5236 Biology Praxis Exam Questions With Correct Answers

5236 Biology Praxis Exam Questions With
Correct Answers

What is Interphase? - CORRECT ANSWER✔✔-- mainly growth of a cell occurs in
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this phase rather than cell division
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- most cells live here
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- except cancer
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What is Mitosis? - CORRECT ANSWER✔✔-active cell division
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What is the G1 phase (growth phase)? - CORRECT ANSWER✔✔-- Occurs within
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interphase
- most of cell's life
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- more organelles & proteins
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What is the S phase (synthesis)? - CORRECT ANSWER✔✔--DNA replication
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of 23 pairs (half from mom & half from dad)
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- results in 46 pairs
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What is the G2 Phase (Growth Phase 2)? - CORRECT ANSWER✔✔--more directly
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preparing for M | |




-make microtubules
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,What is the G0 phase? - CORRECT ANSWER✔✔--no more cell division
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- cells just grow
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- ex. neuron
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What is a Niche? - CORRECT ANSWER✔✔-An organism's particular role in an
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ecosystem, or how it makes its living.
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What is an Ecosystem? - CORRECT ANSWER✔✔-A biological community of
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interacting organisms and their physical environment.
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What is Abiotic? - CORRECT ANSWER✔✔-Non-living things
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What is Biotic? - CORRECT ANSWER✔✔-living things
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What is a Biome? - CORRECT ANSWER✔✔-A group of ecosystems with similar
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climates and organisms
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What is a Community? - CORRECT ANSWER✔✔-All the different populations that
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live together in an area
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What is a Species? - CORRECT ANSWER✔✔-A group of similar organisms that can
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breed and produce fertile offspring.
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, What is Binary fission? - CORRECT ANSWER✔✔-A form of asexual reproduction in
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|single-celled organisms by which one cell divides into two cells of the same size
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(usually in prokaryotes)| |




What is External fertilization? - CORRECT ANSWER✔✔-Fertilization that occurs
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outside the body of an organism. The sperms and eggs are released in an external
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environment. Usually requires a body of water
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Who is Antoni van Leeuwenhoek? - CORRECT ANSWER✔✔-He discovered both
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protists and bacteria. Advancing the field of microscopy through the discovery of
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microorganisms.


What is Commensalism? - CORRECT ANSWER✔✔-A relationship between two
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organisms in which one organism benefits and the other is unaffected
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What is Mimicry? - CORRECT ANSWER✔✔-The resemblance of one species to
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another species |




What is Mutualism? - CORRECT ANSWER✔✔-A relationship between two species
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in which both species benefit (symbiotic relationship)
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What is Parasitism? - CORRECT ANSWER✔✔-A relationship between two
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organisms of different species where one benefits and the other is harmed
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What are three essential elements for plant growth that are obtained primarily
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through the roots? - CORRECT ANSWER✔✔-- Magnesium
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- Nitrogen
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