Description : Difference between protonema and prothallus? -Biology
Last Answer : answer:
Description : Explain the lifecycle and nature of a fern prothallus. -Biology
Description : $ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes.
Last Answer : $ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes. A. If both As ... wrong D. If both As and R are wrong.
Description : The gametophyte is called prothallus in (1) Pteridophyta (2) Bryophyta (3) Sperrnatophyta (4) Thallophyta
Last Answer : (1) Pteridophyta Explanation: Prothallus is usually the gametophyte stage in the life of a fern or other pteridophyte. The prothallium develops from a germinating spore. It is a short-lived and inconspicuous heart-shaped structure.
Description : What is Prothallus?
Last Answer : Prothallus is an independent structure developed in pteridophytes which produces male and female gametes,
Description : .Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilization. It is (a) apospory (b) apogamy (c) parthenocarpy (d) parthenogenesis.
Last Answer : (b) apogamy
Description : .Which one of the following pairs is wrongly matched? (a) Ginkgo – Archegonia (b) Salvinia – Prothallus (c) Viroids – RNA (d) Mustard – Synergids
Last Answer : (b) Salvinia – Prothallus
Description : In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result (a) there is high degree of sterility (b) one can conclude that the plant is apomictic (c) self fertilization is prevented (d) there is no change in success rate of fertilization.
Last Answer : (c) self fertilization is prevented
Description : The gametophyte is called prothallus in (1) Pteridophyta (2) Bryophyta (3) Spermatophyta (4) Thallophyta
Last Answer : Pteridophyta
Description : What is the function of protonema? -Biology
Description : Is a protonema haploid or diploid? -Biology
Description : Protonema stage of Funaria -Biology
Description : Is protonema photosynthetic? -Biology
Description : Is protonema gametophyte or sporophyte? -Biology
Description : What is protonema? -Biology
Description : Is protonema haploid or diploid? -Biology
Description : What does protonema produce? -Biology
Description : $ Protonema is found in the life cycle of Liverworts. ! Liverworts have multicellular rhizoids.
Last Answer : $ Protonema is found in the life cycle of Liverworts. ! Liverworts have multicellular rhizoids. A. If both ... wrong D. If both As and R are wrong.
Description : In moss, the middle sterile part of capsule is called: (a) Foot (b) Protonema (c) Columella (d) Spore sac
Last Answer : Ans. ((c))
Description : Where does protonema stage occur?
Last Answer : Mosses
Description : Protonema occurs in the life cycle of (a) Riccia (b) Funaria (c) Anthoceros (d) Spirogya
Last Answer : (b) Funaria
Description : Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses? (a) Diplontic life cycle (b) Members of Kingdom Plantae (c) Mode of nutrition (d) Multiplication by fragmentation
Last Answer : (d) Multiplication by fragmentation
Description : 79. Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses ? (1) Multiplication by fragmentation (2) Diplontic life cycle (3) Members of kingdom Plantae (4) Mode of Nutrition
Last Answer : Multiplication by fragmentation