Biology
IPC
Biology II
IPC II
Biology III
100
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What is A
100
Tobacco use was once thought to be harmless. Today tobacco use is strongly discouraged. Which of these is most responsible for the change in attitude? ---Scientific studies linking tobacco use with certain food preferences ---Scientific studies linking tobacco use with an increase in some diseases ---Scientific studies showing the effect a virus has on tobacco plants
What is Scientific studies linking tobacco use with an increase in some diseases
100
Which organ system has to work much harder when a person moves from a town near sea level to a town on a tall mountain? ---Endocrine system ---Circulatory system ---Nervous system
What is Circulatory system
100
When a cookie is eaten, what part of the digestive process causes a mainly physical change? -- The action of enzymes -- Saliva breaking down starches -- Chewing and swallowing
What is Chewing and swallowing
100
A cardboard square was placed on a section of healthy green grass. After one week this section of grass looked yellow. Why did the grass change color? -- The guard cells stayed closed. -- The recessive genes were expressed. -- There was a change in chlorophyll activity.
What is there was a change in chlorophyll activity.
200
Which of these is most likely an example of a genetic trait? ---A broken tooth in a squirrel ---A split skin on an apple ---Green eye color in a cat
What is Green eye color in a cat
200
Potassium chloride (KCl) crystals are added to a beaker of water. Some of the crystals do not dissolve immediately. Which of these actions would cause the remaining crystals to dissolve most quickly? ---Removing some water ---Covering the beaker ---Stirring the water
What is Stirring the water
200
Which best explains why a person can get food poisoning from eating chicken that is not completely cooked? ---Heat is necessary to activate the stomach lining. ---Undercooked meat is high in protein. ---Heat is necessary to kill harmful bacteria.
What is Heat is necessary to kill harmful bacteria.
200
Which explains why water pipes can break in freezing weather? -- Melting ice absorbs heat energy from its surroundings. -- Water needs more space as a solid (ice) than as a liquid. -- Energy is exchanged quickly as water changes to ice
What is Water needs more space as a solid (ice) than as a liquid.
200
Scientists are examining muscle cells in a group of ducks. The scientists want to find the genetic differences between each duck in the group. What should the scientists compare to find out how each duck is different? -- The number of chromosomes -- The number of sections of cell -- The DNA sequences in a gene
What is The DNA sequences in a gene
300
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What is Sunflowers → rabbits → snakes → hawks
300
A golf ball on the ground was hit by a golf club. The ball traveled 25 meters in 0.0005 second (s). What was the average speed of the golf ball? ***v=d/t ***Speed=distance traveled/time ---- 1.25 meters per second ---- 50,000 meters per second ---- 0.0002 meter per second
What is 50,000 meters per second
300
Which of these can surround and destroy bacteria? -- White blood cells -- Intestinal villi -- Neurons
What is White blood cells
300
It shows carbohydrate information for an energy bar. TOTAL CARBOHYDRATES - 30 grams (g) STARCHES - 15 grams (g) DIETARY FIBER - 2 grams (g) SUGARS - 11 grams (g) What percentage of the total carbohydrate content is from starches? -- 37% -- 57% -- 77%
What is 57 %
300
One way that bacteria help the human body to work properly is to help with — -- digestive processes -- respiratory processes -- neurological processes
What is digestive processes
400
A mutation in DNA that involves a change in a nucleotide most likely results in a change in the structure of a — ---protein ---starch ---sugar
What is protein
400
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What is P waves are longitudinal waves, and S waves are transverse waves.
400
Scientists hope to develop a drug that will remove the tail from a virus. How would a drug that removes the tail from this virus be effective in treating diseases caused by this virus? -- The DNA of the virus could not get into the host cells. -- The nucleic acids inside the virus would be digested by enzymes. -- The virus would be able to make replacement proteins.
What is The DNA of the virus could not get into the host cells.
400
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What is 0.50 ampere
400
To maintain homeostasis, the body’s response to higher carbon dioxide (CO2) levels in the blood is — -- an increased breathing rate -- an increased muscle tone -- an increased temperature
What is an increased breathing rate
500
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What is Animals were the last organisms to evolve.
500
Which of the following equations is balanced correctly? ---1Zn + 1S8 → 1ZnS ---8Zn + 8S8 → 8ZnS ---8Zn + S8 → 8ZnS
What is 8Zn + S8 → 8ZnS
500
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What is Fertilizer concentration
500
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What is 2.93 kg
500
Which product of the cotton plant is made up of only one chemical element? -- Cellulose -- Oil -- Oxygen
What is Oxygen
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