Description : Filiform apparatus is a characteristic feature of:a) Suspensorb) Eggc) Synergidd) Zygote
Last Answer : c) Synergid
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 : Filiform apparatus is characteristic feature of (a) aleurone cell (b) synergids (c) generative cell (d) nucellar embryo.
Last Answer : (b) synergids
Description : In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.
Last Answer : (c) reduction division occurs in the megaspore mother cells
Description : Function of filiform apparatus is to (a) recognise the suitable pollen at stigma (b) stimulate division of generative cell (c) produce nectar (d) guide the entry of pollen tube.
Last Answer : (d) guide the entry of pollen tube.
Description : Function of filiform apparatus is toa)Guide the entry of pollen tubeb)Recognize the suitable pollen at stigmac)Stimulate division of generative celld)Produce nectar
Last Answer : )Guide the entry of pollen tube
Description : Double fertilisation is fusion of (a) two eggs (b) two eggs and polar nuclei with pollen nuclei (c) one male gamete with egg and other with synergid (d) one male gamete with egg and other with secondary nucleus.
Last Answer : (d) one male gamete with egg and other with secondary nucleus.
Description : Through which cell of the embryo sac, does the pollen tube enter the embryo sac? (a) Egg cell (b) Persistant synergid (c) Degenerated synergids (d) Central cell
Last Answer : c) Degenerated synergids
Description : What is the fate of the male gametes discharged in the synergid? (a) One fuses with the egg and other fuses with central cell nuclei. (b) One fuses with the egg, other(s) degenerates in the synergid. (c) All fuse with the egg. (d) One fuses with the egg, other(s) fuse(s) with synergid nucleus.
Last Answer : (a) One fuses with the egg and other fuses with central cell nuclei.
Description : Suspensor formed during emryogeny of sagittaria is
Last Answer : Suspensor formed during emryogeny of sagittaria is A. 6-10 celled B. 4-5 celled C. 1-celled D. 2- 3 celled
Description : What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology
Last Answer : The ratio of chromosome number between egg· and its zygote is 1 : 2. An egg is a female gamete, it has haploid number of chromosomes. ... Sperms and eggs are genetically different in terms ... chromosome. The sperm contain either X or Y-chromosome whereas an egg will always have an X-chromosome.
Description : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.
Last Answer : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk ... D. If both Assertion & Reason are False.
Description : What are the normal chromosome numbers of a sperm egg and zygote respectively?
Last Answer : monoploid, monoploid and diploid
Description : After the union of sperm and egg, the single-celled zygote develops into a multicellular organism with specialized cells by the processes of?
Last Answer : mitosis and diffrentiation
Description : A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.
Last Answer : a) pattern of cleavage
Description : 1.Meiocyte of paddy plant has 24 chromosomes. The number of chromosomes in the endosperm, nucellus and synergid are respectively ----------------- . (a)24,12,36 b) 24, 24,12 c)36, 12, 24 d) 36, 24, 12 )
Last Answer : (a)24,12,36
Description : In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids
Last Answer : Ans: c)Embryo sac
Description : What are the cells found in the egg apparatus of matured embryosac?
Last Answer : Ans: Two synergids and one egg cell
Description : The papillae that are few in numbers, associated with MOST taste buds, associated with Von Ebner’s glands are: a. Fungiform. b. Circumvallate. c. Foliate. d. Filiform.
Last Answer : b. Circumvallate.
Description : On inspection of lateral boarder of the tongue at the base, which structure would you expect to find: a. Filiform papillae. b. Fungiform papillae. c. Taste buds. d. Lymph nodes. e. Circumvallate papillae.
Last Answer : d. Lymph nodes.
Description : A patient complains of finger-like growth on the lateral aspect of the tongue. The lesion is painless and of normal colour. The MOST PROBABLE diagnosis is: A. Folate papillae B. Filiform papillae C. Neurofibroma D. Papilloma
Last Answer : D. Papilloma
Description : The papillae that are few in numbers, associated with MOST taste buds, associated with Von Ebner’s glands are:** A. Fungiform B. Circumvallate C. Foliate D. Filiform
Last Answer : B. Circumvallate
Description : On inspection of lateral boarder of the tongue at the base, which structure would you expect to find: A. Filiform papillae B. Fungiform papillae C. Taste buds D. Lymph nodes E. Circumvallate papillae
Last Answer : D. Lymph nodes
Description : Benign migratory glossitis or Geographic Tongue, manifests itself in the oral cavity as, A. Irregularly outlined areas of hyperkeratosis of the dorsal surface of the tongue B. Furrows outlined the ... (fissures) radiating from a central fissure G. Irregular area in the midline of the tongue
Last Answer : C. Loss (atrophy) of filiform papillae in multiple irregularly outlined areas
Description : (a) Mention the typical characteristic feature of Tropical Deciduous forests. -Geography
Last Answer : (a) Typical characteristic feature of Tropical Deciduous forests are : 1. These forests are found in areas receiving 100 - 200 cm of annual rainfall. 2. These trees shed their leaves in the beginning ... at any time. These forests are quite dense with an undergrowth of creepers. (b) Sal and Teak.
