- Identify A, B, C and D in the given figure of a moss.
(a) A-Apophysis, B-Capsule, C-Sporophyte,D-Gameto-
phyte
(b) A-Capsule, B-Seta, C-Sporophyte, D-Gametophyte
(c) A-Apophysis, B-Seta, C-Gametophyte, D-Sporophyte
(d) A-Apophysis, B-Capsule, C-Gametophyte,D-Sporo-
phyte
- Prothallus of pteridophytes is
(a) conspicuous, small, multicellular, free-living, photo-
synthetic thalloid gametophyte
(b) inconspicuous, small, multicellular, free-living, photo-
synthetic thalloid gametophyte
(c) inconspicuous, large, unicellular, free-living, photo-
synthetic thalloid gametophyte
(d) inconspicuous, small, multicellular, free-living, non-
photosynthetic thalloid sporophyte.
- Selaginella and Salvinia are considered to represent a
significant step towards evolution of seed habit because
(a) female gametophyte is free and gets dispersed like
seeds
(b) female gametophyte lacks archegonia
(c) megaspores possess endosperm and embryo
surrounded by seed coat
(d) embryo develops in female gametophyte which is
retained on parent sporophyte.
- Diplontic life cycle is present in
(a) Riccia, Pinus, Fucus
(b) Cycas, Sargassium, Helianthus
(c) Selaginella, Marchantia, Chara
(d) Bryopsis, Pinus, Marsilea
- Select the number of correct statements among the
following.
(i) In liverworts, the leaves generally have a mid-rib.
(ii) Antheridium is stalked in pteridophytes.
(iii) Archegonia is absent in angiosperms.
(iv) In gymnosperms, megasporophyll is commonly woody.
(v) In algae, grana are absent in chloroplast.
(a) 2 (b) 3 (c) 1 (d) 5
11. Sporophyte became more dominant than gametophyte for
the first time in which of the following group of plants?
(a) Pteridophytes (b) Mosses
(c) Liverworts (d) Gymnosperms
12. In angiosperms, the endosperm is
(a) short lived
(b) persistent female gametophyte
(c) formed before fertilisation
(d) formed after fertilisation.
13. Bryophytes do not produce
(a) non-ciliated antherozoids and independent sporophyte
(b) vascular tissue and independent sporophyte
(c) antheridium and archegonium
(d) ciliated sperm and independent gametophyte.
14. Pyrenoids are structures made of
(a) protein and stored starch
(b) starch and stored lipids
(c) protein and stored lipids
(d) all of these.
15. The juvenile stage of the gametophyte of moss is
(a) green, filamentous and branched structure
(b) a tetraflagellate body
(c) dorsiventrally flattened plate-like body
(d) a colourless mass of tubular structure.
Match The Columns
- Match Column I with Column II.
Column I Column II
A. Rolling alga (i) Dryopteris
B. Tree fern (ii) Adiantum caudatum
C. Horse tail (iii) Volvox
D. Male shield fern (iv) Equisetum
E. Walking fern (v) Cyathea
- Match Column I with Column II. (There can be more than
one match for items in Column I).
Column I Column II
A. Agar (i) Gelidium
B. Food supplement (ii) Selaginella
for space travellers
C. Heterosporous (iii) Chlorella
pteridophytes
D. Triploid endosperm (iv) Salvinia
E. Dwarf shoots (v) Eucalyptus
(vi) Gracilaria
(vii) Spirulina
(viii) Acacia
(ix) Pinus
(x) Ginkgo
