Description : Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte ... by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.
Last Answer : (b) female gametophyte lacks archegonia
Description : A globe valve is the most suitable for applications, in which (A) Fluid flow control is required (B) Fluid contains dispersed solid particles (C) Valve is required to be either fully open or fully closed (D) One way flow is required
Last Answer : (A) Fluid flow control is required
Description : State three differences between compact settlements and dispersed settlements. -Geography
Last Answer : Compact Settlement Dispersed Settlement (i) It is usually found in fertile plains of river valleys. It is found in mountainous highlands, ridges, forested areas and deserts and semideserts. (ii) Main ... each other and form a compact block. The houses are located at a distance from each other.
Description : Write the features of Dispersed settlements. -Geography
Last Answer : In these settlements, houses are spaced for apart and often interspersed with fields. A cultural feature such as a place of worship or a market, binds the settlements together
Description : Why is the sugar industry highly dispersed in India? -SST 10th
Last Answer : Sugar industry is highly dispersed in India because sugarcane is widely cultivated throughout the country.
Description : HOW COCKLEBUR' SEEDS ARE DISPERSED?
Last Answer : cockle-burs are actually the "seeds" themselves and if one ispartially buried it can sprout a new tree
Description : Seeds dispersed by wind are
Last Answer : Seeds dispersed by wind are A. Heavy B. Round C. Irregular D. Light
Description : The Tyndall effect is observed only when following conditions are satisfied : (a) The diameter of the dispersed particles is much smaller than the wav
Last Answer : The Tyndall effect is observed only when following conditions are satisfied : (a) The diameter of the dispersed particles ... ) and (c) D. (a) and (d)
Description : The dispersed phase in colloidal iron (III) hydroxide and collodial gold is positively and negtively charged respectively with of the following statem
Last Answer : The dispersed phase in colloidal iron (III) hydroxide and collodial gold is positively and negtively ... readily than the iron (III) hydroxide sol.
Description : Coconut fruit is dispersed by
Last Answer : Coconut fruit is dispersed by A. Air B. Animals C. Autochory D. Water
Description : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them are +vely charged, others are -vely charged. When +v
Last Answer : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them ... dispersed in air by aeroplanes D. None of these
Last Answer : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them are + ... C. it helps in coagulation D. all of them
Last Answer : Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them are ... sol"` C. neutral sol D. True solution
Description : Among the following number of correct statements are : (i) Stability of lyophilic colloids is mainly due to the strong interaction between dispersed p
Last Answer : Among the following number of correct statements are : (i) Stability of lyophilic colloids is ... solution is lesser than that of dispersion medium.
Description : The colloidal system consisting of a liquid dispersed in a solid dispersion medium is termed as :
Last Answer : The colloidal system consisting of a liquid dispersed in a solid dispersion medium is termed as : A. aerosol B. foam C. emulsion D. gel
Description : Identify dispersed phase and dispersion medium in the following colloidal dispersions : a. milk b. blood c. printing ink
Last Answer : Identify dispersed phase and dispersion medium in the following colloidal dispersions : a. milk b. blood c. printing ink d. fog
Description : Metallic gold ferquently is found is aluminosilicate rocks and it is finely dispersed among other minerals. It may be extracted by treating the crushe
Last Answer : Metallic gold ferquently is found is aluminosilicate rocks and it is finely dispersed ... hydrometallurgical extraction D. purification of metal.
Last Answer : Metallic gold ferquently is found is aluminosilicate rocks and it is finely dispersed among other minerals. It may be ... agent. D. (A) and ( C) both
Description : Metallic gold frequently is found is aluminosilicate rocks and it is finely dispersed among other minerals it may be extracted by treating the crushed
Last Answer : Metallic gold frequently is found is aluminosilicate rocks and it is finely dispersed among other minerals it may be ... ) rarr Zn[(CN)_(4)]^(-)`
Description : How are avocado seeds dispersed?
Last Answer : Need answer
Description : How do you differentiate a mono dispersed system from a poly dispersed system?
Last Answer : Mw/Mn=1 Mono disperse Polymer sample consisting of molecules allof which have the same chain length Mw/Mn>1 Poly dispersePolymer consisting of molecules with the variety of chainlength.
Description : What are the size of dispersed particles of a solution?
Last Answer : In a true solution particles are not visible.
Description : How is a flame of the forest dispersed?
Last Answer : by explosion
Description : How are goose grass seeds dispersed?
Last Answer : Feel Free to Answer
Description : How can pine tree seeds get dispersed?
Description : How is chestnut dispersed?
Description : How mustard seeds are dispersed?
Last Answer : wind
Description : When white light passes through a glass prism, it gets dispersed into colours because (a) glass imparts colours to the light (b) different colours have different speeds in glass (c) interference of light occurs (d) diffraction of light occurs
Last Answer : Ans:(b)
Description : The basic structure of cell membranes (a) Is a lipid bilayer that serves as a barrier to water soluble molecules (b) Differs ultra structurally for internal and external membranes ... dispersed within a protein bilayer (d) Is visualised as bilaminar structure with transmission electron microscopy
Last Answer : Ans:(a)
Description : There are 6 major salivary glands and they are located one in each parotid gland, two beneath the mandibles (submandibular) and two in the base of the tongue (sublingual). More than 700 other minor salivary glands exist dispersed on the lip mucosa, gingiva, palate and pharynx.
