Description : Which one of the following generally acts as an antagonist to gibberellins? (a) Zeatin (b) Ethylene (c) ABA (d) IAA
Last Answer : (c) ABA
Description : For berry elongation in Grape ____ hormone is used a. IAA b. IBA c. GA3 d. ABB
Last Answer : c. GA3
Description : The hormone responsible for apical dominance is (a) IAA (b) GA (c) ABA (d) Florigen.
Last Answer : (a) IAA
Description : Which hormone breaks dormancy of potato tuber? (a) Gibberellin (b) IAA (c) ABA (d) Zeatin
Last Answer : (a) Gibberellin
Description : Plant growth regulator used for sucker control in Tobacco is a. IAA b. ABA c. GA d. MH
Last Answer : d. MH
Description : Which of the following prevents the fall of fruits? (a) GA3 (b) NAA (c) Ethylene (d) Zeatin
Last Answer : (b) NAA
Description : Which one of the following growth regulators is known as ‘stress hormone’? (a) Abscisic acid (b) Ethylene (c) GA3 (d) Indole acetic acid
Last Answer : (a) Abscisic acid
Description : Auxin can be bioassayed by (a) potometer (b) lettuce hypocotyl elongation (c) Avena coleoptile curvature (d) hydroponics.
Last Answer : (c) Avena coleoptile curvature
Description : Artificial ripening of fruits is accomplished by treatment with: (a) Sodium chloride (b) IAA (c) Ethylene gas (d) Kinetin
Last Answer : Ans. ((c))
Description : The major auxin produced in plants is: a. Indole-3-butyric acid (IBA) b. Naphthalene acetic acid (NAA) c. Indole-3-acetic acid (IAA) d. Ethylene
Last Answer : Indole-3-acetic acid (IAA)
Description : Seed dormancy is due to the (a) ethylene (b) abscisic acid (c) IAA (d) starch.
Last Answer : (b) abscisic acid
Description : The hormone responsible for ripening of fruits is (a) Ethylene (b) Cytokinin (c) Auxin (d) ABA
Last Answer : Ans. ((a))
Description : The hormone reducing transpiration rate by inducing stomatal closure is: (a) ABA (b) Ethylene (c) Cytokipin (d) Auxin
Description : Which of the following control the root initiation, cell elongation and apical dominance? (A)Auxins (B) ABA (C) Gibberellins (D) Ethylene
Last Answer : (D) Ethylene
Last Answer : (B) ABA
Description : A plant hormone, which is primary regulator of abscission process is (a) Ethylene (b) Auxin (c) ABA (d) Gibberellins
Description : During seed germination, its stored food is mobilized by (a) ABA (b) gibberellin (c) ethylene (d) cytokinin.
Last Answer : (b) gibberellin
Description : Rootex contains a) Auxins b) ABA c) Kinetin d) Ethylene
Last Answer : a) Auxins
Description : Which of the following is a indicator plant for the bioassay of Atrazine?
Last Answer : Ans.Soybean
Description : The chemical nature of GA3 is (a) Phenolic (b) Terpene (c) Purine (d) Indole
Last Answer : (b) Terpene
Description : To prepare soils for the bioassay, her bicides get inactivated by a). Darco G-60 b). Activated charcoal c). a & b d). None
Last Answer : c). a & b
Description : .Which indicator plant is used in germi nation test of bioassay? a). Cucumber b). Sorghum c). Oat d). All
Last Answer : d). All
Description : .Sorghum is bioassay species for which group of herbicide? a). Dinitroanilines b). Dicamba c). Triazines d). a & b
Last Answer : d). a & b
Description : Which of the following is example of objectionable weed a. Avena fatua b. Chicory c. Phalaris minor d. All of thes
Last Answer : d. All of these
Description : Which of the following is example of objectionable weed a. Avena fatua b. Chicory c. Phalaris minor d. All of these
Description : . A weed acting as a satellite weed a). Avena fatua b). Cuscuta sp c). Cichorium sp d). All of these
Last Answer : d). All of these
Description : A weed not controlled by clodinafop propargyl in wheat a). Poa annua b). Phalaris minor c). Avena ludoviciana d). Lolium temulentum
Last Answer : a). Poa annua
Description : . A common weed of lowland rice a). Phalaris minor b). Avena fatua c). Monochoria vginalis d). Lolium temulentum
Last Answer : c). Monochoria vginalis
Description : The most common weed in wheat a). Avena ludoviciana b). Echinochloa colona c). Panicum dichotomiflorum d). Eleusine indica
Last Answer : a). Avena ludoviciana
Description : C4 weed a). Avena fatua b). Lolium temulentum c). Sorghum halepense d). Phalaris minor
Last Answer : c). Sorghum halepense
Description : Flooding is an effective strategy to control a). Avena ludoviciana b). Sorghum halepense c). Cynodon dactylon d). All e). None
Description : A weed with a balloon structure for effective dissemination a). Physalis minima b). Avena fatua c). Phalaris minor d). Amaranthus viridis
Last Answer : a). Physalis minima
Description : What is the full form of IAA ?
