(Multiple choice)

(1) True or false:

(a) All baryons are hadrons.

(b) All hadrons are baryons.

(2) True or false:

Mesons are spin-1/2 particles.

(3) True or false:

(a) Leptons consist of three quarks.

(b) The times for decays via the weak interaction are typically longer than those for decays via the strong interaction.

(c) Electrons interact with the proton via the strong interaction.

(d) Strangeness is not conserved in weak interactions.

(e) Neutrons have no charm.

(4) How can you tell whether a particle is a meson or a baryon by looking at its quark content?