Biology Semester Exam Quiz 1
First semester Biology exam review questions.
- 1.Explain why an increase in temperature can decrease the rate of an enzyme catalyzed reaction.
- 2.Explain specifically how the passive transport of hydrogen ions is important for the light dependent reactions of photosynthesis.
- 3.Explain why it is important for cells to have active transport mechanisms.
- 4.Explain the concept of sustainable development and give an example to illustrate.
- 5.Compare and contrast photosynthetic producers with chemosynthetic producers.
- 6.Explain what a keystone species is.
- 7.Explain the connection between photosynthesis and cellular respiration. (How do the two processes interact with each other?) Why is it necessary for both processes to occur?
- 8.Which of the following is an example of a nonliving thing?
- A.
Leaves
- B.
Water
- C.
Bacteria
- D.
Plant cell
- 9.Which of the following is not a characteristic of living things?
- A.
DNA
- B.
Respond to stimulus
- C.
Photosynthesis
- D.
Reproduce
- 10.
![< Carbon Atom. How many electrons fit into the second shell of a carbon atom? - ProProfs]( "< Carbon Atom. How many electrons fit into the second shell of a carbon atom?")
< Carbon Atom. How many electrons fit into the second shell of a carbon atom?- A.
2
- B.
8
- C.
6
- D.
4
- 11.A carbohydrate is used to...
- A.
Provide energy and help structrually
- B.
Store and transmit genetic information
- C.
Convert amino acids into protein
- D.
Break down glucose
- 12.Which of the following is an example of an abiotic factor?
- A.
Bacteria
- B.
Trees
- C.
Sunlight
- D.
Animals
- 13.A group of individuals that belong to the same species and live in the same area, is the definition of which ecological term?
- A.
Community
- B.
Species
- C.
Ecosystem
- D.
None of the above
- 14.Which type of consumer must aquire energy from other organisms by ingesting them in some way?
- A.
Heterotrophs
- B.
Herbivore
- C.
Decomposer
- D.
Parasite
- 15.Another word for a step in a food chain or web is...
- A.
Food chain
- B.
Topic level
- C.
Primary producer
- D.
Biosphere
- 16.Which of the following is not a cycle of matter?
- A.
Recycling in the biosphere
- B.
Nitrogen cycle
- C.
Carbon cycle
- D.
Chemosynthesis
- 17.Which three gases are responsible for the greenhouse effect?
- A.
Nitrogen, oxygen & water vapor
- B.
Methane, oxygen & carbon
- C.
Carbon dioxide, methane, & water vapor
- D.
Carbon dioxide, water vapor & nitrogen
- 18.A keystone species is...
- A.
The primary consumer
- B.
A carnivore
- C.
A single species in a community which has strong control over the structure of community
- D.
The most populated species in a community
- 19.Which of the following is not a main factor of population size?
- A.
Emigration
- B.
Birth rate
- C.
Death rate
- D.
Immigration
- E.
None of the above
- 20.The term "carrying capacity" refers to:
- A.
The amount of electrons an atom can hold in any given shell
- B.
The maximum number of individuals of a particular species that can function in an enviroment
- C.
The situation in which each generation of off spring is larger than the generation before it
- D.
None of the above
- 21.Genetic mutations which make seperate different species is
- A.
Altered habitats
- B.
Smog
- C.
Ecological footprint
- D.
Biodiversity
- 22.Prokaryotes usually have
- A.
A nucleus
- B.
Specialized organelles
- C.
Genetic material
- D.
Many cells
- 23.Which organelles are involved in energy conversion?
- A.
Mitochondria and chloroplasts
- B.
Mitochondria and ribosomes
- C.
Golgi apparatus and ribosome
- D.
Golgi apparatus and chloroplasts
- 24.Which organelle's function is to store materials like water, salts, proteins, and carbohydrates?
- A.
Vacuole
- B.
Centriole
- C.
Ribosome
- D.
Golgi apparatus
- 25.In general, why do atoms of elements tend to form chemical bonds?
- A.
Atoms of elements do not form chemical bonds
- B.
To fill up their inner shell with electrons, in order to become stable
- C.
To fill up their valence shell with electrons, in order to become stable
- D.
None of the above
Questions: 62 | Attempts: 4600 | Last updated: Jun 23, 2020
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Sample QuestionA Cell builds it's proteins from the Instructions encoded inits _________?
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-
Sample QuestionWhat is the function of a cell wall?
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