Un answerd questions!.

QuestionAnswers!
Which of the below is correct earned premium for year 2009? - Insurance Institute Of India � 2013

0
A teacher teaches 1 to 3 courses (subjects). Each course is taught by only one teacher. A student can take between 1 to 5 courses. A course can have 10 to 300 students. Illustrate with a suitable diagram how above scenario can be modeled in UML.

0
Recognise the following Taalas and write their complete Theka : (HINDUSTANI-MUSIC-Instrumental-Percussion-CBSE-2018)

0
Y ou are asked to design a genetic construct for high-level expression of a gene encoding the therapeutic protein 18 (TP18) via plastid transformation. Select the CORRECT set of genetic elements for this construct.

0
Y ou are asked to design a genetic construct for high-level expression of a gene encoding the therapeutic protein 18 (TP18) via plastid transformation. Select the CORRECT set of genetic elements for this construct.

0
A zoologist recovered some tissue from preserved skin of a woolly mammoth. Further genetic analysis requires DNA isolation and increasing its amount. Which ONE of the following techniques would be most useful for increasing the amount of DNA?

0
I n Drosophila melanogaster, a mutation in Ultrabithorax which defines the third segment of the thorax or T3 leads to development of four winged flies, as the halteres develop into a second pair of wings. Which ONE of the following phenotypes in fly will result from overexpression of Ultrabithorax in the second thoracic segment?

0
A population of rabbits was determined to have a birth rate of 200 and mortality rate of 50 per year. If the initial population size is 4000 individuals, after 2 years of non-interfered breeding the final population size will be _______________.

0
I n a population which is in Hardy-Weinberg equilibrium, the frequency of occurrence of a disorder caused by recessive allele (q) is 1 in 1100. The frequency of heterozygotes in the population will be ______________.

0
Y ou have a 50 mg/mL stock solution of arginine. To prepare 1 liter of growth medium for an arginine auxotroph that requires 70 μg/mL of arginine, the volume of this stock solution that should be added is _____________ mL

0
A ctive transport involves the movement of a biomolecule against a concentration gradient across the cell membrane using metabolic energy. If the extracellular concentration of a biomolecule is 0.005M and its intracellular concentration is 0.5M, the least amount of energy that the cell would need to spend to transport this biomolecule from the outside to the inside of the cell is ________ kcal/mol (up to 2 decimal points).

0
A continuous cell culture being carried out in a stirred tank reactor is described in terms of its cell mass concentration X and substrate concentration S. The concentration of the substrate in the sterile feed stream is SF = 10 g/L and yield coefficient Yx/s = 0.5. The flow rates of the feed stream and the exit stream are equal (F=5 mL/min) and constant. If the specific growth rate (h-1) 𝜇 = 0.3 𝑆 (1+𝑆) , the steady state concentration of S is _____ g/L

0
T he initial concentration of cells (N0) growing unrestricted in a culture is 1.0×106 cells/mL. If the specific growth rate (μ) of the cells is 0.1 h-1, the time required for the cell concentration to become 1.0×108 cells/mL is _________ hours

0
T he following stoichiometric equation represents the conversion of glucose to lactic acid in a cell: Glucose + 2Pi + 2ADP  2Lactate + 2ATP +2H2O If the free energy of conversion of glucose to lactic acid only is ΔG0 = 47000 cal/mol, the efficiency of energy transfer is _______ % (up to 1 decimal point).

0
Measurement of the absorbance of a solution containing NADH in a path length of 1cm cuvette at 340 nm shows the value of 0.31. The molar extinction coefficient of NADH is 6200 M-1 cm-1. The concentration of NADH in the solution is ___ μM

0
A polymerase reaction is carried out for 10 cycles in a volume of 1 ml with 5 molecules of template DNA. Assuming that the efficiency of the reaction is 100 %, the number of molecules of DNA present in 100 l at the end of the reaction is ___

0
An enzyme follows Michaelis-Menten kinetics with substrate S. The fraction of the maximum velocity (Vmax) will be observed with the substrate concentration [S] = 4Km is _____ (correct to one decimal place).

0
T he standard reduction potential (Eo) for the conversion of Cr2O7 2 to Cr3+ at 25 C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr2O7 2 and Cr3+ are 1.0 × 104 M and 1.0 × 103 M, respectively. Then the potential of this half-cell reaction is

0
T he solubility product (Ksp) of Mg(OH)2 at 25 C is 5.6 × 1011. Its solubility in water is S × 102 g/L, where the value of S is _______ (up to two decimal places).