Description : Give one characteristic feature of a sectional interest group. -SST 10th
Last Answer : A sectional interest group functions to promote the interests of a particular section of the society such as workers or employees or industrialists. They work for the betterment of their members and not the society in general.
Description : Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception
Last Answer : Which one of the following groups of animals is correctly matched with its one ... jaw D. Chondrichthyes : Possess cartilaginous endoskeleton
Description : Which one of the following groups of three animals is correctly matched with their one characteristic morphological feature?
Last Answer : Which one of the following groups of three animals is correctly matched with their one characteristic morphological feature?
Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception ?
Last Answer : Which one of the following groups of animals is correctly matched with its characteristic feature without ... . Mammalia : Given birth to young ones.
Description : The presence of tube feet is the characteristic feature of phylum
Last Answer : The presence of tube feet is the characteristic feature of phylum A. Annelida B. Mollusca C. Arthropoda D. Echinodermata
Description : Which of the following is not a characteristic feature of sponges?
Last Answer : Which of the following is not a characteristic feature of sponges? A. Presence of ostia ... Intracellular digestion D. Cellular level of organization
Description : A characteristic feature of a muscle fibre is the presence of large number of parallel arranged filaments in the sarcoplasm called_____
Last Answer : A characteristic feature of a muscle fibre is the presence of large number of parallel arranged filaments in the sarcoplasm called_____
Description : Which of the following is a characteristic feature of cropland ecosystem
Last Answer : Which of the following is a characteristic feature of cropland ecosystem A. Absence of soil ... C. Absence of weeds D. Ecological succession
Description : Which is not a characteristic feature of grassland?
Last Answer : Which is not a characteristic feature of grassland? A. Extensive root system B. High productivity C. Periodic fire D. Developed stratification
Description : Mention the characteristic feature of class Cyclostomata.
Last Answer : Mention the characteristic feature of class Cyclostomata.
Description : Name various groups of vascular plants. Give one characteristic feature of each group.
Last Answer : Name various groups of vascular plants. Give one characteristic feature of each group.
Description : What is the most characteristic feature of clastic sedimentary rocks?
Last Answer : Need answer
Description : What structural feature of their atoms is characteristic of elements in a group of the periodic table?
Last Answer : The Periodic Table also has a special name for its vertical columns. Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.
Description : Xerophytic vegetation is characteristic feature of: [IAS 2004] (a) Chhotanagpur plateau (b) Khasi hills (c) Eastern Ghats (d) Kuchchh
Last Answer : Ans: (d)
Description : A characteristic feature of marasmus is (A) Severe hypoalbuminemia (B) Normal epinephrine level (C) Mild muscle wasting (D) Low insulin and high cortisol level
Last Answer : Answer : D
Description : A characteristic feature of Kwashiorkar is (A) Fatty liver (B) Emaciation (C) Low insulin lever (D) Occurrence in less than 1 year infant
Last Answer : Answer : A
Description : The trees occurring in two stories is the characteristic feature of: (a) Temperate deciduous forest (b) Tropical savannah (c) Grassland (d) Coniferous forest
Last Answer : Ans. ((a))
Description : Ear showing honey dew symptoms is characteristic feature of
Last Answer : Ans. Grain smut of bajra
Description : Which of the following is a characteristic feature of familial hypercholesterolaemia? 1) Autosomal dominant inheritance 2) elevated chylomicrons 3) hypertriglyceridaemia 4) increased expression of LDL receptors 5) Palmar xanthomas
Last Answer : Answers-1 Familial hypercholesterolaemia is an autosomal dominant condition manifest by increased LDL concentrations (not chylomicrons) due to constitutional abnormalities and reduced numbers of ... are characteristic and the condition is associated with a premature cardiovascular mortality.
Description : Which of the following is a characteristic feature of acute intermittent porphyria? 1) autosomal recessive inheritance 2) excessive faecal protoporphyrin excretion 3) excessive urinary porphobilinigoen between acute attacks 4) hypernatraemia during attacks 5) photosensitivity
Last Answer : Answers-3 Features of acute intermittent porphyria include urinary porphobilinogen excretion raised between attacks, hyponatraemia during an acute attack and autosomal dominant inheritance.
Description : What is a characteristic feature of acarrier protein in a plasma membrane ?
Last Answer : Carrier proteins are globular proteins which are specific it their action and thus regulate the entry and exit of particles into the cell. They help in the conduction of ionic substances and polar substances
Description : Which one of the following is not a characteristic feature of alloys? They are – (1) Compounds (2) Mixtures (3) Solutions (4) Homogeneous systems
Last Answer : (4) Homogeneous systems Explanation: An alloy is a mixture or metallic solid solution composed of two or more elements. So they are heterogeneous systems. Complete solid solution alloys give ... (heat treatment) history. Alloys usually have different properties from those of the component elements.
Description : Which one of the following is a characteristic feature of cropland ecosystem? (a) Absence of weeds (b) Ecological succession (c) Absence of soil organisms (d) Least genetic diversity
Last Answer : (d) Least genetic diversity
Description : Transmission tissue is characteristic feature of (a) dry stigma (b) wet stigma (c) hollow style (d) solid style
Last Answer : (d) solid style.