Biology

Question 1

1Height in humans shows

Easy

A. no variation B. discontinuous variation C. only environmental variation D. continuous variation

Question 2

2Darwin's theory of evolution is based on

Hard

A. special creation B. use and disuse C. natural selection D. spontaneous generation

Question 3

3Charles Darwin proposed the theory of evolution by

Easy

A. special creation B. spontaneous generation C. use and disuse D. natural selection

Question 4

4Organs with the same basic structure but different functions, such as a human arm and a bat wing, are

Medium

A. analogous structures B. homologous structures C. vestigial organs D. fossils

Question 5

5Variation caused by the environment, such as a scar, is

Easy

A. acquired (environmental) variation B. a mutation C. genetic variation D. inherited

Question 6

6Height in humans is an example of

Easy

A. a blood group B. discontinuous variation C. continuous variation D. no variation

Question 7

7Analogous structures, such as wings of birds and insects, indicate

Hard

A. mutation only B. common ancestry C. artificial selection D. convergent evolution

Question 8

8Lamarck proposed

Hard

A. natural selection B. mutation theory C. genetic drift D. inheritance of acquired characteristics

Question 9

9Charles Darwin explained evolution by

Easy

A. natural selection B. the inheritance of acquired characteristics C. special creation only D. spontaneous generation

Question 10

10Which is an example of discontinuous variation?

Easy

A. ABO blood group B. body mass C. hand span D. height