Description : What is the sporophytic generation of the Marchantia? -Biology
Last Answer : answer:
Description : A plant in which sporophytic generation is represented by zygote is (a) Pinus (b) Selaginella (c) Chlamydomonas (d) Dryopteris
Last Answer : (c) Chlamydomonas
Description : Apomictic embryos in Citrus arise from (a) synergids (b) maternal sporophytic tissue in ovule (c) antipodal cells (d) diploid egg.
Last Answer : (b) maternal sporophytic tissue in ovule
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 : Maternal sporophytic tissue in ovule
Last Answer : Maternal sporophytic tissue in ovule
Description : 2Apomictic embryos in Citrusarise from:a)Diploid eggb)Synergidsc)Maternal sporophytic tissue in ovuled)Antipdal cells
Description : When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as
Last Answer : When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as – Adventive embryony
Description : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as
Last Answer : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as – Adventive polyembryony
Description : Sporophyte of Marchantia. -Biology
Description : Structure of antheridiophore of Marchantia. -Biology
Description : Archegoniophore of Marchantia? -Biology
Description : Mature sporogonium of Marchantia? -Biology
Description : Explain the antheridiophore of Marchantia? -Biology
Description : Explain the archegoniophore of Marchantia? -Biology
Description : Antheridium and archegonium in marchantia? -Biology
Description : Consider the following statements: Marchantia polymorpha (1) Is dioecious (2) Possesses antheridiophores and archegoniophores (3) Lacks foot and seta in its sporophyte (4) Is heterosporous
Last Answer : Ans. ((b))
Description : Which of the following is a parasitic plant? (a) Marchantia (b) Kelp (c) Mushroom (d) Pteris
Last Answer : Ans:(c)
Description : Which of the following is the parasitic plant? (1) Marchantia (2) Kelp (3) Mushroom (4) Pteris
Last Answer : (3) Mushroom Explanation: A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant.
Description : Which one of the following plants is monoecious? (a) Pinus (b) Cycas (c) Papaya (d) Marchantia
Last Answer : (a) Pinus
Description : Which one of the following is monoecious? (a) Marchantia (b) Cycas (c) Pinus (d) Date palm
Last Answer : (c) Pinus
Description : Zygotic meiosis is characteristic of (a) Fucus (b) Funaria (c) Chlamydomonas (d) Marchantia
Description : Which one of the following is a vascular cryptogam? (a) Ginkgo (b) Marchantia (c) Cedrus (d) Equisetum
Last Answer : (d) Equisetum
Description : Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? A B C D (a) Chara Marchantia Fucus Pinus (b) Equisetum Ginkgo Selaginella Lycopodium (c) Selaginella Equisetum Salvinia Ginkgo (d) Funaria Adiantum Salvinia Riccia
Last Answer : (c) Selaginella Equisetum Salvinia Ginkgo
Description : Read the following statements (A - E) and answer the question which follows them. (A) In liverworts, mosses and ferns gametophytes are free-living. (B) Gymnosperms and some ferns are heterosporous. (C) Sexual ... How many of the above statements are correct? (a) Three (b) Four (c) One (d) Two
Last Answer : (a) Three
Description : In which of the following, gametophyte is not independent free living? (a) Pteris (b) Pinus (c) Funaria (d) Marchantia
Last Answer : (b) Pinus
Description : Archegoniophore is present in (a) Marchantia (b) Chara (c) Adiantum (d) Funaria.
Last Answer : a) Marchantia
Description : The plant body is thalloid in (a) Sphagnum (b) Salvinia (c) Marchantia (d) Funaria.
Last Answer : (c) Marchantia
Description : Strobili cones are found in (a) Salvinia (b) Pteris (c) Marchantia (d) Equisetum.
Last Answer : (d) Equisetum.
Description : Elater mechanism for spore dispersal is exhibited by (a) liverworts (b) Marchantia (c) Riccia (d) Funaria.
Last Answer : b) Marchantia
Description : Which of the following is responsible for peat formation? (a) Marchantia (b) Riccia (c) Funaria (d) Sphagnum
Last Answer : (d) Sphagnum
Description : Which one is wrongly matched? (a) Uniflagellate gametes – Polysiphonia (b) Biflagellate zoospores – Brown algae (c) Gemma cups – Marchantia (d) Unicellular organism – Chlorella
Last Answer : (a) Uniflagellate gametes – Polysiphonia
Description : Zygotic meiosis is characteristic of; (1) Fucus (2) Funaria (3) Chlamydomonas (4) Marchantia
Last Answer : (3) Chlamydomonas
Description : Which one is wrongly matched ? (1) Uniflagellate gametes - Polysiphonia (2) Biflagellate zoospores - Brown algae (3) Gemma cups - Marchantia (4) Unicellular organism - Chlorella
Last Answer : (1) Uniflagellate gametes - Polysiphonia