0
O ne mole of helium gas in an isolated system undergoes a reversible isothermal expansion at 25 C from an initial volume of 2.0 liters to a final volume of 10.0 liters. The change in entropy (S) of the surroundings is ______ J K1 (up to two decimal places).

0
What are considered the three correct methods for winding and storing audio cables ? (a) Over and Over (b) Over and Under (c) Figure 8 (d) Round and Round (e) On your elbow like a mountain climber (MUSIC-AESTHETICS-CBSE-2018)

0
Copyright of creative art is in the news these days . Do you think it is important to have strict rules for the same ? Explain with a recent example. (MUSIC-AESTHETICS-CBSE-2018)

0
On the summer solstice day, the maximum incident shortwave radiation at the top of the atmosphere over the equator (up to one decimal place) is __________ W m–2. (Take solar constant as 1368 W m–2).

0
In an isothermal atmosphere having a temperature of 15oC, the height at which pressure decreases to 1/10 of its value at the surface is __________ km. (Give the answer to two decimal places.) Take g = 9.8 m s–2, gas constant R = 287 J kg–1 K–1

0
At 30°N and 700 hPa pressure level, wind field is in gradient balance. If the gradient wind speed is 50 m s–1 and radius of curvature of the flow is 50 km, the corresponding geostrophic wind speed is __________ m s–1. (Give the answer to one decimal place.) Take the angular velocity of the Earth as 7.3x10–5 s–1

0
In a tropical cyclone over the Pacific Ocean, surface pressure at 500 km from the cyclone centre is 1000 hPa. Surface pressure at the centre is 900 hPa. Sea surface temperature and surface air temperature remain constant at 28oC and 27oC, respectively. Difference in potential temperature between 500 km and cyclone centre is __________ K. (Give the answer to two decimal places.) Take g = 9.8 m s–2, Cp = 1005 J kg–1 K–1, gas constant R = 287 J kg–1 K–1

0
Let Lx, Ly be length scales in x- and y-directions and corresponding mass transports are Mx and My. The ratio of Mx and My (to nearest integer) is __________ , if the ratio of Lx and Ly is 10 and vertical velocity is zero.

0
If wind speed over ocean surface is 10 m s–1, air-sea interface momentum flux is __________ N m–2. (Give the answer to two decimal places.) Surface air temperature and pressure are 27°C and 1000 hPa, respectively. Take drag coefficient as 0.001 and gas constant R = 287 J kg–1K–1.

0
A cloud forms by the lifting of moist air from the surface with the initial conditions To = 30oC, RH = 80% and Po = 1005 hPa. If the vapour pressure of this parcel at 500 hPa is 6.5 hPa, the liquid water content of the parcel if no precipitation takes place is __________ gm kg–1. (Give the answer to one decimal place.) Saturation vapour pressure of water at 30oC is 42.43 hPa.

0
A numerical model of the atmosphere uses sigma (𝜎) coordinate system in vertical. At locations P and Q, surface pressures are 1005 hPa and 500 hPa, respectively. Absolute difference in the heights of 𝜎 = 0.9 level between these locations is __________ meters. (Give the answer to one decimal place.) Layer mean temperatures at P and Q are 300 K and 270 K, respectively. (Take g = 9.8 m s–2 gas constant R = 287 J kg–1 K–1)

0
If difference in sea surface elevation is 1 m in 100 km at 30° N latitude, the corresponding geostrophic current is __________ m s–1. (Give the answer to one decimal place.) Take g = 9.8 m s–2 and angular velocity of the Earth = 7.3x10–5 s–1.

0
A dult male Wistar rats were fed with a protein based diet. Total 150 g of protein was ingested per animal. If the average weight increased from 110 g to 350 g after the end of the experiment, the Protein efficiency ratio of the given protein would be _______. (up to two decimal points)

0
T he oxygen transmission rate through a 2.54 x 10-3 cm thick low density polyethylene film with air on one side and inert gas on the other side is 3.5 x 10-6 mL cm-2 s-1. Oxygen partial pressure difference across the film is 0.21 atm. The permeability coefficient of the film to oxygen is _______ x 10-11 mL (STP) cm cm-2 s-1 (cm Hg)-1.

0
A mbient air at 30◦C dry bulb temperature and 80% relative humidity was heated to a dry bulb temperature of 80◦C in a heat exchanger by indirect heating. The amount of moisture gain (g kg-1 dry air) during the process would be _______.

