Description : Artificial methods of reproduction do not include a) Rhizome b) cutting c) layering d) budding
Last Answer : a) Rhizome
Description : Artificial methods of vegetative propagation includes a) Cloning b) grafting c) cuttings d) both b and cn
Last Answer : d) both b and cnswe
Description : Write short notes on leaves that help in vegetative reproduction
Last Answer : Ans: Leaves which have epiphyllous buds help in vegetative reproduction. Such leaves are called as reproductive leaves. In Bryophyllum, notches of leaf margins have epiphyllous buds which upon shedding strike ... buds arise at the leaf tip and in Begonia from the wounded regions of leaf.
Description : External agencies are not required in a) natural vegetative propagation b) sexual reproduction c) bisexual reproduction d) trisexual reproduction
Last Answer : a) natural vegetative propagation
Description : Example of natural vegetative propagation does not include a) Corals b) bulbs c) corms d) rhizomes
Last Answer : a) Corals
Description : What is common between vegetative reproduction and apomixis? (a) Both are applicable to only dicot plants. (b) Both bypass the flowering phase. (c) Both occur round the year. (d) Both produce progeny identical to the parent.
Last Answer : (d) Both produce progeny identical to the parent
Description : Tissue culture is a good technique to a) Cross two varieties b) Rapidly increase the size of a trees by strengthening the stem c) Eliminate virus d) Improve yield of crops
Last Answer : c) Eliminate virus
Description : What are artificial methods of vegetative propagation in flowering plants?
Last Answer : Some plants can be artificially propagated by using their vegetative parts and this is called artificial vegetative propagation. Following are the types of artificial vegetative propagation: - 1) CUTTING: - ... vegetative propagation. ii) For example onion bulb, Canna or lily and potato tuber.
Description : Name the sub-aerial stem modification seen in free floating aquatic plants. How does it help in vegetative propagation?
Last Answer : Ans: Off-set is the sub-aerial modified stem seen in free floating hydrophytes. It is brittle and has leaves and roots at its only node. When broken accidentally, it is separated from parent plant and can lead independent life.
Description : Disadvantages of natural vegetative propagation includes a) lack of dispersal mechanisms b) no fertilization is involved c) area is quickly colonized d) daughter plants can grow quickly
Last Answer : a) lack of dispersal mechanisms
Description : In cold places frost damage can be reduced in horticultural crops using these methods except a) Overhead sprinklers at night b) Green houses and shade nets c) Wind breaks placement d) Appropriate fungicide application
Last Answer : b) Green houses and shade nets
Description : What are the artificial methods of vegetative propagation? -Biology
Last Answer : answer:
Description : Who recognized the importance of floral characters in Taxonomy? Why are floral characters more useful than vegetative characters in classification?
Last Answer : Ans: Linnaeus. Floral characters show more variations and more stable than vegetative characters.
Description : Sugarcane plants are usually propagated by vegetative means because - (1) they do not produce seeds (2) it is possible to maintain genetic quality (3) the incidence of disease may be reduced
Last Answer : (1) they do not produce seeds Explanation: Vegetative reproduction is a form of asexual reproduction in plants. It is a process by which new individuals arise without production ... propagation include cutting, vegetative apomixis, layering, division, budding, grafting and tissue culture.
Description : Sugarcane plants are usually propagated by vegetative means because (1) they do not produce seeds (2) it is possible to maintain genetic quality (3) the incidence of disease may be reduced
Last Answer : they do not produce seeds
Description : Hormogonia are vegetative reproductive structure of: (a) Spirogyra (b) Ulothrix (c) Oscillatoria (d) Yeast
Last Answer : Ans. ((c))
Description : Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix
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 : Vegetative propagation in mint occurs by:a) Rhizomeb) Suckerc) Runnerd) Offset
Last Answer : b) Sucker
Description : Vegetative propagation is an example of
Last Answer : Vegetative propagation is an example of – Recurrent apomixis
Description : Which aerial stem modification is concerned with vegetative propagation? Give two examples.
Last Answer : Ans: Bulbils. Ex: Agave americana, Dioscoria bulbifera
Description : Considering corms of natural vegetative propagation, buds are present at a) Front side of corm b) Backside of corm c) Top of corm d) End of corm
Last Answer : c) Top of corm
Description : Example of plant in which vegetative propagation is occurred by leaves is called a) Cannabisn b) Chrysanthemum c) Cryophyllum d) Brassica
Last Answer : c) Cryophyllum
Description : In cutting method of vegetative propagation, cuttings are mainly taken from a) Leaves of parent plant b) Roots or stems of parent plant c) Shoots of parent plant d) Buds of parent plant
Last Answer : b) Roots or stems of parent plant
Description : Grafting is employed for better and quicker yield of varieties of: (1) Apple (2) Mango (3) Citrus (4) Tea
Description : Explain vegetative reproduction in higher plants. -Biology
Description : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation is a type of Asexual reproduction
Last Answer : $ Those parts of the plants which help in vegetative reproduction are called propagules. ! Vegetative propagation ... D. If both As and R are wrong.
