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TLS Online TPP Program

#Question id: 8897

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

#Unit 9. Diversity of Life Forms
  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: 5966

#General Aptitude

The maximum gap between two successive leap year is?
TLS Online TPP Program

#Question id: 1716

#Unit 4. Cell Communication and Cell Signaling

Expression of a CD8 α-α homodimer is characteristic of:
TLS Online TPP Program

#Question id: 15690

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect statement for the matrix 
TLS Online TPP Program

#Question id: 4252

#Unit 3. Fundamental Processes

Which of the following DNA mutations is most likely to damage the protein it specifies?
TLS Online TPP Program

#Question id: 24638

#Unit 2. Cellular Organization

The type I topoisomerase reaction The ends are ligated by a second nucleophilic attack which can be inhibited by