Description : A plant having seeds but lacking flowers and fruits belongs to (a) pteridophytes (b) mosses (c) ferns (d) gymnosperms.
Last Answer : (d) gymnosperms.
Description : Liverworts and mosses are characterized by their lack of vascular conducting tissue. These two groups of plants, liverwort and mosses, are known by which of the following terms: a) thallophytes (pron: THAL-o-fights) ... (pron: JIM-na-sperms) c) bryophytes (pron: BRIE-o-fights) d) none of the above
Last Answer : ANSWER: C -- BRYOPHYTES
Description : .A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises (a) gymnosperms and flowering plants (b) pteridophytes and gymnosperms (c) gymnosperms only (d) bryophytes and pteridophytes
Last Answer : d) bryophytes and pteridophytes.
Description : Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes
Last Answer : Ans. ((b))
Description : Which of the following are mostly woody trees, always perennials and never herbs or annuals? (a) Angiosperms (b) Gymnosperms (c) Pteridophytes (d) Bryophytes
Last Answer : Ans:(b)
Description : Pollination occurs in (a) bryophytes and angiosperms (b) pteridophytes and angiosperms (c) angiosperms and gymnosperms (d) angiosperms and fungi.
Last Answer : (c) angiosperms and gymnosperm
Description : .Multicellular branched rhizoids and leafy gametophytes are the characteristics of (a) some bryophytes (b) pteridophytes (c) all bryophytes (d) gymnosperms.
Last Answer : (a) some bryophytes
Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D
Last Answer : (a) A, D and E
Description : Pteridophytes differ from bryophytes and thallophytes in having (a) vascular tissues (b) motile antherozoids (c) archegonia (d) alternation of generations
Last Answer : (a) vascular tissues
Description : $ Tracheophytes are the plants with vascular tissues. ! Tracheophytes are of three types (i) Pteridophytes (ii) Gymnosperms (iii) Angiosperms
Last Answer : $ Tracheophytes are the plants with vascular tissues. ! Tracheophytes are of three types (i) Pteridophytes (ii ... D. If both As and R are wrong.
Description : Pteridophytes differ from mosses/bryophytes in possessing (a) independent gametophyte (b) well developed vascular system (c) archegonia (d) flagellate spermatozoids.
Last Answer : (b) well developed vascular system
Description : Absorptive heterotrophic nutrition is exhibited by (a) algae (b) fungi (c) bryophytes (d) pteridophytes.
Last Answer : (b) fungi
Description : Delicious chilgoza seeds, commercially important products such as turpentine and resin and the drug ephedrine, useful in asthma and other respiratory ailments, are all obtained from plants that are (a) Ferns (b) Algae (c) Monocotyledons and dicotyledons (d) Gymnosperms
Last Answer : Ans:(d)
Description : Our major foods, fibres, spices, fruits and beverage crops are (a) Flowering plants (b) Gymnospermous plants (c) Pteridophytes (d) Bryophytes
Last Answer : Ans:(a)
Description : Bryophytes can be separated from algae, because they (a) possess archegonia (b) contain chloroplast (c) are thalloid forms (d) have no conducting tissue
Last Answer : (a) possess archegonia
Description : The name given to a structure present in angiosperms but lacking in gymnosperms is?
Last Answer : ANSWER: OVARY or OVULARY
Description : Which one of the following is a correct statement? (a) Pteridophyte gametophyte has a protonemal and leafy stage. (b) In gymnosperms, female gametophyte is free- living. (c) Antheridiophores and ... are present in pteridophytes. (d) Origin of seed habit can be traced in pteridophytes.
Last Answer : (d) Origin of seed habit can be traced in pteridophytes.
Description : 85. Which one of the following is a correct statement ? (1) Origin of seed habit can be traced in pteridophytes (2) Pteridophyte gametophyte has a protonemal and leafy stage (3) In gymnosperms female gametophyte is free-living (4) Antheridiophores and archegoniophores are present in pteridophytes
Last Answer : Origin of seed habit can be traced in pteridophytes
Description : Similarities between bryophytes and pteridophytes? -Biology
Last Answer : answer:
Description : In bryophytes and pteridophytes, transport of male gametes requires
Last Answer : In bryophytes and pteridophytes, transport of male gametes requires (A) Birds (B) Water (C) Wind (D) Insects
Description : Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.
Last Answer : Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.
