismatch
(1) |
Pinus |
Dioecious |
(2) |
Cycas |
Dioecious |
(3) |
Salvinia |
Heterosporous |
(4) |
Equisetum |
Homosporous |
Double fertilisation is exhibited by
(1) gymnosperms
(2) algae
(3) fungi
(4) angiosperms
Life cycle of Ectocarpus and Fucus respectively are
(1) Haplontic, Diplontic
(2) Diplontic, Haplodiplontic
(3) Haplodiplontic, Diplontic
(4) Haplodiplontic, Haplontic
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