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Biology Practice Test (part 3)

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

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