An eudicot seed is composed of Seed coat, epicotyl, hypocotyl, scutellum and rad
ID: 96206 • Letter: A
Question
An eudicot seed is composed of Seed coat, epicotyl, hypocotyl, scutellum and radicle. Seed coat, epicotyls, hypocotyl, pericarp and radicle. Seed coat, epicotyl, hypocotyl, coleoptile and radicle. Seed coat, epicotyl, hypocotyl, cotyledons and radicle. Seed coat, epicotyl, hypocotyl, coleorhiza and radicle. Some dioecius have the XY genotype for male and XX for female. After double fertilization, what would be the genotypes of the embryos and endosperm nuclei? Embryo XY/endosperm XXX or embryo XX/endosperm XXY Embryo XX/endosperm XX or embryo XY/endosperm XY Embryo XX/endosperm XXX or embryo XY/endosperm XXY Embryo XX/endosperm XXX or embryo XY/endosperm XYY What term describes the mode of asexual reproduction in which offspring develop from unfertilized eggs? Parthenogenesis Budding Regeneration Fission. How are the human penis and clitoris similar? They develop from the same population of embryonic cells. Both develop during the earliest stages of puberty. Both contain the urethra. Both produce accessory fluids required during sexual intercourse. In hormone production, how do the follicle and corpus luteum compare? Both produce primarily estradiol. Both produce primarily progesterone. The follicle produces more estradiol than progesterone: the corpus luteum produces more progesterone than estradiol. the follicle produces mostly progesterone: the corpus luteum produces estradiol and progesterone. What pituitary hormones are involved in regulating the human menstrual cycle? GnRH and LH Estradiol and Progesterone Oxytocin and LH FSH and LH The corpus luteum is retained upon fertilization due to the presence of which hormone? LH Estradiol Progesterone human chorionic gonadotropin (hCG) Which of the following characterizes parthenogenesis. An individual may change its sex during its lifetime. Zygotes grow into new individuals. An organism is first a male and then a female. An egg develops without fertilization. In male mammals, excretory and reproductive systems share the vas deferens Prostate seminal vesicle urethra bulbourethral gland Peaks of LH and FSH occur during the menstrual flow stage of the uterine cycle. beginning of the follicular phase of the ovarian cycle. period just before ovulation. secretory stage of the menstrual cycle. During human gestation, rudiments of all organs develop during the blastocyst stage. in the first trimester in the second trimester in the third trimester Which of the following is true? Ovulation occurs before the endometrium thickens in estrous cycles. All mammals have menstrual cycles. The endometrial lining is shed in menstrual cycles, but reabsorbed in estrous cycles. Estrous cycles are more frequent than menstrual cycles.Explanation / Answer
Question 14:
Scutellum is a modified/crossed cotyledon of grasses (monocots)
coleoptile is shoot tip protecting sheet in grasses (monocots)
The primary root is called as radicle in mono and dicots.
Coleorhiza is root tip protecting sheet in grasses (monocots)
cotyledon - embryonic leaf in seed plants.
As the seed eudicot seed have Seed coat, Epicotyl, Hypocotyl, Pericarp and Radicle the option B is right answer.
Question 15:
In eudicots, the embryo is formed from the fustion of male and female gametes, where as the PEN or Endosperm is formed due to the fusion of one male and two female cells.
Here, the male plant can produce either X or Y. Where as the female can produce only X.
If the embyro is formed from X and X then the genotype would be XX,
if the PEN is fromed from X and X, X then the genotype would be XXX
or
If the embyro is formed from Y and X then the genotype would be XY,
if the PEN is fromed from Y and X, X then the genotype would be XXY.
Hence the option C is the right answer.
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