NEWEST ACTUAL EXAM WITH COMPLETE
QUESTIONS AND DETAILED ANSWERS
GRADED A | BRAND NEW!!!
A botanist wants to determine if environmental temperature
affects root growth. In her expirement, she creates 4 rooms at
temperatures that vary by 5 degrees F. Each room gets 20
seedlings of the same species, which she grows on agar plates
for 60 days. Once a day, she measures the length of each
seedling's root. At the end of 60 days, she compares the length
of the roots with the room temperature . She finds the room
with the lowest temperature produced the longest roots.
Which of the following is best identified as a hypothesis?
a. the environmental temperature can affect the growth of a
plant's root.
b. plants need light to grow
c. a colder environment produces longer roots
d. plants need 60 days in order to grow their roots.
,a. the environmental temperature can affect the growth of a
plant's root.
A particular atom is uncharged and it has an electron
configuration of 1s22s2p53s2 and a mass number of 14. How
many protons does it have?
a. 14
b. 6
c. 8
d. 12
d. 12
Which of the following describes the term allele?
a. a base-pair substitution in DNA.
b. an inheritable variation of a gene
c. a grouping of various genes
,d. variations of complementary basepairs
b. an inheritable variation of a gene
Which of the following are possible side effects of obesity?
a. reduced exercise
b. joint and body pain
c. hypertension
d. diabetes
b. joint and body pain
c. hypertension
d. diabetes
Which of the following factors does not strengthen a scientific
argument?
, a. lack of bias
b. extensive use of qualitative research and data
c. able to be reproduced and repeated to others
d. withstands the test of time
b. extensive use of qualitative research and data
Which of the following are functions of the kidneys?
a. make urine and maintain water homeostasis
b. help maintain blood pressure
c. synthesize vitamin D
d. filter blood of salt, nutrients, water and waste.
a. make urine and maintain water homeostasis
b. help maintain blood pressure
d. filter blood of salt, nutrients, water and waste.