Science TEAS
.
- 1.
Type response below
- 2.
Which reflects how close the multiple measurements are to each other?
- A.
Precision
- B.
Accuracy
Correct Answer
A. Precision -
- 3.
Which of these is water soluble?
- A.
Starches
- B.
Globular proteins
- C.
Lipids
- D.
Quito
Correct Answer
B. Globular proteins -
- 4.
From top to bottom, ionization energy ______ as atomic radii _________
- A.
Decreases;increases
- B.
Increases;increases
- C.
Increases;decreases
Correct Answer
A. Decreases;increases -
- 5.
What is the primary function of cilia lining the trachea and bronchii?
- A.
Secrete mucus, and propel trapped debris toward the pharynx
- B.
Transport of nutrients, blood, and gases
- C.
Absorption of nutrients
- D.
Exchange of gases between air and blood
Correct Answer
A. Secrete mucus, and propel trapped debris toward the pharynx -
- 6.
Which part of the brain regulates breathing, heart rate, and wakefulness?
- A.
Hypothalamus
- B.
Lungs
- C.
Brain stem
- D.
Occipital lobe
Correct Answer
C. Brain stem -
- 7.
Hemophilia results in
- A.
Apoptosis
- B.
Causes anemia
- C.
Causes disruption of cell membrane
- D.
Failure of blood to clot and absence of clotting factors
Correct Answer
D. Failure of blood to clot and absence of clotting factors -
- 8.
Cystic fibrosis is a homozygous recessive condition. A genetic counselor should advise concerned parents that if each of them has a parent who has cystic fibrosis, yet neither is affected, the probability of their child being affected is
- A.
0 percent
- B.
25 percent
- C.
50 percent
- D.
76 percent
Correct Answer
B. 25 percent -
- 9.
An atom of lithium has an atomic number of 3. It has 3 protons, 4 neutrons, and 3 electrons. What is the atomic mass number?
- A.
7
- B.
3
- C.
6
- D.
10
Correct Answer
A. 7 -
- 10.
What happens when the respiratory rate increases, and the patient hyperventilates?
- A.
Increased CO2 in the blood, blood PH decreases
- B.
Less CO2 in the blood, blood pH increases and becomes more basic. Causes hypoxia
- C.
Causes blood to become neutral
Correct Answer
B. Less CO2 in the blood, blood pH increases and becomes more basic. Causes hypoxia -
- 11.
How is hereditary genetic information organized in prokaryotes and eukaryotes?
- A.
In prokaryotes, in operons and eukaryotes, introns and extrons
- B.
In prokaryotes, in introns and eukaryotes, in extrons
- C.
In prokaryotes, in nucleus and eukaryotes, nucleoid
Correct Answer
A. In prokaryotes, in operons and eukaryotes, introns and extrons -
- 12.
Carbon takes up less space in which form?
- A.
Plasma
- B.
Solid
- C.
Liquid
- D.
Gas
Correct Answer
B. Solid -
- 13.
NH3 forms which kind of bond?
- A.
Ionic bond
- B.
Polar covalent
- C.
Nonpolar covalent
- D.
Vanderwaals
Correct Answer
B. Polar covalent -
- 14.
CH4 forms which kind of bond?
- A.
Nonpolar covalent
- B.
Ionic
- C.
Polar covalent
- D.
Vanderwaals
Correct Answer
A. Nonpolar covalent -
- 15.
RNA is a ____helix
- A.
Double
- B.
Single
- C.
Triple
- D.
Hex
Correct Answer
B. Single -
- 16.
Phospholipids have ______ tails and ____ heads
- A.
Hydrophilic, hydrophobic
- B.
Hydrophobic, hydrophilic
- C.
Water soluble, non water soluble
Correct Answer
B. Hydrophobic, hydrophilic -
- 17.
Phospholipids have ___ tails and ___ heads
- A.
Polar, ionic
- B.
Ionic, nonpolar
- C.
Polar, polar
- D.
Nonpolar, polar
Correct Answer
D. Nonpolar, polar -
- 18.
Which hormone is secreted by the small intestine (duodenum) in response to presence of chyme?
- A.
CCK- stimulates bile release from gall bladder
- B.
Secretin - as well is released-
- C.
Gastric lipase
- D.
Pepsin
Correct Answer
A. CCK- stimulates bile release from gall bladder -
- 19.
Chief cells secrete
- A.
HCL
- B.
Pepsin
- C.
Pepsinogen
- D.
Lipase
Correct Answer
C. Pepsinogen -
- 20.
Oxidation is a
- A.
Gain of Hydrogen atoms and loss of electrons
- B.
Loss of Oxygen, Gain of hydrogen
- C.
Gain of oxygen, loss of hydrogen and electrons
- D.
Loss of protons and oxygen atoms
Correct Answer
C. Gain of oxygen, loss of hydrogen and electrons -
- 21.
Reduction is
- A.
Electron acceptance to produce a positive ion
- B.
Loss of Oxygen, gain of hydrogen, gain of electrons
- C.
Gain of oxygen, gain of hydrogen and electrons
- D.
Electron acceptance to produce electrons
Correct Answer
B. Loss of Oxygen, gain of hydrogen, gain of electrons -
- 22.
PH 9 is a
- A.
Weak acid
- B.
Strong acid
- C.
Weak base
- D.
Neutral solution
Correct Answer
C. Weak base -
- 23.
Which of these is not endothermic?
- A.
Condensation
- B.
Evaporation
- C.
Baking bread
- D.
Frying an egg
Correct Answer
A. Condensation -
- 24.
Purines are
- A.
Single ringed
- B.
Double ringed
Correct Answer
B. Double ringed -
- 25.
