Description : Which one is the most advanced from evolutionary view point? (a) Selaginella (b) Funaria (c) Chlamydomonas (d) Pinus
Last Answer : (d) Pinus
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 : 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 : Which one of the following is categorised under living fossils? (a) Pinus (b) Cycas (c) Selaginella (d) Metasequoia
Last Answer : (b) Cycas
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 : Which one of the following pairs of plants are not seed producers? (a) Fern and Funaria (b) Funaria and Ficus (c) Ficus and Chlamydomonas (d) Funaria and Pinus
Last Answer : (a) Fern and Funaria
Description : What is the sporophytic generation of the Marchantia? -Biology
Last Answer : answer:
Description : .Match items in column I with those in columnII. Column I Column II (A) Peritrichous flagellation (J) Ginkgo (B) Living fossil (K) Macrocystis (C) Rhizophore (L) Escherichia coli (D) Smallest flowering plant (M) Selaginella (E) Largest perennial ... - M; E - J (d) A - J; B - K; C - N; D - L; E - M
Last Answer : (a) A - L; B - J; C - M; D - N; E - K
Description : Resurrection plant is a. Spirogyra b. Selaginella c. Lichen d. Rhynia
Last Answer : b. Selaginella
Description : dryopteris and pteris -Biology
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
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 : 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 : Heterospory in Selaginella -Biology
Description : $ Rhizoids of female gametophyte of selaginella are multicellular. ! Selaginella is homosporous.
Last Answer : $ Rhizoids of female gametophyte of selaginella are multicellular. ! Selaginella is homosporous. A. If both As ... D. If both As and R are wrong.
Description : Which one has the largest gametophyte? (a) Cycas (b) Angiosperm (c) Selaginella (d) Moss
Last Answer : (d) Moss
Description : Which of the following statements is correct? (a) Ovules are not enclosed by ovary wall in gymnosperms. (b) Selaginella is heterosporous, while Salvinia is homosporous. (c) Horsetails are gymnosperms. (d) Stems are usually unbranched in both Cycas and Cedrus.
Last Answer : (a) Ovules are not enclosed by ovary wall in gymnosperms.
Description : Evolutionary important character of Selaginella is (a) heterosporous nature (b) rhizophore (c) strobili (d) ligule.
Last Answer : (a) heterosporous nature
Description : Which one of the following is not common between Funaria and Selaginella? (a) Archegonium (b) Embryo (c) Flagellate sperms (d) Roots
Last Answer : (d) Roots
Description : Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte ... by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.
Last Answer : (b) female gametophyte lacks archegonia
Description : Which of the following statement is correct ? (1) Ovules are not enclosed by ovary wall in gymnosperms (2) Selaginella is heterosporous, while Salvinia is homosporous (3) Horsetails are gymnosperms (4) Stems are usually unbranched in both Cycas and Cedrus
Last Answer : (1) Ovules are not enclosed by ovary wall in gymnosperms
Description : Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................----- ... - PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera
Last Answer : Ans. ((a))
Description : The seeds of Pinus plant show a. Polyembryony b. One embryo c. No embryo d. Redundant embryo
Last Answer : a. Polyembryony
Description : The seeds of Pinus plant are a. Unitegmic b. Bitegmic c. Ategmic d. Abortive
Last Answer : a. Unitegmic
Description : In Pinus plant, stomata are a. Sunken b. Bulged out c. Absent d. Rarely present
Last Answer : a. Sunken
Description : In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology
Last Answer : The number of chromosome in the female gamete would be same as that in the male gamete, i.e., it will have 24 chromosomes. The number of chromosome in the zygote would be double the number present in the gamete and hence, it would be 48.
Description : What are the difference between Chlamydomonas and Euglena? -Biology
Description : Red eyespot in chlamydomonas -Biology
Description : Chlamydomonas reproduction -Biology
Description : What is chlamydomonas reinhardtii -Biology
Description : What do chlamydomonas eat? -Biology
Description : Zoospores of chlamydomonas. -Biology
Description : Where do chlamydomonas live? -Biology
Description : How do chlamydomonas obtain nutrients? -Biology
Description : Why is chlamydomonas considered a photoautotroph? -Biology
Description : $ Chlamydomonas has many pyrenoids. ! Pyrenoids help in the storage of oil droplets.
Last Answer : $ Chlamydomonas has many pyrenoids. ! Pyrenoids help in the storage of oil droplets. A. If both As and R ... is wrong D. If both As and R are wrong.
Description : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.
Last Answer : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.
Description : Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix
Last Answer : Ans. ((c))
Description : Write a detailed note on Chlamydomonas? (Draw Figure)
Last Answer : i) It is single celled fresh water alga. ii) It is commonly found in ponds and drains. iii) It can be clearly seen under microscope. iv) It is spherical oval or pear shaped. ... vacuole expel excess water and wastes out from the cell. xi) It reproduces both sexually and asexually.
Description : Which one of the following does not follow the central dogma of molecular biology? (a) Pea (b) Mucor (c) Chlamydomonas (d) HIV
Last Answer : ) HIV
Description : Which one of the following is correctly matched? (a) Onion–Bulb (b) Ginger–Sucker (c) Chlamydomonas–Conidia (d) Yeast–Zoospores
Last Answer : (a) Onion–Bulb
Description : Anoxygenic photosynthesis is characteristic of (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva.
Last Answer : (a) Rhodospirillum
Description : Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane
Last Answer : (d) Cell membrane