Last Answer : What is the approximate pH of the salivary secretion? Is it an acid or basic fluid? What are the main functions of saliva?
Description : Butter is - (1) fat dispei-sed in milk (2) water dispersed in fat (3) water dispersed in oil (4) fat dispersed in water
Last Answer : (2) water dispersed in fat Explanation: Butter is an emulsion of water in milk fat. The water constitutes the dispersed phase and the milk fat the continuous phase. As well as ... substances and, in soured butter, microbially formed metabolites such as lactic acid and aromatic substances.
Description : (1) a homogeneous mixture of two or more substances Explanation: A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase is called solution. In such a mixture, a ... the solvent including its phase, and the solvent is commonly the major fraction of the mixture.
Last Answer : Choose the incorrect statement pertaining to organic compounds - (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen
Description : (4) Water drops in a dispersion medium of air Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... or gas. Cloud is a colloidal dispersion of Water drops in a dispersion medium of air.
Last Answer : Conduction band electrons have more mobility than holes because they – (1) are lighter (2) experience collision less frequently (3) have negative charge (4) need less energy to move them
Description : (2) Fat is dispersed in water Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution.
Last Answer : The presence of ozone in the stratosphere is responsible for – (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets
Description : A colloidal system in which a liquid is dispersed in a liquid is called – (1) gel (2) emulsion (3) sol (4) precipitate
Last Answer : (2) emulsion Explanation: An emulsion is a mixture of two or more liquids that are normally immiscible (nonmixable or unblendable). Emulsions are part of a more general class of two-phase ... ). Examples of emulsions include vinaigrettes, milk, mayonnaise, and some cutting fluids for metal working.
Description : Smoke is formed due to – (1) Solid dispersed in gas (2) Solid dispersed in liquid (3) gas dispersed in solid (4) gas dispersed in gas
Last Answer : (1) Solid dispersed in gas Explanation: Smoke is a collection of airborne solid and liquid particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air ... military (smoke-screen), cooking (smoked salmon), or smoking (tobacco, cannabis, etc.).
Description : Rainbows are produced when sunlight (1) Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction (2) Incident on rain drops hanging in the atmosphere is dispersed ... atmosphere is dispersed after suffering reflection. (4) None of the given statements is correct.
Last Answer : (2) Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Explanation: When the light rays from the Sun are incident on water drops hanging in ... results in production of colour arcs which appear hanging in the sky and known as rainbow.
Description : Fog is an example of – (1) Gas dispersed in has (2) Liquid dispersed in gas (3) Solid dispersed in gas (4) Solid dispersed in liquid
Last Answer : (2) Liquid dispersed in gas Explanation: Fog is a collection of liquid water droplets or ice crystals suspended in the air at or near the Earth's surface. While fog is a type of stratus ... . Fog is distinguished from mist only by its density, as expressed in the resulting decrease in visibility.
Description : Colloid which contains particles of liquid or solid dispersed in gas?
Last Answer : Aerosol
Description : __________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids. (A) Wetted wall (B) Packed (C) Plate (D) Spray
Last Answer : C) Plate
Description : Smoke is an example of (A) Solid dispersed in liquid (B) Solid dispersed in gas (C) Liquid dispersed in gas (D) Gas dispersed in liquid
Last Answer : (B) Solid dispersed in gas
Description : If an electric field is applied to a colloidal sol, the dispersed phase particles are found to move towards the electrode of opposite charge. If however, the dispersed phase is made stationary, the ... move in the opposite direction. What is the term used for such movement of dispersion medium ?
Last Answer : Ans. Electro osmosis.
Description : If a money order payable to a person whose identity is not known to the PO is received a) It cannot be paid at window b) It should be paid on proper identification b a person known to the PO c) Should be returned to the sender d) Can be redirected/dispersed as per written instruction of the person
Last Answer : b) It should be paid on proper identification b a person known to the PO
Description : Who said that ‘‘dispersed solar sources are more compatible than centralized technologies withsocial equity, freedom and cultural pluralism.’’ a. Mumford. b. Denis Hayes. c. Louise. d. None of the above.
Last Answer : b. Denis Hayes.
Description : The walking fern is so named because (a) it propagates vegetatively by its leaf tips (b) it knows how to walk by itself (c) its spores are able to walk (d) it is dispersed through the agency of walking animals.
Last Answer : (a) it propagates vegetatively by its leaf tips
Description : Fat dispersed in water is exemplified by (A) Colloids (B) Gel (C) Butter (D) Emulsion
Last Answer : (C) Butter
Description : How can LinkedIn serve the company aside from social network marketing? Job openings can easily be dispersed to qualified candidates on LinkedIn Company pictures can be posted to the profile Negative press about the competition can be easily spread Pricing lists can be posted
Last Answer : Job openings can easily be dispersed to qualified candidates on LinkedIn