Description : Development of Sporophyte from gametophyte tissue without fusion of gametes is: (a) Apospory (b) Apogamy (c) Apomixis (d) Parthenogenesis
Last Answer : Ans. ((b))
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 : Development of saprophyte from gametophyte, is called (a) Apomixis (b) Apospory (c) Apogamy (d) Dip1ospory
Last Answer : Ans. ((c))
Description : Formation of diploid embryosac from diploid vegetative structure, e.g., nucellus or integument etc., without meiosis is called: (a) Apospory (b) Apomixis (c) Diplospory (d) Adventives polyembryony
Last Answer : Ans. ((a))
Description : Difference between sporophyte and gametophyte -Biology
Last Answer : answer:
Description : Why is the sporophyte dependent on the gametophyte? -Biology
Description : When is gametophyte dependent on sporophyte? -Biology
Description : When does the sporophyte and gametophyte generation begin? -Biology
Description : Strobilus gametophyte or sporophyte -Biology
Description : Is protonema gametophyte or sporophyte? -Biology
Description : are bryophyte spores part of the sporophyte or gametophyte generation? how about fern spores? -Biology
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 : Are the leafy plants part of the sporophyte or the gametophyte generation?
Last Answer : Feel Free to Answer
Description : Why sexual and asexual ulva plant are called as sporophyte gametophyte?
Last Answer : What is the answer ?
Description : In a moss the gametophyte stage depends on the sporophyte stage for nutrients.?
Description : A fern differ from a moss in prossessing: (a) Swimming/flagellated anitherozoids (b) Flask-shaped archegonia (c) Independent Sporophyte (d) Independent gametophyte
Description : Mention the differences between gametophyte and sporophyte.
Last Answer : Gametophyte 1. It is gamete producing structure 2. It is haploid 3. It is capable of photosynthesis & can lead independent life Sporophyte 1. It is spore producing structure 2. It is diploid 3. It depends on gametophyte
Description : Read the following five statements (A - E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, male gametophyte is not independent. (C ... . How many of the above statements are correct? (a) Two (b) Three (c) Four (d) One
Last Answer : (d) One
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 considered important in the development of seed habit? (a) Heterospory (b) Haplontic life cycle (c) Free-living gametophyte (d) Dependent sporophyte
Last Answer : (a) Heterospory
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 : The plant body of moss (Funaria) is (a) completely sporophyte (b) predominantly gametophyte with sporophyte (c) completely gametophyte (d) predominantly sporophyte with gametophyte.
Last Answer : (b) predominantly gametophyte with sporophyte
Description : Bryophytes comprise (a) dominant phase of gametophyte which produces spores (b) small sporophyte phase and generally parasitic on gametophyte (c) sporophyte is of longer duration (d) dominant phase of sporophyte which is parasitic.
Last Answer : b) small sporophyte phase and generally parasitic on gametophyte
Description : In a moss, the sporophyte (a) manufactures food for itself, as well as for the gametophyte (b) is partially parasitic on the gametophyte (c) produces gametes that give rise to the gametophyte (d) arises from a spore produced from the gametophyte.
Last Answer : (b) is partially parasitic on the gametophyte
Description : What is incorrect during amphimixis
Last Answer : What is incorrect during amphimixis A. Swelling of sperm nucleus B. Initial movement of male ... centriole D. Completion of second meiotic division
Description : Some plants develop fruit s without fertilization. This phenomenon is called (a) apocarpy (b) apogamy (c) parthenocarpy (d) syncarpy
Last Answer : Ans:(c)
Description : Development of an egg without - fertilization is called (1) Gametogenesis (2) Parthenogenesis (3) Oogenesis (4) Metamorphosis
Last Answer : (2) Parthenogenesis Explanation: Parthenogenesis is a form of asexual reproduction in which growth and development of embryos occur without fertilization. In plants, parthenogenesis means development of an embryo from an unfertilized edd call.
