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Biology Practice Test (part 3)

50 Questions  I  By Nokee
Biology Practice Test (part 3)

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