Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 27010
TLS Online TPP Program

#Question id: 8959

The most ancient branch point in animal phylogeny is that between having

#Unit 9. Diversity of Life Forms
  1. radial or bilateral symmetry.
  2. a well-defined head or no head.
  3. diploblastic or triploblastic embryos.
  4. true tissues or no tissues.
More Questions
TLS Online TPP Program

#Question id: 3879

#Unit 3. Fundamental Processes

Which of the following is not usually essential for the catalytic activity of ribozymes?
TLS Online TPP Program

#Question id: 322

#Unit 1. Molecules and their Interaction Relevant to Biology

A covalent bond is likely to be polar when ________.
TLS Online TPP Program

#Question id: 10394

#Unit 6. System Physiology – Plant

The interconversion of phytochrome Pr to Pfr form proposed by
TLS Online TPP Program

#Question id: 1081

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a type of local signaling in which a cell secretes a signal molecule that affects neighboring cells?
TLS Online TPP Program

#Question id: 4940

#Unit 11. Evolution and Behavior

In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of