Last Answer : The full form of IAA International Advertising Association.
Description : $ Insectivorous plants get nitrogenous nutrition from the insects. IAA is growth promoter.
Last Answer : $ Insectivorous plants get nitrogenous nutrition from the insects. IAA is growth promoter. A. If both As and ... wrong D. If both As and R are wrong.
Description : Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin : cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with IAA
Last Answer : Ans. ((d))
Description : Which of the following enhances or induces fusion of protoplasts? (a) IAA and kinetin (b) IAA and gibberellins (c) Sodium chloride and potassium chloride (d) Polyethylene glycol and sodium nitrate
Last Answer : (d) Polyethylene glycol and sodium nitrate
Description : Which element is involved in biosynthesis of IAA ? (A) Nitrogen (B) Boron (C) Zinc (D) Copper
Last Answer : (C) Zinc
Description : The first ever auxin discovered was: a. IBA b. IPA c. IAA d. None of above
Last Answer : IAA
Description : Seed potato dormancy is broken by ? a IAA b NAA c Thiourea d CCC
Last Answer : c Thiourea
Description : Hormone primarily connected with cell division is (a) IAA (b) NAA (c) cytokinin/zeatin (d) gibberellic acid.
Last Answer : (c) cytokinin/zeatin
Description : Which one of the following pairs, is not correctly matched? (a) Gibberellic acid - Leaf fall (b) Cytokinin - Cell division (c) IAA - Cell wall elongation (d) Abscissic acid - Stomatal closure
Last Answer : (a) Gibberellic acid - Leaf fall
Description : The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year by application of (a) NAA, 2, 4-D (b) Phenyl acetic acid (c) Cytokinin (d) IAA, IBA.
Last Answer : a) NAA, 2, 4-D
Description : Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what ... . (c) It supports the hypothesis that IAA is auxin. (d) It demonstrated polar movement of auxins
Last Answer : (a) It made possible the isolation and exact identification of auxin.
Description : You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots? ... gibberellin (b) Auxin and cytokinin (c) Auxin and abscisic acid (d) Gibberellin and abscisic acid
Last Answer : (b) Auxin and cytokinin
Description : Match the following concerning essential elements and their functions in plants. Column-I Column-II (A) Iron (i) Photolysis of water (B) Zinc (ii) Pollen germination (C) Boron (iii) Required for chlorophyll biosynthesis (D) Manganese (iv) IAA biosynthesis
Last Answer : (c) (iii) (iv) (ii) (i)
Description : Growth regulating herbicides that act simi lar to that of endogenous auxin (IAA) a). Benzoic acid b). pyridine carboxylic acid c). quinoline carboxylic acid d). All
Description : Does anyone know a psychologist familiar with ABA in the NY. NJ. area who could evaluate my son at school?
Last Answer : answer:I work with an autistic boy part time using ABA therapy. He has a psychologist who is our team leader (there's 5 tutors including myself, then also his mother). Once a month the psychologist ... , but unfortunately we're in Ohio so I doubt it would do you much good. Best of luck.
Description : What is ABA (Abscisic acid)? -Biology
Last Answer : answer:
Description : What is the full form of 'ABA' ? -How To ?
Last Answer : The full form of 'ABA' is Anti Boost Missile