0
F or an enzyme catalyzed reaction S P , the kinetic parameters are: [S] = 40 μM, V0 = 9.6 μM s-1 and Vmax = 12.0 μM s-1. The Km of the enzyme in μM will be _______.(up to one decimal points)

0
A microbial sample taken at 10 AM contained 1x105 CFU/mL. The count reached to 1x1010 CFU/mL at 8 PM of the same day. The growth rate (h-1) of the microorganism would be _______.(up to two decimal points)

0
B lack pepper is ground from an equivalent particle size of 6 mm to 0.12 mm using a 10 hp motor. Assuming Rittinger’s equation and that 1 hp = 745.7 W, the power (hp) of motor required to fine grind black pepper to 0.08 mm would be _______.(up to two decimal points)

0
G reen pea (average diameter 0.8 cm) is frozen in a blast freezer operating at -40◦C and with a surface heat transfer coefficient of 30 W m-2 K-1. The thermal conductivity of pea is 2.5 W m-1K-1, and latent heat of crystallization is 2.74 x 102 kJ kg-1. If the freezing point of pea is -1◦C and the density is 1160 kg m-3, the freezing time in minutes will be _______.(up to two decimal points)

0
T he rate of heat transfer from a metal plate is 1000 W m-2. The surface temperature of the plate is 120◦C and ambient temperature is 20◦C. The convective heat transfer coefficient (W m-2 ◦C-1) using the Newton’s law of cooling will be _______.

0
T he Tg of homopolymers of A and B are +100 oC and -70 oC respectively. The Tg of a random copolymer of A and B having 40 wt% A and 60 wt% B is _________oC.

0
The solubility parameter of a polymer having cohesive energy density (Ecoh) 43870 J/mol and molar volume (V) 136 cm3/mol is _________ (J/cm3)1/2.

0
T he heat of polymerization of styrene is 20 Kcal/mol. Heat of 5 x105 Kcal will be released on polymerization of __________ Kg of styrene (C = 12 and H = 1 g/mol).

0
I f the heat of fusion of 100 % crystalline polyethylene is 290 mJ/mg, a sample of polyethylene with heat of fusion of 141 mJ/mg will have_______ % crystallinity.

0
One kmol of an ideal gas (Cp = 21 kJ/kmol.K) undergoes a constant pressure process from 300 K to 500 K. The molar entropy of the gas at 300 K is 150 kJ/kmol.K. The molar entropy (in kJ/kmol.K) at 500 K (up to 1 decimal place) is ________.

0
A rigid container is completely filled with a liquid having a constant isothermal compressibility of 4 1 1.09 10 bar    and a constant coefficient of volume expansion of 3 1 1.12 10 K    . The liquid is initially at 300 K and 1 bar. Heat is supplied to the liquid to raise its temperature to 350 K. Assuming that no phase change occurs, the final pressure (in bar) of the liquid (up to 1 decimal place) is ________.

0
One kmol of an ideal gas at 300 K and 10 bar is reversibly heated in a constant volume process to 500 K. It is then reversibly and isothermally expanded to 2 bar. Take Cv = 20.8 kJ/kmol.K and R = 8.314 kJ/kmol.K. The total heat supplied (in kJ) to the gas (up to 1 decimal place) is ________.

0
A given mass of a simple compressible substance undergoes a reversible cycle, as shown in the P-V diagram. The magnitude of the net work done during the cycle is 3 kJ. The pressure (in bar) at point C (up to 1 decimal place) is ________.

0
Superheated steam at 2 bar and 300 °C, with an enthalpy of 3072.1 kJ/kg, enters a horizontal adiabatic nozzle with negligible velocity and leaves at 0.2 bar as saturated vapour with an enthalpy of 2609.9 kJ/kg. Assuming steady flow and neglecting the potential energy changes, the exit velocity (in m/s) of the steam (up to 1 decimal place) is __________.

0
Air at 150 kPa and 323 K is filled in a rigid vessel of 0.05 m3 capacity. For air, assumed as an ideal gas, specific heat at constant volume is 0.7163 kJ/kg.K and the specific gas constant is 0.287 kJ/kg.K. Neglect kinetic and potential energy changes. If 30 kJ of heat is added, the final temperature (in K) of air (up to 1 decimal place) is __________.

0
An ideal gas has a molar mass of 40 kg/kmol. Take R = 8.314 kJ/kmol.K. At a pressure of 2 bar and a temperature of 300 K, the volume (in m3) of 1 kg of this gas (up to 2 decimal places) is ________.

0