112. Which group of organisms is found at a lower level of evolution according to the modern
evolution?
A. Protists
B. Fungi
C. Animals
D. Plants
113. According to the theory of evolution proposed by Darwin, which one of the following is the
most important driving force of evolution?
A. Mutation B. Over reproduction
C. Genetic recombination
D. Natural selection
114. Which of the following terms best describes the number of different species in the biosphere
or in a particular area?
A. Biodiversity
diversity
B. Genetic diversity
C. Ecosystem diversity D. Species
115. On which of the following points do Lamarck's and Darwin's theories of evolution agree?
A. Evolution produces new species
C. All living things tend to over reproduce
B. Evolution occurs by natural selection
D. New structures arise by use and dis-use
116. One of the following sources of evidence provides a more direct support to the process
Charles Darwin's theory of evolution?
A. Physiology
B. Anatomy
C. Genetics D. Geographic distribution
117. Which of the following concept is attributed to Charles Darwin?
A. Use and disuse of organs is of great importance in evolution
B. Every cell must come from a pre-existing
would survive
C. In the struggle for existence, the fittest
D. The gametes would carry only one pair of contrasting character
118. The machine used to clone DNA outside a cell is;
A. X-ray machine
B. PCR machine
C. Golden gun
D. Paper blot
119. It is known that the total amount DNA in a cell contains 300 nucleotides and adenine
contributes to 80 of these. How many nucleotides go to guanine?
A. 35
B. 70
C. 80
D. 140
120. What is the number of different combinations of chromosomes in the pollen grains of the
crocus which has a diploid number of six (2n = 6)?
A. 8
B. 6
C.4
121. Transcription is most similar to;
A. Chemi-osmosis
D. 16
B. DNA replication
C. Translation D. Facilitated diffusion