Bio Semester II Review (2 Of 3)

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| By Justin Lovrien

Justin Lovrien

Community Contributor

Quizzes Created: 22 | Total Attempts: 6,598

Questions: 10 | Attempts: 354 | Updated: Mar 16, 2023

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Questions and Answers

1.

Which part of the graph are you returning home?
- A.
  
  A
- B.
  
  B
- C.
  
  C
Correct Answer
B. B

Explanation
Line B is going down so it shows a reverse direction, which would be returning home.

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2.

Which of the following display amniotic eggs?
- A.
  
  Amphibian, crocodiles, birds
- B.
  
  Ray-finned fis, amphibians, birds
- C.
  
  Rabbits and birds
- D.
  
  Amphibians, primates
Correct Answer
C. Rabbits and birds

Explanation
The correct answer is "rabbits and birds." Both rabbits and birds are animals that lay amniotic eggs. Amniotic eggs are characteristic of reptiles, birds, and some mammals, including rabbits. These eggs have a protective amniotic membrane that surrounds the developing embryo, providing it with nutrients and protection. Amphibians do not lay amniotic eggs, as their eggs lack this protective membrane. Primates, on the other hand, give birth to live young and do not lay eggs.

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3.

According to the cladogram, which is the most ancestoral characteristic?
- A.
  
  Vertebrae
- B.
  
  Bony skeleton
- C.
  
  Amniotic egg
- D.
  
  Egg with shell
Correct Answer
A. Vertebrae

Explanation
The most ancestral characteristic based on the cladogram is vertebrae. This means that having a backbone is the oldest and most primitive trait among the options given. The cladogram suggests that all the other characteristics (bony skeleton, amniotic egg, egg with shell) evolved after the development of vertebrae.

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4.

According to this graph, the independent variable is...
- A.
  
  Temperature in celcius
- B.
  
  Rate of Photosynthesis
- C.
  
  10, 20, 30, etc
- D.
  
  0 - 1000
Correct Answer
A. Temperature in celcius

Explanation
The independent variable in this graph is temperature in Celsius. This is because temperature is being manipulated or changed by the researcher to see how it affects the rate of photosynthesis. The other options given, such as "Rate of Photosynthesis" and "10, 20, 30, etc" are not the independent variable because they are the dependent variable and the values of the independent variable, respectively. The range of 0 - 1000 is just the range of values for the independent variable, but it does not define what the independent variable is.

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5.

According to this graph, the ideal temperature for photosynthesis is ....
- A.
  
  10
- B.
  
  20
- C.
  
  30
- D.
  
  40
- E.
  
  50
Correct Answer
C. 30

Explanation
Based on the graph, the highest point on the curve occurs at 30 degrees. This indicates that photosynthesis is most efficient at this temperature. As the temperature increases beyond 30 degrees, the rate of photosynthesis starts to decrease. Therefore, 30 degrees is considered the ideal temperature for photosynthesis based on the information provided by the graph.

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6.

Antibiotics are useful in fighting which type of diseases?
- A.
  
  Communicable diseases
- B.
  
  Viral diseases
- C.
  
  Bacterial diseases
- D.
  
  Genetic diseases
Correct Answer
C. Bacterial diseases

Explanation
Antibiotics are effective in fighting bacterial diseases. Bacterial diseases are caused by harmful bacteria that invade the body and multiply, leading to various infections. Antibiotics work by either killing the bacteria or inhibiting their growth, allowing the body's immune system to effectively eliminate the infection. However, antibiotics are not effective against viral diseases, genetic diseases, or non-communicable diseases. Therefore, the correct answer is bacterial diseases.

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7.

Cellular Respiration releases
- A.
  
  Oxygen, carbon dioxide
- B.
  
  Glucose, water
- C.
  
  Water, carbon dioxide
- D.
  
  Water, oxygen
Correct Answer
C. Water, carbon dioxide

Explanation
During cellular respiration, glucose is broken down in the presence of oxygen to produce energy in the form of ATP. As a result of this process, water and carbon dioxide are released as waste products. Oxygen is used in the process to oxidize glucose, while carbon dioxide is produced as a byproduct of the breakdown of glucose. Therefore, the correct answer is water, carbon dioxide.

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8.

Two peas are crossed and they produce 117 green peas and 271 yellow peas. What percentage of the peas were yellow?
- A.
  
  30
- B.
  
  43
- C.
  
  70
- D.
  
  2.3
Correct Answer
C. 70

Explanation
Out of a total of 388 peas produced (117 green + 271 yellow), the number of yellow peas is 271. To find the percentage, divide the number of yellow peas by the total number of peas and multiply by 100. Therefore, (271/388) * 100 = 69.8%, which can be rounded to 70%.

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9.

A cell has a nucleus, and cell wall and is heterotrophic. It is likely a(n)...
- A.
  
  Animal
- B.
  
  Plant
- C.
  
  Fungi
- D.
  
  Archea
- E.
  
  Eubacteria
Correct Answer
C. Fungi

Explanation
The given characteristics of having a nucleus, cell wall, and being heterotrophic are all traits commonly associated with fungi. Fungi are eukaryotic organisms that have a distinct nucleus and a cell wall made of chitin. They are heterotrophic, meaning they obtain nutrients by absorbing organic matter from their environment. Therefore, based on these characteristics, it is likely that the cell described in the question is a fungi.

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10.

Which of the following is a key idea of modern evolutionary thought?
- A.
  
  Individual genetic variation within a population
- B.
  
  Inheritance of acquired traits
- C.
  
  Rapid, directional change in a generation
- D.
  
  Young Earth
Correct Answer
A. Individual genetic variation within a population

Explanation
The key idea of modern evolutionary thought is that there is individual genetic variation within a population. This means that individuals within a population have different genetic traits, which can lead to differences in their survival and reproductive success. This variation is important because it provides the raw material for natural selection to act upon, allowing for the adaptation and evolution of species over time.

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