Description : dryopteris and pteris -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 : Transfusion tissue is present in the leaves of (a) Pinus (b) Dryopteris (c) Cycas (d) both (a) and (c).
Last Answer : (d) both (a) and (c).
Description : Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra
Last Answer : (c) Riccia, Dryopteris and Cycas
Description : What is common in all the three, Funaria, Dryopteris and Ginkgo? (a) Presence of archegonia (b) Well developed vascular tissues (c) Independent gametophyte (d) Independent sporophyte
Last Answer : (a) Presence of archegonia
Description : Which one of the following is heterosporous? (a) Adiantum (b) Equisetum (c) Dryopteris (d) Salvinia
Last Answer : (d) Salvinia
Last Answer : of Pteris Each To the letter Says Pina.
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 : . In which one of the following male and female gametophytes do not have free living independent existence? (a) Polytrichum (b) Cedrus (c) Pteris (d) Funaria
Last Answer : (b) Cedrus
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 : Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as (a) Pteris archegonia repel Funaria sperms (b) Funaria sperms get ... (c) Funaria sperms are less mobile (d) Pteris archegonia release chemical to attract its sperms.
Last Answer : (d) Pteris archegonia release chemical to attract its sperms.
Description : Strobili cones are found in (a) Salvinia (b) Pteris (c) Marchantia (d) Equisetum.
Last Answer : (d) Equisetum.