Description : Offsets are produced by (1) Meiotic divisions (2) Mitotic divisions (3) Parthenocarpy (4) Parthenogenesis
Last Answer : (2) Mitotic divisions
Description : In grasses what happens in microspore mother cell for the formation of mature pollen grains? (a) One meiotic and two mitotic divisions (b) One meiotic and one mitotic divisions (c) One meiotic division (d) One mitotic division
Last Answer : (b) One meiotic and one mitotic divisions
Description : Megaspores are produced from the megaspore mother cells after (a) mitotic division (b) formation of thick wall (c) differentiation (d) meiotic division.
Last Answer : d) meiotic division.
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 : Production of seeds without fertilization is termed as: a. Parthenocarpy b. Parthenogenesis c. Gametogenesis d. All of above
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 : 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 : what is difference between mitotic and meiotic interphase ? -Biology
Last Answer : answer:
Description : Cleavage divisions differ from normal mitotic divisions in that: (a) There is no nuclear division during cleavage (b) There is no division of cytoplasm during cleavage (c) The division of cytoplasm follows nuclear division (d) There is no period of growth in between divisions
Last Answer : Ans:(d)
Description : Which is the most common type of embryo sac in angiosperms ? (a) Tetrasporic with one mitotic stage of divisions (b) Monosporic with three sequential mitotic divisions (c) Monosporic with two sequential mitotic divisions (d) Bisporic with two sequential mitotic divisions
Last Answer : (b) Monosporic with three sequential mitotic divisions
Description : How many mitotic divisions are needed for a single cell to make 128 cells? (a) 28 (b) 32 (c) 7 (d) 14
Last Answer : (c) 7
Description : How many meiotic divisions are required during the formation of 500 zzygotes, if in males one meiotic division result in formation of four male gamete
Last Answer : How many meiotic divisions are required during the formation of 500 zzygotes, if in males one meiotic division ... A. 625 B. 500 C. 1000 D. 2500
Description : Total number of meiotic divisions required for forming 100 zygotes/100 grains of wheat is (a) 100 (b) 75 (c) 125 (d) 50
Last Answer : (c) 125
Description : Number of meiotic divisions required to produce 200/400 seeds of pea would be (a) 200/400 (b) 400/800 (c) 300/600 (d) 250/500
Last Answer : (d) 250/500.
Description : 1. How many meiotic divisions are required to produce 200 microspores from functional microspore mother cell ? a) 400 b) 50 c) 200 d) 100
Last Answer : b) 50
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.
Description : Which plant will lose its economic value, if its fruits are produced by induced parthenocarpy? (a) Orange (b) Banana (c) Grape (d) Pomegranate
Last Answer : (d) Pomegranate
Description : For setting out a simple curve, using two theodolites. (A) Offsets from tangents are required (B) Offsets from chord produced are required (C) Offsets from long chord are required (D) None of these
Last Answer : (D) None of these
Last Answer : (C) R/20
Description : If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed. (A) R/10 (B) R/15 (C) R/20 (D) R/25
Last Answer : Fertilizer Without Occasionally Any Any Plants Game cells Special By Eggs The fetus Structure By New Of plants Born Gives. Of plants The gamete Or Ovary Fertilizer Without New Of plants Born To give Apunjani Or Parthenogenesis Says. Such as : mucor , spirogyra , banana Etc.
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 : 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 : 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 : Which one of the following generates new genetic combinations leading to variation? (a) Vegetative reproduction (b) Parthenogenesis (c) Sexual reproduction (d) Nucellar polyembryony
Last Answer : (c) Sexual reproduction
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 : Development of an egg without fertilization is called (1) Gametogenesis (2) Parthenogenesis (3) Oogenesis (4) Metamorphosis
Description : What is the difference between apomixis and parthenocarpy? -Biology
Description : What is parthenocarpy? -Biology
Description : Which hormone is used in parthenocarpy? -Biology
Description : What induces parthenocarpy in grapes? -Biology
Description : Difference between parthenocarpy and apomixis. -Biology
Description : Advantages and disadvantages of parthenocarpy? -Biology
Description : Parthenocarpy fruit is obtained by which sprying phytohormone? -Do You Know?
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 : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy
Last Answer : Parthenocarpy
Description : Parthenocarpy occurs in– a) Peach b) Mango c) Jackfruit d) Banana
Last Answer : c) Jackfruit
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 : Edible Banana fruit is seedless because of — a. Embryo abortion b. Vegetative parthenocarpy c. Lack of pollination d. None of these
Last Answer : b. Vegetative parthenocarpy
Description : What do you mean by parthenocarpy?
Last Answer : Ans: Formation of fruit without fertilization is known as parthenocarpy.
Description : Occurrence of more than one embryo in a seed is known as: a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny
Last Answer : Ans: a) Polyembryony
Description : $ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic tympanic cavity of the ear.
Last Answer : $ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic ... D. If both As and R are wrong.
Description : The mitotic division starts as the zygioge moves through the of the oviduct called cleavage.
Last Answer : The mitotic division starts as the zygioge moves through the of the oviduct called cleavage. A. Ampulla B. Isthmus C. Fimbriae D. Infiundibulum
Description : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :-
Last Answer : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :- A. 23 B. 46 C. 92 D. 69
Description : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-
Last Answer : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome ... 20(Twenty) C. 30(Thirty) D. 40(Forty)
Description : A cell that is entering the mitotic phase (M-phase) of cell cycle is :-
Last Answer : A cell that is entering the mitotic phase (M-phase) of cell cycle is :- A. ... chromosomes D. always diploid and with unduplicated chromosomes
Description : Frame the formula for the area (A) of a quadrilateral given by half the product of its diagonal (d) and sum of offsets drawn to the diagonal from its
Last Answer : Frame the formula for the area (A) of a quadrilateral given by half the product of its diagonal (d) and ... its opposite vertices `(h_(1) and h_(2))`?