Description : The fruits without seed, like banana, are called-------? A. Seedless fruits B. Parthenogenesis fruits C. Parthenocarpic fruits (Answer) D. placental fruits E. Organic fruits
Last Answer : C. Parthenocarpic fruits (Answer)
Description : Production of seeds without fertilization is termed as: a. Parthenocarpy b. Parthenogenesis c. Gametogenesis d. All of above
Last Answer : Parthenogenesis
Description : Development of an organism from female gamete/ egg without involving fertilization is (a) adventitive embryony (b) polyembryony (c) parthenocarpy (d) parthenogenesis.
Last Answer : (d) parthenogenesis.
Description : Parthenogenesis is (a) development of embryo without fertilisation (b) development of fruit without fertilisation (c) development of fruit without hormones (d) development of embryo from egg without fertilisation.
Last Answer : (d) development of embryo from egg without fertilisation.
Description : In some plants, the female gamete develops into embryo without fertilisation. This phenomenon is known as (a) parthenogenesis (b) autogamy (c) parthenocarpy (d) syngamy.
Last Answer : (a) parthenogenesis
Description : Nothing lives forever, but life continues’. What does it mean? (a) Older die but new are produced due to reproduction. (b) Nothing can produce without death. (c) Death has nothing to do with the continuation of life. (d) Parthenogenesis is must for sexual reproduction.
Last Answer : (a) Older die but new are produced due to reproduction.
Description : Development of an egg without fertilization is called (1) Gametogenesis (2) Parthenogenesis (3) Oogenesis (4) Metamorphosis
Description : $ Asexual reproduction is also called Apomixis. ! Apogamy shortens the life cycle of a plant.
Last Answer : $ Asexual reproduction is also called Apomixis. ! Apogamy shortens the life cycle of a plant. A. If both ... is wrong D. If both As and R are wrong.
Description : Completion of pollination and fertilization in unopened flower bud is termed as a. Chasmogamy b. Apogamy c. Cleistogamy d. Dichogamy
Last Answer : Cleistogamy
Description : Cross pollination is associated with: a. Cleistogamy b. Chasmogamy c. Dichogamy d. Apogamy
Last Answer : Chasmogamy
Description : Which one of the following may require pollinators, but is genetically similar to autogamy? (a) Apogamy (b) Cleistogamy (c) Geitonogamy (d) Xenogamy
Last Answer : (c) Geitonogamy
Description : The formation of multivalents at meiosis in diploid organism is due to: (a) Monosomy (b) Delection (c) Inversion (d) Reciprocal translocation
Last Answer : Ans. ((d))
Description : The process of formation of mesozygote is called a. Meromixis b. Exozygote c. Mitosis d. Meiosis
Last Answer : Ans: A
Description : In ferns, meiosis takes place at the time of (a) spore formation (b) spore germination (c) gamete formation (d) antheridia and archegonia formation.
Last Answer : (a) spore formation
Description : In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of (a) gamete formation (b) zoospore formation (c) zygospore germination (d) vegetative reproduction.
Last Answer : (c) zygospore germination
Description : Unlike mitosis, meiosis results in the formation of a. diploid cells. b. haploid cells. c. 2N daughter cells. d. body cells.
Last Answer : b. haploid cells.
Last Answer : Fertilizer Without Occasionally Any Any Plants Game cells Special By Eggs The fetus Structure By New Of plants Born Gives. Of plants The gamete Or Ovary Fertilizer Without New Of plants Born To give Apunjani Or Parthenogenesis Says. Such as : mucor , spirogyra , banana Etc.
Description : Development of embryo from unfertilized egg is known as A) Parthenogenesis B) Parthenocarpy C) Apomixsis D) None of the above
Last Answer : A) Parthenogenesis
Description : Which one of the following generates new genetic combinations leading to variation? (a) Vegetative reproduction (b) Parthenogenesis (c) Sexual reproduction (d) Nucellar polyembryony
Last Answer : (c) Sexual reproduction
Description : Offsets are produced by (a) meiotic divisions (b) mitotic divisions (c) parthenocarpy (d) parthenogenesis
Last Answer : b) mitotic divisions
Description : Offsets are produced by (1) Meiotic divisions (2) Mitotic divisions (3) Parthenocarpy (4) Parthenogenesis
Last Answer : (2) Mitotic divisions