Biology Practice Test (part 3)

50 Questions  I  By Nokee

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