Biology Practice Test (part 3)

50 Questions  I  By Nokee

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

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


to post comments.

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz