Description : Difference between ovule and seed. -Biology
Last Answer : answer:
Description : When does an ovule become a seed? -Biology
Description : The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) ..................... ... formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization
Last Answer : Ans. ((c))
Description : A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate
Last Answer : Ans. Seed
Description : Maize grain is (a) A seed (b) An embryo (c) An ovule (d) A fruit
Last Answer : Ans:(d)
Description : Metaxenia is the impact of a. Pollen on seed b. Pollen on fruit c. Pollen on ovule d. Pollen on ovary
Last Answer : Pollen on ovule
Description : The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)
Last Answer : (d) (1) and (4).
Description : Difference between ovule and embryo sac. -Biology
Description : Difference between ovule and embryo sac? -Biology
Description : What is the function of the integument of an ovule? -Biology
Description : What is the ovule of a flower? -Biology
Description : When an ovule is fertilized it turns into? -Biology
Description : What is the function of the ovule? -Biology
Description : How many polar nuclei are in the ovule of the angiosperm? -Biology
Description : Pollen tube attraction near ovule is facilitated by -Biology
Description : Which flower part develops from the ovule and is surrounded by the fruit?
Last Answer : C. seed
Description : $ Orthotropous ovule has micropyle at the upper end. ! Ovule is also called megasporangium.
Last Answer : $ Orthotropous ovule has micropyle at the upper end. ! Ovule is also called megasporangium. A. If both As ... is wrong D. If both As and R are wrong.
Description : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule through integuments is called Mesogamy.
Last Answer : $ Fertilization with the help of a pollen tube is called Siphonogamy. ! Entry of pollen tube into the ovule ... wrong D. If both As and R are wrong.
Description : When pollen connects with an ovule in the ovary?
Last Answer : What is the answer ?
Description : The ovule in which embryo sac become horse shoe shaped in: (a) Amphitropous (b) Camphylotropous (c) Orthotropous (d) Anatropous Ans. (a) .................................. ... TEST SAMPLE QUESTIONS 1. Caruncle develops-from: (a) Outer integument (b) Ctyledon (c) Funiculus (d) Inner integuments
Last Answer : Ans. ((a))
Description : .In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule
Last Answer : (a) nucellus or integuments
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 : Embryo sac occurs in (a) embryo (b) axis part of embryo (c) ovule (d) endosperm.
Last Answer : (c) ovule
Description : Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.
Last Answer : (c) embryo sac
Description : Ovule is straight with funiculus, embryo sac, chalaza and micropyle lying on one straight line. It is (a) orthotropous (b) anatropous (c) campylotropous (d) amphitropous.
Last Answer : a) orthotropous
Description : What is the direction of micropyle in anatropous ovule? (a) Upward (b) Downward (c) Right (d) Left
Last Answer : b) Downward
Description : An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is (a) hemitropous (b) campylotropous (c) anatropous (d) orthotropous.
Last Answer : (a) hemitropous
Description : Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other? (a) Amphitropous (b) Circinotropous (c) Atropous (d) Anatropous
Last Answer : (a) Amphitropous
Description : What does the filiform apparatus do at the entrance into ovule? (a) It brings about opening of the pollen tube. (b) It guides pollen tube from a synergid to egg. (c) It helps in the entry of pollen tube into a synergid. (d) It prevents entry of more than one pollen tube into the embryo sac
Last Answer : (b) It guides pollen tube from a synergid to egg.
Description : In angiosperms, functional megaspore develops into (a) embryo sac (b) ovule (c) endosperm (d) pollen sac.
Last Answer : a) embryo sac
Description : Megasporangium is equivalent to (a) nucellus (b) ovule (c) embryo sac (d) fruit
Last Answer : (b) ovule
Description : n angiosperms, microsporogenesis and megasporo -genesis (a) involve meiosis (b) occur in ovule (c) occur in anther (d) form gametes without further divisions.
Last Answer : (a) involve meiosis
Description : The ovule of an angiosperm is technically equivalent to (a) megasporangium (b) megasporophyll (c) megaspore mother cell (d) megaspore.
Last Answer : (a) megasporangium
Description : Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by (a) bee (b) wind (c) bat (d) water.
Last Answer : (b) wind
Description : The body of the ovule is fused within the funicle at (a) hilum (b) micropyle (c) nucellus (d) chalaza.
Last Answer : (a) hilum
Description : In unilocular ovary with a single ovule, the placentation is (a) marginal (b) basal (c) free central (d) axile.
Last Answer : (d) axile.
Description : 126.Plant group with largest ovule, largest tree and largest gametes is (a) gymnosperm (b) angiosperm (c) bryophyta (d) pteridophyta.
Last Answer : a) gymnosperm
Description : In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the ... pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.
Last Answer : (c) the microsporangium in which pollen grains develop
Description : 8. Embryo sac is located inside the 1. Stigma 2. Ovule 3. Micropyle 4. Style
Last Answer : Ans: Ovule
Description : Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by: (1) Bee (2) Wind (3) Bat (4) Water
Last Answer : (2) Wind