Description : Pulsation theory was given by
Last Answer : Ans. J.C. Bose (1923)
Description : Theory of evolution through natural selection was given by
Last Answer : Ans. C.Darwin and A.R.Wallace (1858)
Description : Cell theory was given by
Last Answer : Ans. M.J. Schleiden and T.Schwann (1939)
Description : Pick out the wrong statement. (A) The Reynolds analogy for mass transfer is given by Lewis relation and is applicable, when Schmidt number is one (B) Sherwood number for flow in pipes can be expressed ... flux of a component A in binary mixture of A and B is given by - Dab'.dCA/dz
Last Answer : (C) According to film theory for equimolar counter diffusion, the mass transfer coefficient is given by DAB(B)P - 3, Q - 2
Description : Population theory was proposed by
Last Answer : Ans. Malthus
Description : The most accepted theory of water absorption
Last Answer : Ans. Transpiration pull theory
Description : Chromosomal theory of heredity was proposed by
Last Answer : Ans. W. Sutton (1902)
Description : Who developed the theory of acquired character?
Last Answer : Ans. Lamarck
Description : The accepted theory of Mendal was
Last Answer : Ans. Law of Segregation
Description : Who gave the chromosomal theory of Inheritance?
Last Answer : Ans. Sutton and Boveri
Description : The mechanism of ATP formation both in chloroplast and mitochondria is explained by (a) chemiosmotic theory (b) Munch’s hypothesis (mass flow model) (c) relay pump theory of Godlewski (d) Cholodny-Wont’s model.
Last Answer : (a) chemiosmotic theory
Description : Forestry outside the conventional forests which primarily aim at providing continuous flow of goods and services for the benefit of people
Last Answer : Ans. Social forestry
Description : Shrinkage of protoplasm due to outward flow of water (exosmosis) in a concentrate solution.
Last Answer : Ans. Plasmolysis
Description : Heat flow in air by process of
Last Answer : Ans. Radiation
Description : Heat flow in liquid/water by process of
Last Answer : Ans. Convection
Description : Heat flow in solid/soil takes place mainly through the process of
Last Answer : Ans. Conduction
Description : A sheet of paper with pictorial slogan, which is utilized to attract the mass attention for single idea.
Last Answer : Ans. Poster
Description : The media used for mass contact
Last Answer : Ans. Radio, Television, Exhibitions, Bulletins, Leaflets, News letter, Circular letters, Posters, folder/pamphlet etc.
Description : Sooty or charcoal like powdery mass usually appearing on floral organs particularly the ovary is
Last Answer : Ans. Smut
Description : Mass selection is always based on
Last Answer : Ans. Phenotype
Description : A mass of rotted organic matter made from waste
Last Answer : Ans. Compost
Description : Natural soil aggregates/mass are known as
Last Answer : Ans. Peds
Description : Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above
Last Answer : Answer: Option D
Description : According to kinetic theory of gases, the absolute zero temperature is attained when (a) volume of the gas is zero (b) pressure of the gas is zero (c) kinetic energy of the molecules is zero (d) specific heat of gas is zero (e) mass is zero.
Last Answer : Answer : c
Description : The loss of water (contains salts and minerals) through hydathodes in liquid form during night and regulated by root pressure
Last Answer : Ans. Guttation
Description : Root pressure is measured by
Last Answer : Ans. Manometer
Description : The hydrostatic pressure developed due to the accumulation of water absorb by the root is called root pressure.
Last Answer : Ans. Root pressure
Description : The hydrostatic pressure generated within the cell against cell wall as a result of entry of water into it, due to osmosis.
Last Answer : Ans. Turgor pressure
Description : Lines of equal pressure
Last Answer : Ans. Isobar
Description : Atmospheric pressure is measured by
Last Answer : Ans. Barometer
Description : Wind pressure is measured by
Last Answer : Ans. Beaufort scale
Description : The mean sea level pressure is
Last Answer : Ans. 1013.25 milibars
Description : CHI 2 test was given by
Last Answer : Ans. Karlpierson
Description : The order of three averages for a given data
Last Answer : Ans. AM > GM > HM
Description : A line indicates all possible combinations of two inputs which can be purchased with a given amount of investment fund
Last Answer : Ans. Iso-Cost line
Description : A line represents the different combinations of two variable inputs used in the production of a given amount of output.
Last Answer : Ans. Isoquant
Description : Long term loan is given for the period of
Last Answer : Ans. 5 to 30 years
Description : Short term loan is given for
Last Answer : Ans. 1 to 1½ years
Description : Marketable surplus is given by
Last Answer : Ans. MS = P – C
Description : The concept of demonstration was given by
Last Answer : Ans. Dr. Seeman A. Knapp
Description : The concept ‘Osmosis’ is given by
Last Answer : Ans. Abbe Nollel
Description : Term ‘Heterosis’ was given by
Last Answer : Ans. Shull
Description : Concept of pure line was given by
Last Answer : Ans. Johnson
Description : ‘Meiosis’ term was 1 st given by
Last Answer : Ans. J.B. Farmer (1905)
Description : The term ‘Enzyme’ was given by
Last Answer : Ans. W. Kuhne (1867)
Description : A situation in which a crop needs more of a given nutrient yet has shown no deficiency symptoms
Last Answer : Ans. Hidden Hunger
Description : The weight of the carbon of air at any given place and time.
Last Answer : Ans. Atmospheric pressure
Description : A condition of atmosphere at a given place at a given time.
Last Answer : Ans. Weather
Description : A weather condition over a given region during a longest period.
Last Answer : Ans. Climate
Description : For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it (A) Decreases the pressure drop (B) ... the outlet temperature of cooling medium (C) Increases the overall heat transfer coefficient (D) None of these
Last Answer : (C) Increases the overall heat transfer coefficient