Carbon forms
- A.
Ionic bonds
- B.
Covalent bonds
- C.
Nonpolar bonds
- D.
Vanderwaals bonds
Correct Answer
B. Covalent bonds -
- 26.
Which organelle contains its own DNA and carries out protein synthesis?
- A.
Chloroplast
- B.
Nucleus
- C.
Ribosome
- D.
Mitochondria
Correct Answer
A. Chloroplast -
- 27.
An electron microscope would be useful to observe
- A.
Structure of cellular organelles
- B.
Electron clouds
- C.
Bacteria
- D.
Viruses
Correct Answer
A. Structure of cellular organelles -
- 28.
Which of these describes liquids?
- A.
Closely packed molecules in a regular pattern with vibrational motion
- B.
Loosely packed molecules in a random pattern with constant rapid motion
- C.
Closely packed molecules in a random pattern with constant rapid motion
- D.
Widely separated, random pattern with constant motion
Correct Answer
C. Closely packed molecules in a random pattern with constant rapid motion -
- 29.
Why do cells undergo differentiation
- A.
Cells express alternate genetic information
- B.
Body cells encode different DNA
- C.
Because of different hormones
Correct Answer
A. Cells express alternate genetic information -
- 30.
The most inclusive taxonomic category smaller than class is
- A.
Phylum
- B.
Genus
- C.
Species
- D.
Order
Correct Answer
D. Order -
- 31.
Convert 81 ft.^2 to yd^2
- A.
9 yd^2
- B.
18yd^2
- C.
3yd^2
Correct Answer
A. 9 yd^2 -
- 32.
Photosynthesis occurs in ______ and oxidative respiration occurs_________
- A.
Many prokaryotes and eukaryotes; only in aerobic prokaryotes, eukaryotes
- B.
Few prokaryotes; many eukaryotes
- C.
Few prokaryotes and eukaryotes; in many prokaryotes
Correct Answer
A. Many prokaryotes and eukaryotes; only in aerobic prokaryotes, eukaryotes -
- 33.
In which phase of meiosis do homologous chromosomes separate and thus the number of chromosomes is reduced by half?
- A.
Telophase
- B.
Cytokinesis
- C.
Anaphase I
- D.
Anaphase II
Correct Answer
C. Anaphase I -
- 34.
In which phase does crossing over take place?
- A.
Metaphase
- B.
Prophase
- C.
Anaphase
- D.
Telophase
Correct Answer
B. Prophase -
- 35.
Genes are
- A.
DNA sequences found on chromosomes
- B.
RNA sequences found on DNA
- C.
DNA sequences found on alleles
- D.
Alleles found on chromosomes
Correct Answer
A. DNA sequences found on chromosomes -
- 36.
Metals are ___ that ___ electrons to make a ___ ion
- A.
Cations:gain:negative
- B.
Cations:gain:positive
- C.
Cations:lose:positive
- D.
Anions:gain:positive
Correct Answer
C. Cations:lose:positive -
- 37.
Fermentation produces
- A.
Ethanol
- B.
Glucose
- C.
Oxidation
- D.
Fungi
Correct Answer
A. Ethanol -
- 38.
What is the formula for alkanes?
- A.
CnH2n+2
- B.
CnH2n-2
- C.
CnH2n
- D.
Option 4
Correct Answer
A. CnH2n+2 -
- 39.
What is the formula for hexane?
- A.
C6H4
- B.
C7H2
- C.
C6H14
Correct Answer
C. C6H14 -
- 40.
Sublimation is a transition from
- A.
Liquid to solid
- B.
Liquid to gas
- C.
Solid to gas
- D.
Gas to solid
Correct Answer
C. Solid to gas -
- 41.
Which of these is responsible for balance?
- A.
Auditory nerve
- B.
Cranial nerve
- C.
Facial nerve
- D.
Abducens nerve
Correct Answer
A. Auditory nerve -
- 42.
Cellular respiration is
- A.
Catabolism
- B.
Anabolism
Correct Answer
A. Catabolism -
- 43.
Which wire has the greatest resistance?
- A.
1 mm thick
- B.
25 inches thick
- C.
15 mm thick
- D.
0.8 mm thick
Correct Answer
D. 0.8 mm thick -
- 44.
RNA is
- A.
Unstable in alkaline conditions
- B.
Stable under alkaline conditions
Correct Answer
A. Unstable in alkaline conditions -
- 45.
A ball hits the ground and bounces. As it rises back up,
- A.
Loses kinetic energy, gains potential energy
- B.
Gains kinetic energy, loses potential energy
Correct Answer
A. Loses kinetic energy, gains potential energy -
- 46.
DNA is
- A.
Unstable under alkaline conditions
- B.
Stable under alkaline conditions
- C.
Option 3
- D.
Option 4
Correct Answer
B. Stable under alkaline conditions -
- 47.
Which can cause a herniated disc?
- A.
Whiplash
- B.
Hyperextension
- C.
Hyperflexion
Correct Answer
A. Whiplash -
- 48.
A narrowing of a heart valve would cause
- A.
Irregular heartbeat
- B.
Hypotension
- C.
Metabolic alkalosis
- D.
Heart disease
Correct Answer
A. Irregular heartbeat -
- 49.
Which system controls body functions?
- A.
Nervous
- B.
Endocrine
- C.
Cirulatory
- D.
Respiratory
Correct Answer
B. Endocrine -
- 50.
Which deficiency can cause Beriberi?
- A.
Thiamine
- B.
Folic Acid
- C.
Retinol
- D.
Iron
Correct Answer
A. Thiamine -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Jun 23, 2015Quiz Created by
Greenypark
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