Choose the best answer:
  
1. Which of the following statements about the dendrites is correct?

2. Read the following four statements about the neurons, have mistakes in two of them, find out it
a. Synaptic knobs are present at the dendritic tip of the neuron
b. Unipolar neurons have multiple dendrites
c. Axons and dendrites are not distinguished in apolar neurons
d. Unipolar neurons can be found in embryos