TLS Online TPP Program

#Question id: 3551


In angiosperm plant, assume that the male parent has an AA Bb genotype, and that the female parent has an aa BB genotype. What is genotype in endosperm nucleus, after reproduction between these two plants?

#Section 3: Genetics, Cellular and Molecular Biology
  1. AAa BBB or Aaa BBb                

  2. Aaa BBB  or Aaa BBb

  3. Aaa BBB or Aaa Bbb                 

  4. AAa BBb or Aaa BBb

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TLS Online TPP Program

#Question id: 15461

#Section 6: Plant, Animal and Microbial Biotechnology

When doing experiments with bacteria,

TLS Online TPP Program

#Question id: 15462

#Section 4: Fundamentals of Biological Engineering

What is the enthalpy of 150 g formic acid at 70°C and 1 atm relative to 25°C  and 1 atm? (Cp for formic acid is 0.524 cal g-1 °C-1)

TLS Online TPP Program

#Question id: 15463

#Section 4: Fundamentals of Biological Engineering

A system in which there is exchange of energy but not of mass, is called a/an    ______                 system

TLS Online TPP Program

#Question id: 15464

#Section 4: Fundamentals of Biological Engineering

The quantity of heat required to evaporate 1 kg of a saturated liquid is called

TLS Online TPP Program

#Question id: 15465

#Section 4: Fundamentals of Biological Engineering

50 g benzaldehyde vapour is condensed at 179°C. What is the enthalpy of the liquid relative to the vapour?  (Standard latent heat for vaporisation for benzaldehyde is 38.40 kJ gmol-1)

TLS Online TPP Program

#Question id: 15466

#Section 4: Fundamentals of Biological Engineering

Water at 25°C enters an open heating tank at a rate of 10 kg h-1. Liquid water leaves the tank at 88°C at a rate of 9 kg h-1; 1 kg h-1 water vapour is lost from the system through evaporation. At steady state, what is the rate of heat input to the system?
h (liquid water at 25°C = 104.8 kJ kg-1
h (liquid water at 88°C = 368.5 kJ kg-1
h (saturated steam at 88°C = 2656.9 kJ kg-1)