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 : Development of an egg without fertilization is called (1) Gametogenesis (2) Parthenogenesis (3) Oogenesis (4) Metamorphosis
Last Answer : Parthenogenesis
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 an organism from female gamete/ egg without involving fertilization is (a) adventitive embryony (b) polyembryony (c) parthenocarpy (d) parthenogenesis.
Last Answer : (d) parthenogenesis.
Description : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy
Last Answer : Parthenocarpy
Description : Parthenocarpy refers to : a. Seedless fruits b. Fruit without pollination c. Seeds without pollination d. None of above
Last Answer : Fruit without pollination
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 : Completion of pollination and fertilization in unopened flower bud is termed as a. Chasmogamy b. Apogamy c. Cleistogamy d. Dichogamy
Last Answer : Cleistogamy
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 : 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
Description : Imbibed or germinated seeds subjected to cold temperature is termed as: a. Scarification b. Startification c. Vernalization d. Sterilization
Last Answer : Vernalization
Description : A major problem in standard carnation production resulting in asymmetrical flowers is: a. Improper fertilization b. High-density spacing c. Calyx splitting d. Lack of pinching
Last Answer : Calyx splitting
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 : Which of the following refers to the development of viable individuals from unfertilized eggs? a) self-fertilization b) hermaphroditic reproduction (pronounced her - MAF - ro - dit - ik) c) parthenogenesis
Last Answer : ANSWER: C -- PARTHENOGENESIS
Description : involves incorporating water soluble fertilizer into the irrigation systems of greenhouse and nursery crops. a. Broadcasting b. Fertilization c. Fertigation d. Perforation
Last Answer : Fertigation
Description : Causes of misshapen and angularity in cucumber fruit under tunnel is due to a. Poor pollination b. Poor fertilization c. Proper pollination d. None
Last Answer : Poor pollination
Description : First and the heaviest flower drop in fruit plants occurs due to : a. Structural defects in the flowers b. Lack of pollination c. Non fertilization d. All of the abov
Last Answer : All of the abov
Description : Conifers differ from grasses in the (a) formation of endosperm before fertilization (b) production of seeds from ovules (c) lack of xylem tracheids (d) absence of pollen tubes.
Last Answer : (a) formation of endosperm before fertilization
Description : Hard, thorny structures which protect the buds of woody plants during winter, are termed as: a. Nodes b. Scales c. Bracts d. None of all
Last Answer : Scales
Description : Small, hair like outgrowth at the base of leaf stalk is termed as: a. Bud b. Bract c. Stipule d. Ligule
Last Answer : Stipule
Description : Removal of young flower buds to allow maximum development of the remainder is termed as: a. Die back b. Disbudding c. Dead heading d. None of these
Last Answer : Disbudding
Description : Compounds possessing hormone like properties which have small molecular weight, are termed as : a. Auxins b. Gibberellins c. Kinins d. None of these
Last Answer : Kinins
Description : Exposure of seed to low temperature before germination is termed as : a. Scarification b. Stratification c. Vernalization d. All of above
Last Answer : Stratification
Description : Removal of off type plants from a seed field is termed as: a. Weeding b. Rouging c. Hoeing d. All of abov
Last Answer : Rouging
Description : Controlled inhibition of seed is termed as: a. Priming b. Soaking c. Chilling d. None of above
Last Answer : None of above
Description : During seed formation, a sear left by the funiculus is termed as a. Hilum b. Funiculus c. Operculum d. Raph
Last Answer : Operculum
Description : The main commercial method for propagating African violets is by: a. Seeds b. Crowns c. Tubers d. Leaf petioles
Last Answer : Leaf petioles
Description : To preserve the germination ability of most seeds, store them in a: a. Warm, dry environment b. Cool, dry environment c. Cool environment after scarification d. Warm, moist environment after stratificatio
Last Answer : Cool, dry environment
Description : Pinching out is the removal of a. Growing point of root b. Opening flower buds c. Growing point of buds d. Removal of seeds
Last Answer : Growing point of bud
Description : Onion seeds can germinate at a temperature of : a. 0-1°C b. 1-5°C c. 5-11°C d. 15-20°C
Last Answer : 1-5°C
Description : Self fertility refers to the ability of a variety to produce fruits with viable ___: a. Pollens b. Seeds c. Ovules d. Ovaries
Last Answer : Seeds
Description : Citrus seeds can be stored with Charcoal at following temperature in dry conditions. a. 0-3°C b. 3-10°C c. 10-15°C d. Above 15°C
Last Answer : 3-10°C
Description : Silver Oak produces seeds after age of: a. 1 year b. 5 years c. 10 years d. 15 years
Last Answer : 10 years
Description : Papaya is still being commercially propagated from a. Cutting b. Suckers c. Seeds d. Grafting
Description : Reproduction of plants through seeds are also called: a. Asexual propagation b. Vegetative propagation c. Sexual propagation d. Tissue culture
Last Answer : Sexual propagation
Description : Date palm propagation is by means of: a. Suckers b. Seeds c. Off shoots d. None
Last Answer : Suckers
Description : Dormancy of seeds are broken by a. GA b. Ethylene c. Water d. None of above
Last Answer : GA
Description : Virus free seeds of potato are produced in a. Hilly areas b. Spring crop c. In plains d. Autumn crop
Last Answer : Hilly areas
Description : Melons have seeds in a. Cavity/centre b. Scattered c. Both type may be d. None of these
Last Answer : Cavity/centre
Description : Which type of flowers can not produce seeds and / or fruit? Pistillate Perfect Hermaphrodite Staminat
Last Answer : Staminat
Description : During storage of vegetable seeds, seed moisture should be a. Less than 10% b. Equal to 10% c. Greater than 10% d. None of above
Last Answer : Less than 10%
Description : Germination of undeveloped seeds is favored by: a. Warm temperature (>20°C) b. Gibberallic acid c. Low temperature (
Last Answer : a & b
Description : Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh
Last Answer : Temperature
Description : Orthodox seeds after dissemination may be a. None dormant b. Dormant c. Quiescent g. All of above
Last Answer : All of above
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 : 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 : Formation of gametophyte directly from sporophyte without meiosis is (a) apospory (b) apogamy (c) parthenogenesis (d) amphimixis.
Last Answer : (a) apospory
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 : 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.