Description : In bryophytes and pteridophytes, transport of male gametes requires (a) birds (b) water (c) wind (d) insects
Last Answer : (b) water
Description : The species that flower are called -------? A. Gymnosperms B. Bryophytes C. Angiosperms (Answer)
Last Answer : C. Angiosperms (Answer)
Description : Double fertilisation is characteristic of (a) angiosperms (b) anatropous (c) gymnosperms (d) bryophytes.
Last Answer : (a) angiosperms
Description : Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be (a) smaller but to have larger sex organs (b) larger but to have smaller sex organs (c) larger and to have larger sex organs (d) smaller and to have smaller sex organs.
Last Answer : (d) smaller and to have smaller sex organs.
Description : Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes
Description : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is triploid in Angiospherms
Last Answer : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is ... D. If both As and R are wrong.
Description : Write the important characteristics of gymnosperms with respect to following points: 1. Vascular tissues 2. Roots 3. Spores 4. Leaves
Last Answer : Write the important characteristics of gymnosperms with respect to following points: 1. Vascular tissues 2. Roots 3. Spores 4. Leaves
Description : Why bryophytes are called non vascular Cryptogams?
Last Answer : Ans: Bryophytes do not contain Xylem and phloem tissues so they are non vascular and do not produce visible flowers. So they are Cryptogams.
Description : Double fertilisation is exhibited by (a) algae (b) fungi (c) angiosperms (d) gymnosperms.
Last Answer : c) angiosperms
Description : Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores
Last Answer : (d) Mucor has biflagellate zoospores
Description : Double fertilization is exhibited by : (1) Algae (2) Fungi (3) Angiosperms (4) Gymnosperms
Last Answer : (3) Angiosperms
Description : Double fertilization is exhibited by: a) Gymnosperms b) Algae c) Fungi d) Angiosperms
Last Answer : d) Angiosperms
Description : Similarities between the bryophytes and the algae? -Biology
Description : Difference between bryophytes and algae. -Biology
Description : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a
Last Answer : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. ... , fungi,algae and bryophytes is haploid.
Description : Lichen is considered to be a symbiotic association of two living organisms. Which organisms are involved in it? (a) Algae and bacteria (b) Algae and fungi (c) Algae and bryophytes (d) Fungi and bryophytes
Description : Chlorophyll containing autotrophic thallophytes is called as – (1) Algae (2) Lichens (3) Fung (4) Bryophytes
Last Answer : (1) Algae Explanation: Algae are chlorophyll (green pigment) containing thallophytes. They prepare their own food and are thus autotrophic in their mode of nutrition.
Description : Which one of the following is an indicator of air pollution? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens
Last Answer : (4) Lichens Explanation: Lichens are an indicator of air pollution.
Description : The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria
Last Answer : (1) Cyanobacteria Explanation: Cyanobacteria or blue green algae were the photosynthetic organisms that lived in the ancient ocean. It liberated the oxygen found in the iron oxide.
Description : BGA (blue green algae) are included in which of the following groups? (a) Bryophytes (b) Prokaryotes (c) Protista (d) Fungi
Last Answer : (b) Prokaryotes
Description : Secondary growth occurs in a. Trees b. Algae c. Fungi d. Bryophytes
Last Answer : a. Trees
Description : Chlorophyll containing autotrophic thallophytes is called as (1) Algae (2) Lichens (3) Fung (4) Bryophytes
Last Answer : Algae
Description : Which one of the following is an indicator of air pollution ? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens
Last Answer : Lichens
Description : $ Angiosperms produce seeds, but do not produce fruits. ! Fruit and seed formation occurs in Gymnosperms.
Last Answer : $ Angiosperms produce seeds, but do not produce fruits. ! Fruit and seed formation occurs in Gymnosperms. A. ... wrong D. If both As and R are wrong.
Description : Which of the following describes the major difference between bryophytes (pron: bry-oh-fites) and tracheophytes (pron: tray-key-o-fites)? a) tracheophytes can survive on land b) ... inside fruits c) tracheophytes can make their own food d) tracheophytes have vessels to transport materials
Last Answer : ANSWER: D -- TRACHEOPHYTES HAVE VESSELS TO TRANSPORT MATERIALS
Description : Vascular plants without seeds? -Biology
Description : The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids.
Last Answer : (d) tracheids.
Description : The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids
Last Answer : d) tracheids.