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Ultimate Science Quiz: Test Your Knowledge!

Challenge yourself with our comprehensive science quiz designed for all knowledge levels. With 63 carefully crafted questions, you'll cover a broad array of topics from biology and chemistry to physiology and anatomy.

  • 63 engaging science questions
  • Multiple choice format
  • Test your knowledge and learn new facts
63 Questions16 MinutesCreated by ExploringStar47
In a hypertonic solution. Water flows through aquaporins embedded in the plasma membrane of the cell. This type of transport is best known as which of the following?
Osmosis
Active Transport
Facilitated diffusion
Diffusion
Metabolism is known as which of the following types of respiration?
Cellular
Active transport
Facilliated Diffusion
Osmosis
What experimental results seem to only partly support a hypothesis, a researcher should consider which of the following?
Accounting for other researcher’s biases
Helping others
Look for others answers
Ask if others for ideas
Sunlight can damage epithelial cells of the skin, but limited exposure to ultraviolet radiation results in the beneficial production of which of the following?
Vitamin A
Vitamin B
Vitamin C
Vitamin D
Which of the following stem cells can differentiate into the largest number of different cell types?
Pluripotent
Active Transport
Osmosis
Cellular
Which of the following hormones increases the heart rate in response to stress
Epinephrine
Cortisol
Glucagon
Insulin
Which of the following hormones is responsible for regulating sodium reabsorption in the kidneys?
Aldosterone
Epinephrine
Cortisol
Glucagon
Which of the following statements describe how bile salts aid during digestion?
Decrease the size of starches to aid in digestion
Increase the size of starches to aid in digestion
None at all
Has absorption
Which of the following describes the function of a neuron?
Creates electrical impulses
Creates hormones
 
Which of the following body systems breaks down proteins into amino acids?
Digestive
Endocrine
Integumentary
Skeletal
The measurements indicated by the line across the center of the cell is best referred to as which of the following?
Diameter
Perimeter
Area
How many times stronger is the hydrogen-ion concentration of pH 4 solution as compared with a pH 9 solution?
100,000
10,000
1,000
100
Which of the following is a function of the circulatory system?
Transport hormones
Release hormones
 
Which of the following occurs during inhalation?
The diaphragm moves downward
The diaphragm moves upward
Which of the following types of cells are most similar to the cytotoxic t cells?
Natural killer cells
T cells
The process which gametes combine to form a zygote is called?
Fertilization
Ovulation
Which of the following pathways best the expected flow of blood from the human heart to an organ?
Pumped from the heart, enters arteries narrow to form arterioles, that deliver blood capillaries to the organs
Left to right
Which of the following cellular organelles releases the energy contained in food?
Mitochondria
Cytoskeleton
An efficient way to block protein synthesis is by inhibiting which of the following?
Ribosomes
Flagella (cillia)
Plasma Membrane
Which of the following is a function of the integumentary system?
Absorption of water
Reduction of water
Which of the following body systems is the primary system involved in preventing an infection when a cut in the skin allows bacteria to enter the body?
Immune system
Digestive system
Endocrine system
Reproductive system
A blood sample taken from a patient who has an infection can be expected to show which of the following?
Elevated white blood cells
Elevated red Blood cells
Which of the following properties of water explains its solvent abilities for certain substances?
Polarity of water molecules
Osmosis
In a plant in which fuzzy leaves are dominant over smooth leaves which of the following crosses will produce only offspring with smooth leaves?
Ff x ff
FF x FF
Which of the following organs filters excess solutes from the blood?
Kidney
Liver
In a double circulation system, which of the following describes a possible pathway of blood flow through the pulmonary circuit?
Oxygenated blood flows toward the heart from the lungs
Oxygenated blood flows away the heart from the lungs
A cell is placed in a hypertonic solution. Which of the following describes osmosis
There is a net flow of water out of the cell
There is a net flow of water in the cell
Which of the following substances is secreted by sweat glands in response to the breakdown of proteins and the formation of ammonia?
Water
Sun
Which of the following types of bond link base pair nucleotides within a double strand of DNA?
Hydrogen
Oxygen
What effect do different concentrations of solute have on the freezing point of water?
A student conducts an experiment in which he dissolves 1.0 grams each of several substances in 50 millimeters of water. He has 12 identical plastic cups of water. He places 1.0 grams of salt into three of the cups and 1.0 grams of baking soda into three of the cups. The three remaining cups contain only water. He places all of the cups in a freezer and records the temperature of the water in each cup every 15 minutes for 4 hours. Which of the following questions is the student most likely testing?
Which of the following is the order of a bone fracture healing?
Hematoma, fibrocartilage callus, bony callus, bone remodeling
Fibrocartilage callus, bony callus,Hematoma, bone remodeling
Which of the following organs release bicarbonate as a response to the release of secretion by the duodenum?
Pancreas
Liver
At the end of the experiment she finds that the IR treated plants are scorched, the UV treated plants have wilted and the white light treated plants are growing normally. Which of the following statements is most likely correct?
Wavelength of light is the only variable that has been changed between the groups
Wavelength of light doesn't change the variable between the groups
Which of the following structures in the male reproductive system secretes a fluid that nourishes and protects sperm?
Prostate gland
Bullbourethral gland
Scrotum
Testicle
Which of the following is the term for the gap between two nerve cells?
Synapse
Axon
A study found that two processes, process A and process b, to be correlated. Which of the following is true for these processes?
The study indicates that process A causes B.
The study indicates that process B causes A.
Which of the following types of membrane is associated with the skin?
Cutaneous
Stratified squamous
Which of the following organic molecules contain both an amine and caboxyl group?
Proteins
Oxygen
Carbon
Hydrogen
Which of the following parts of the central nervous system releases chemicals that regulate the pituitary gland?
Hypothalamus
Pituitary
Cerebrum
Brain Stem
Which of the following describes a process that occur along proximal tubules of a nephron?
Glucose,lactate, and amino acids are reabsorbed
Lactate, Glucose, and amino acids are reabsorbed
Which of the following types of cells suppress immune responses?
Macrophages
Regulatory T cells
Which of the following skin layers contains dead cells?
Stratum corneum
Stratum basale
At the end of the 56 weeks the body weight of each partipant was determined. Which of the following best indicates the question that was being investigated in the study?
Is liraglutide effective for weight lose?
Is liraglutide effective for weight gain?
Scientist rely on which of the following to provide critical feedback when revising scientific explanations?
Peer Review
Hypothesis
Which of the following has the smallest atomic radius?
C
A
B
D
Using the equation pH=-log[H+], a solution with a [H+]=10^-9 M has a pH of which of the following?
9
10
11
12
Histones are proteins associated with which of the following?
DNA
RNA
A doctor explains that a patient has pulled a muscle in his back. Which of the following muscles could have beem injured in the patient’s back?
Latissimus dorsi
External oblique abdominal
Scapula inferior angle
Trapezius
Which of the followi g is an efferent neuron that is responsible for releasing a neurotransmitter that stimulates a muscle cell to contract?
Motor neuron
Motor plasma
Emphysema caused by damage to alveoli from toxins and pollutants is likely to result in the body having difficulty performing which of the following?
Exchanging oxygen and carbon dioxide
Exchanging nitrogen
Ice cubes are placed in a glass of water to cool the water. The cooling effect of the ice cubes on the water is due to the heat being transferred in which of the following ways?
From the water to the ice by conduction
From the water to the ice by convection
From the water to the ice by radiation
 
In which of the following regions of the body are the tibia and fibula?
Crural
Femoral
Which of the following are the two major parts of the nervous system?
Peripheral and central
Brain and Spinal Cord
Which of the following occurs when the thyroid gland releases calcitonin?
Regulatory T Cell
Regulatory X Cell
Building of the bones occur
Which of the following is excreted by sweat glands in response to the breakdown of proteins and formation of ammonia
Urea
Aria
Which of the following is excreted by sweat glands in response to the breakdown of proteins and formation of ammonia
Multipotent (pluripotent)
Mutlilarent
Hormone that increases heart rate, related to stress
Cortisol
Parathyroid Hormone
A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence Which of the following preliminary steps should the scientist take before conducting a controlled experiment?
Review the literature to determine what other research is available on this topic to Distribute a letter of consent to human subjects who will be used in the research.
Read the literature to determine what other research is available on this topic to Distribute a letter of consent to human subjects who will be used in the research.
When the experiment result seems to only partly support a hypothesis a researcher should consider which of the following?
Exploring alternation explanation
Surrounding alternation explanation
Which of the following describes how RNA and DNA are used in Mitosis?
Leads to synthesis of proten that assist in cell replication
Doesn't Leads to synthesis of proten that assist in cell replication
Which of the following portions of neuron transmits neurotransmitters?
Axon
Protein
A blood sample taken from a patient who has an infection can be expected to show which of the following?
Increased white blood cells count
Increased red blood cells count
Which of the following pathways best represent the expected flow of blood from human heart to an organ?
Blood pumped from the heart first enters the arteries that then narrow to form arterioles from that deliver to capillaries of the organ
Blood pumped from the heart first enters the arteries that then narrow to form oriol from that deliver to capillaries of the organ
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