Biology Practice Test (part 3)

50 Questions  I  By Nokee

  
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1.  Which of the following molecular techniques involves “ DNA replication in a tube”?
A.
B.
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D.
E.
2.  According to the Aristotle ladder of Nature evolution could
A.
B.
C.
D.
E.
3.  There are potential risks in performing recombinant DNA research on plants
A.
B.
4.  Phenotype refers to the genetic makeup of an organism
A.
B.
5.  In Owl, digestible food gets separated from non-digestible (i.e, feathers, bones, teeth) in
A.
B.
C.
D.
E.
6.  On the Origin of Species was written
A.
B.
C.
D.
E.
7.  When Mendel used true-breeding white flowers and true-breeding purple flowers as the parental generation, he obtained which of the following results?
A.
B.
C.
D.
E.
8.  When the expression of a trait is influenced by the action of many genes, the pattern of inheritance is called
A.
B.
C.
D.
E.
9.  Which of the following is currently used to produce genetic “fingerprints” of people?
A.
B.
C.
D.
E.
10.  Which of the following techniques amplifies a specific region of DNA?
A.
B.
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D.
E.
11.  DNA microarray is a technique which allows comparison of the protein patterns between two treatment conditions
A.
B.
12.  Pleiotropy is when 1 gene encodes many traits
A.
B.
13.  DNA restriction enzymes are
A.
B.
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D.
E.
14.  Evolution can be defined as
A.
B.
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D.
E.
15.  When alleles move into different gametes, this demonstrates
A.
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D.
E.
16.  If you wish to develop a procedure for indentifying upregualated & downregulated mRNAs in a disorder what method would be most likely to be useful?
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B.
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D.
E.
17.  A population is BEST defined as
A.
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18.  In the chromatography lab, you read the _______ using different wavelengths
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B.
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D.
E.
19.  Thomas Malthus proposed
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20.  According to the Law of Segregation, in an organism with the genotype Aa
A.
B.
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D.
E.
21.  Transgenic animals are those which express DNA derived from another
A.
B.
22.  The polymerase chain reaction includes the following steps EXCEPT
A.
B.
C.
D.
E.
23.  If the allele for inflated pea pods (I) is dominant to the allele for constricted (i), the cross Ii x ii is expected to produce
A.
B.
C.
D.
E.
24.  In biotechnology research, DNA fragments created by restriction enzyme
A.
B.
25.  DNA microarray studies need not to be hypothesis-driven
A.
B.
26.  Experts study evolution using which of the following disciplines
A.
B.
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D.
E.
27.  If we cross two pea plants each heterozygous for yellow seed color genes, the expected ratio of yellow: green among the offspring will be
A.
B.
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D.
E.
28.  The genetic makeup of an individual is its
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B.
C.
D.
E.
29.  Peas were good organism of choice for Mendel Because
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B.
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D.
E.
30.  Darwin and _______ both developed an proposed the theory of evolution by natural selection
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31.  In Mendel’s experiments, if the gene for tall (T) plants was incompletely dominant over the genet for short (t) plants, what would be the result of crossing two Tt plants? (similar to the straight, curly, wavy hairs).
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B.
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D.
E.
32.  DNA microarray is a
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B.
C.
D.
E.
33.  The region of the chromosome occupied by a gene is called a ______,
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B.
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D.
E.
34.  In DNA microarray, a yellow color spot means
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B.
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D.
E.
35.  Which of the following discoveries led to the birth of the recombinant DNA technology
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B.
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D.
E.
36.  The gene pool is defined as
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D.
E.
37.  Fossils are rocks or sediments that
A.
B.
C.
D.
E.
38.  In humans there are 22 pairs of autosomal and one pair of sex chromosomes
A.
B.
39.  Wallace proposed that natural selection is a mechanism for evolution of species.
A.
B.
40.  Restriction enzymes are useful in recombinant DNA studies because they
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B.
C.
D.
E.
41.  A recessive gene is
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D.
E.
42.  What is the genotype of a dominant individual if some of its offspring show the recessive phenotype?
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D.
E.
43.  In the chromatography lab you isolated
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44.  Which of these conditions was NOT included in Darwin’s theory of natural selection?
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D.
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45.  DNA microarray study tells you
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B.
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46.  How many STRs are present in the following sequence ACGGACGGACGG
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47.  All of the following combinations are possible in the gametes of an organism that is AaBb EXCEPT
A.
B.
C.
D.
E.
48.  Which of the following is an example of recombinant DNA technology?
A.
B.
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D.
E.
49.  Plasmids are
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D.
E.
50.  Which of the following did you find in the owl pellets?
A.
B.
C.
D.
E.
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