EASY
AP EAPCET
IMPORTANT
Earn 100
Assertion (A): Bryophytes are the amphibians of the plant kingdom.
Reason (R): They are found in swamps and areas, where water and land meet.
50% studentsanswered this correctly
Important Questions on Plant Kingdom
EASY
AP EAPCET
IMPORTANT
Character of Pteridophyte considered as an important step in evolution
HARD
AP EAPCET
IMPORTANT
Choose correct pair from the following
Primary producers: Important step in evolution
Specific water requirement for fertilization of Pteridophytes: Restricted to narrow geographical regions
Growth of young embryo in female gametophyte: Food cycle of aquatic animals
Colonization of mosses and Lichens on rocks: Ecological significance
MEDIUM
AP EAPCET
IMPORTANT
Salient features like Embriophytic Tracheophytic, Cryptogams refers to ____.
MEDIUM
AP EAPCET
IMPORTANT
Identify the plant that possess all the following characters
Xylem and phloem are main conducting elements.
Pollen grains are carried by wind.
Transfer of pollen is direct.
Ovules develop into seeds after fertilisation.
EASY
AP EAPCET
IMPORTANT
Features which are highly unique to angiosperms
Multicellular, much reduced and dependent gametophyte
Siphonogamous fertilization
Fusion of male gametes with egg cell and secondary nucleus
Development of ovule into seed
EASY
AP EAPCET
IMPORTANT
Reason for extensive distribution of monocotyledons plants like wheat, maize and barley on the earth's surface are
Equal distribution of water and air in the habitat
Adaptation to excessive water and extensive dryness
Do not show adaptation to extensive dryness
Grow in excessive water and extensive dry areas
EASY
AP EAPCET
IMPORTANT
Assertion (A): Petro plants yield bio-diesel.
Reason (R): Jatropha is rich in hydrocarbons.
EASY
AP EAPCET
IMPORTANT
Which statements regarding heterospory are correct?
(i) The megaspores and microspores germinate and give rise to female and male gametophytes respectively
(ii) The female gametophytes in these plants are retained on the parent sporophytes for variable periods
(iii) The development of the zygotes into young embryos takes place within the female gametophytes
(iv) This event is a precursor to the seed habit considered as an important step in the evolution
