1. Directions

You will read passages on the topic and then answer questions about them. You may find vocabulary at the end of the test. Read the questions carefully before choosing the correct answers.

2. Questions of the test

Question 1. How many pairs of whisker-like feelers do catfish have by their mouth?
A) One pair
B) Two pairs
C) Three pairs
D) Four pairs

Question 2. In which types of environments do catfish live?
A) Freshwater on all the major continents and oceans
B) Saltwater on all the major continents and oceans
C) Freshwater on all the major continents and some parts of the oceans
D) Saltwater on all the major continents and some parts of the oceans

Question 3. What is the size range of catfish species?
A) 1 inch to 3 inches
B) 2 inches to 4 inches
C) 3 inches to 5 inches
D) 15 feet or longer

Question 4. What do catfish generally feed on?
A) Other fish
B) Insects
C) Almost any kind of animal or plant material
D) Only algae

Question 5. Can catfish produce electric shocks?
A) Yes, all catfish can produce electric shocks
B) No, none of the catfish can produce electric shocks
C) Only certain species of catfish can produce electric shocks
D) It is not known if any catfish can produce electric shocks