Description : What is the function of the integument of an ovule? -Biology
Last Answer : 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 : Difference between integument and testa? -Biology
Description : What is the function of the ovule? -Biology
Description : Haploid cells belong to: (a) Integument, pollen grain, endosperm (b) Embryo, endosperm and pollen grain (c) Megaspore, pollen grain, antipodal (d) Integument, pollen grain and antipodal
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
Description : In seed formation the inner integument remains thin and develops into: a. Testa f. Tegmen b. Aril c. Hilum
Last Answer : Tegmen
Description : Tegmen develops from (a) funiculus (b) chalaza (c) inner integument (d) outer integument.
Last Answer : (c) inner integument
Description : . One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food ... are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.
Last Answer : (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine
Description : Areolar connective tissue joins (a) bones with bones (b) fat body with muscles (c) integument with muscles (d) bones with muscles.
Last Answer : (c) integument with muscles
Description : Which of the following represents the correct combination without any exception ? Characteristics Class (a) Sucking and circular mouth; jaws absent, integument without scales; paired ... Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. Chondrichthyes
Last Answer : (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia
Description : n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.
Last Answer : (b) megaspore, pollen grain and endosperm
Description : .In Pinus, the wings of the seed develops from (a) ovuliferous scale (b) integument (c) nucellus (d) bract.
Last Answer : (a) ovuliferous scale
Description : What is the ovule of a flower? -Biology
Description : When does an ovule become a seed? -Biology
Description : When an ovule is fertilized it turns into? -Biology
Description : Difference between ovule and seed. -Biology
Description : Difference between ovule and embryo sac. -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 : Difference between ovule and embryo sac? -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 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
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 : .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