Description : The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to - (1) hibernation (2) seed coat impermeability (3) infertility (4) vegetative reproduction
Last Answer : (2) seed coat impermeability Explanation: A dormant seed is one that is unable to germinate in a specified period of time under a combination of environmental factors that are ... to prevent germination during unsuitable ecological conditions, but the probability of seedling survival is low.
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 : The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to (1) hibernation (2) seed coat impermeability (3) infertility (4) vegetative reproduction
Last Answer : seed coat impermeability
Description : Why Artificial Organisms Are Reproduced in Non-Flowering Plants ?
Last Answer : As the sexual reproduction of non-flowering plants is not complete, artificial reproduction is done.
Description : What is organ reproduction ?
Last Answer : Reproduction that takes place when a part of the body is broken or an organ is transformed without producing any kind of asexual molecule or germ cell is called organ reproduction.
Description : What is asexual reproduction ?
Last Answer : Asexual reproduction is the process of making gametes or gametes in the process of miosis and the formation of separate offspring from a single organism without the attachment of gametes of two different sexes.
Description : What are the main types of reproduction ?
Last Answer : There are mainly two types of reproduction. Namely: asexual and sexual.
Description : Sexual reproduction in Rhizopus occurs through: (a) Gametangial contact (b) Gametangial copulation (c) Planogametic copulation (d) Spermatogamy
Last Answer : Ans. ((b))
Description : Mary’s biological concept of species is mainly based on: (a) Morphological traits (b) Reproductive isolation (c) Modes of reproduction (d) Morphology and reproduction
Description : Describe some asexual processes occurring in animal reproduction. What is the chief disadvantage of this form of reproduction?
Last Answer : Parthenogenetic development of unfertilized eggs as a regular procedure in the production of male ants and bees and Artificial stimulation of sea urchin eggs induces cleavage. Although the egg is ... In almost all animal organisms, asexual reproduction is only a supplement to sexual reproduction.
Description : To check the expansion of Thar desert which one of the following methods is expected to yield the best results? (a) Artificial rain (b) Construction of canals (c) Afforestation (d) Construction of Dams
Last Answer : Ans: (c)
Description : Crop rotation helps to – (1) lessen use of pesticides (2) eliminate parasites which have selective hosts (3) yield more crops (4) produce a greater choice of plant products
Last Answer : (2) eliminate parasites which have selective hosts Explanation: The growing of different kinds of crops on a piece of land in a preplanned succession is known as crop rotation. In the rotation of ... This is because weeds and pests are very choosy about the host crop plant, which they attack.
Description : Crop rotation helps to a) lessen use of pesticides b) yield more crops c) produce a greater choice of plant products d) eliminate parasites which have selective hosts
Last Answer : d) eliminate parasites which have selective hosts
Description : What are natural methods of vegetative propagation in flowering plants?
Last Answer : 1) BY STEM: - The methods of vegetative propagation by stem are runners and suckers. Runners: i) A runner is long and thin stem, which creep along the surface of soil. ii) It gives ... ground, the adventitious buds appear in the notches with adventitious roots. iv) These grow into new plants.
Description : Which is not applicable to vegetatively propagated plants a) To get true to type plants b) To protect an elite quality c) To conserve a plant d) To get a new type of plant
Last Answer : d) To get a new type of plant
Description : What does Asexual reproduction methods include?
Last Answer : Feel Free to Answer
Description : Generally it has been witnessed that the compulsion of writing a research paper has generated anomaly because Options: A) Every teacher does not possess the proper aptitude for writing a research ... possess the scientific attitude to carry out the research D) All the above statements are correct
Last Answer : D) All the above statements are correct
Description : The desired varieties of economically useful crops are raised bya) Vernalization b) Mutation c) Natural selection d) hybridisation
Last Answer : d) hybridisation
Description : Horticulture is the study that includes a) Fruits, vegetables and flowers b) All food crops c)Vegetable gardens and lawns near hotels only d)Some bush crops and apples
Last Answer : a) Fruits, vegetables and flowers
Description : unlike sexual reproduction, vegetative reproduction -General Knowledge
Last Answer : Unlike sexual reproduction, vegetative reproduction: produces offspring by mitosis.
Description : Why is vegetative reproduction also considered as a type of asexual reproduction? -Biology
Description : Vegetative reproduction in algae. -Biology
Description : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called vegetative reproduction.
Last Answer : $ Flower is a modified shoot which helps in sexual reproduction. ! Monoparental reproduction is also called ... D. If both As and R are wrong.