1. Bionics is the science of …
a. Copying natural forms of plants and animals
b. Constructing machines that are similar to natural machines found in plants and animals
c. Inventing moving and flying machines like wings of birds or bats
d. Designing machines, both ancient and modern
2. The principle of bionics is based on …
a. Flying seeds
b. The propeller
c. Natural forms
d. Spiral blades
3. The invention of the propeller was based on …
a. Ancient machines
b. The fall of the seeds from the tree
c. The helicopter rotor
d. The flying of the seeds with wings
4. The machines with spiral blades could fly when …
a. The blades turned with a circular movement
b. The blades moved through water
c. The blades like a bird’s wings
d. The blades were slightly twisted
5. The invention of the aeroplane was based on …
a. The moving of a bird’s wings
b. The flying of the seeds
c. The wing and the propeller
d. The twisted wings of the seed
6. Bionics does not copy nature in detail, but it …
a. Develops the natural shapes
b. Designs new type of natural machines
c. Changes some of the natural shapes
d. Applies the principles behind living machinery
7. We can infer from the passage that, by copying natural shapes,…
a. Man does not have to spend time developing machines
b. Machines production does not cost much
c. Bionics was made up and used in 1958
d. Man is indirectly destroying nature
8. “Observation of such seeds suggested the idea of making machines …” The underlines part refers to …
a. Seeds falling from the tree
b. Seeds of certain trees
c. Seeds of certain trees
d. Seeds with wings slightly twisted
e. Seeds flying long distances with wings