15193.Gymnosperms are
Flowering plants
Seed bearing plants
Seedless flowering plants
Fruit bearing seed plants
15194.Consider the following four statements whether they are correct or wrong?
(a) The sporophyte in liverworts is more elaborate than that in mosses
(b) Salvinia is heterosporous
(c) The life-cycle in all seed bearing plants is diplontic
(d) In Pinus male and female cones are borne on different trees
The two wrong statements together are
(a) The sporophyte in liverworts is more elaborate than that in mosses
(b) Salvinia is heterosporous
(c) The life-cycle in all seed bearing plants is diplontic
(d) In Pinus male and female cones are borne on different trees
The two wrong statements together are
Statements (b) and (c)
Statements (a) and (b)
Statements (a) and (c)
Statements (a) and (d)
15195.Corn and beans are often cited as representative examples of ______, respectively.
Ferns and mosses
Cycads and conifers
Monocots and dicots
Whisk ferns and horsetails
15196.Gymnosperms produce neither flower nor fruit because they do not possess
Embryo
Ovary
Ovule
Seed
15197.Which of the following groups of algae do not have eukaryotic organization?
Blue green algae
Green algae
Golden brown algae
Red algae
15207.In a seed plant the microspore gives rise to the
Pollen grain
Egg
Female gametophyte
Sporophyte
15208.In gymnosperms, the ovule is naked because
Ovary wall is absent
Integuments are absent
Perianth is absent
Nucellus is absent
15209.In Spirogyra sexual reproduction takes place by
Somatogamy
Fragmentation
Conjugation
None of the above
15210.In which of the following groups would you place a plant which produces seeds but lacks flowers?
Fungi
Pteridophytes
Bryophytes
Gymnosperms