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TLS Online TPP Program

#Question id: 8897

Which of the following statements would be least acceptable to most zoologists?

#XL - T Zoology
  1. The extant cephalochordates (lancelets) are contemporaries, not ancestors, of vertebrates.
  2. The first fossils resembling cephalochordates appeared in the fossil record around 550 million years ago.
  3. Recent work in molecular systematics supports the hypothesis that cephalochordates are the most recent common ancestor of all vertebrates.
  4. The extant cephalochordates are the immediate ancestors of the fishes.
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TLS Online TPP Program

#Question id: 20112

#XL - P Chemistry

The second law of thermodynamics says that in cyclic process.
TLS Online TPP Program

#Question id: 20113

#XL - P Chemistry

A heat engine absorbs heat Q1 at temperature T1 and heat Q2 at temperature T2. Work done by the engine is (Q1 + Q2). This data
TLS Online TPP Program

#Question id: 20114

#XL - P Chemistry

The molar neutralization heat for and as compared to molar neutralization heat of NaOH and HCl
TLS Online TPP Program

#Question id: 20115

#XL - P Chemistry

If the enthalpy of B is greater than of A, the reaction A→B is
TLS Online TPP Program

#Question id: 20116

#XL - P Chemistry

Which of the following fuels will have the highest calorific value (kJ/kg)
TLS Online TPP Program

#Question id: 20117

#XL - P Chemistry

Which is the best definition of “heat of neutralization”