What type of reaction is shown below?
Zn + CuCl2 → ZnCl2 +
Cu
A Single-displacement reaction.
B Decomposition
reaction.
C Double-displacement reaction.
D Synthesis reaction
...
During embryo development which of the following germ layers
differentiates to form the
muscles?
A Introderm.
B
Ectoderm.
C Endoderm.
D Mesoderm
...
Which of the following is NOT a homogeneous mixture?
A Salt
dissolved in water.
B Sandy water.
C Air.
D Brass.
...
Which of the following is the final vessel through which semen must
pass before being expelled from the
body?
A Ejaculatory
duct.
B Vas deferens.
C Penile urethra.
D Membranous urethra.
...
Question 5:
At the end of mitosis in a human body cell, how many
cells are produced and what is the number of
chromosomes in each
cell?
A 4 cells with 46 chromosomes.
B 2 cells with 46
chromosomes.
C 4 cells with 23 chromosomes.
D 2 cells with
23 chromosomes
...
Where are immune cells produced?
A Lymph nodes.
B
Thymus.
C Liver.
D Bone marrow
...
Which of the following is NOT a type of white blood cell?
A
Antibody.
B Phagocyte.
C Helper T-cell.
D Plasma cell.
...
Which of the following is NOT a function of pancreatic juice?
A
Increase acidity of stomach contents.
B Chemically digest
proteins.
C Neutralize the pH of chyme.
D Chemically digest carbohydrates.
...
Which of the following prefixes would likely be the most appropriate
for measuring the weight of a 2,500
g kitten?
A Nano.
B
Kilo.
C Giga.
D Pico.
...
Which of the following is NOT true about reproductive
hormones?
A LH (luteinizing hormone) stimulates ovulation and
production of testosterone.
B FSH (follicle-stimulating hormone)
stimulates maturation of sperm and ovum.
C LH (luteinizing
hormone) is produced by the posterior pituitary gland.
D FSH
(follicle-stimulating hormone) is produced by the anterior pituitary glan
...
Vibrio cholerae is a bacteria that causes the disease cholera.
Disease-causing agents such as V. cholerae is
referred to as a(n)
________.
A Commensal microorganism.
B Pathogen.
C
Vaccine.
D Interferon.
...
Which of the following is a decomposition reaction?
A CH4 + 2O2
→ CO2 +2H2O
B Zn + 2HCl → ZnCl2 + H2
C H2CO3 → H2O +
CO2
D 2Na + Cl2 → 2NaC
...
Due to water’s polarity, water is known as which of the
following?
A Universal solvent.
B A base.
C Universal
solute.
D An acid.
...
Which of the following groups of bones are part of the axial
skeleton?
A Arms and hands.
B Pectoral girdle.
C Rib
cage.
D Pelvic girdle.
...
A chemistry student is conducting an experiment in which she tests
the relationship between reactant
concentration and heat produced
by a reaction. In her experiment, she alters the reactant
concentration and
measures heat produced. Which of the following
is the independent variable in this experiment?
A Reactant
concentration.
B Product concentration.
C Amount of heat
produced by the reaction.
D Reaction rate
...
16:
Which of the following types of epithelial tissue secretes
hormones?
A Muscle Tissue.
B Glandular Epithelium.
C
Covering and Lining Epithelium.
D Connective Tissue.
...
In which of the following situations is a reasonable experiment
unable to be designed?
A If a hypothesis cannot be
formulated.
B If the data collected will only be qualitative in
nature.
C If an outcome cannot be measured in any form.
D If
the data collected will only be quantitative in nature.
...
Which of the following is NOT a function of the pituitary
gland?
A Produce hormones and send to target cells via the
bloodstream.
B Receive and interpret internal and external
stimuli from sensory nerves.
C Store hormones from the
hypothalamus and release as needed.
D Release trophic hormones to
trigger other glands to produce hormones.Which of the following is NOT
a function of the pituitary gland?
...
For an experiment to measure the volume of that can be exhaled by
individuals of varying ages,
which of the following would be the
MOST appropriate unit of measurement?
A Atm.
B Amu.
C
Liters.
D Grams.
...
Damage to the parathyroid would most likely affect which of the
following?
A Bone density.
B Stress levels.
C Secondary
sex characteristics.
D Circadian rhythms.
...
Which of the following correctly describes the difference between
compact bone and spongy bone?
A Spongy bone is lighter than
compact bone.
B Compact bone is located more interior than spongy
bone.
C Spongy bone has more osteons than compact bone.
D
Compact bone has trabeculae that support the bone marrow.
...
Oxygen is exchanged between blood and tissues at which of the
following areas?
A Arteries.
B Veins.
C
Capillaries.
D Ventricles.
...
Which of the following contains a single immature egg cell that is
released during ovulation?
A Ovaries.
B Follicles.
C
Oocytes.
D Fallopian tubes
...
In the chemical equation below, what are the products?
4NH3 +
5O2 -> 4NO + 6H20
A NO, H20
B NH3, O2
C NH3, O2, NO,
H20
D NH3, NO
...
Which of the following is the first step of the scientific
method?
A Construct a hypothesis.
B Analyze data.
C
Form a question.
D Make observations.
...
A scientist is interested determining whether folic acid
supplementation affects the development of heart
disease,
measured by changes in blood pressure. Study participants are divided
into two groups.
Individuals in one group take a folic acid
supplement each day, and those in the other group are given
a
placebo. Participants are instructed to eat and exercise as
normal. The scientist measures blood pressure at
the start of the
study and six months later. She finds that participants who took folic
acid supplements
lowered their blood pressure by 10 units more on
average than those on the placebo. In the above study,
exercise
represents which of the following variables?
A Controlled
variable.
B Dependent variable.
C Control group.
D
Independent variable.
...