5236 Biology Praxis Exam Questions With
Correct Answers
What is Interphase? - CORRECT ANSWER✔✔-- mainly growth of a cell occurs in
| | | | | | | | | | | | |
this phase rather than cell division
| | | | | |
- most cells live here
| | | | |
- except cancer
| |
What is Mitosis? - CORRECT ANSWER✔✔-active cell division
| | | | | | |
What is the G1 phase (growth phase)? - CORRECT ANSWER✔✔-- Occurs within
| | | | | | | | | | | |
interphase
- most of cell's life
| | | | |
- more organelles & proteins
| | | |
What is the S phase (synthesis)? - CORRECT ANSWER✔✔--DNA replication
| | | | | | | | | |
of 23 pairs (half from mom & half from dad)
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- results in 46 pairs
| | | |
What is the G2 Phase (Growth Phase 2)? - CORRECT ANSWER✔✔--more directly
| | | | | | | | | | | |
preparing for M | |
-make microtubules
|
,What is the G0 phase? - CORRECT ANSWER✔✔--no more cell division
| | | | | | | | | | |
- cells just grow
| | | |
- ex. neuron
| |
What is a Niche? - CORRECT ANSWER✔✔-An organism's particular role in an
| | | | | | | | | | | |
ecosystem, or how it makes its living.
| | | | | |
What is an Ecosystem? - CORRECT ANSWER✔✔-A biological community of
| | | | | | | | | |
interacting organisms and their physical environment.
| | | | |
What is Abiotic? - CORRECT ANSWER✔✔-Non-living things
| | | | | |
What is Biotic? - CORRECT ANSWER✔✔-living things
| | | | | |
What is a Biome? - CORRECT ANSWER✔✔-A group of ecosystems with similar
| | | | | | | | | | | |
climates and organisms
| |
What is a Community? - CORRECT ANSWER✔✔-All the different populations that
| | | | | | | | | | |
live together in an area
| | | |
What is a Species? - CORRECT ANSWER✔✔-A group of similar organisms that can
| | | | | | | | | | | | |
breed and produce fertile offspring.
| | | |
, What is Binary fission? - CORRECT ANSWER✔✔-A form of asexual reproduction in
| | | | | | | | | | |
|single-celled organisms by which one cell divides into two cells of the same size
| | | | | | | | | | | | | |
(usually in prokaryotes)| |
What is External fertilization? - CORRECT ANSWER✔✔-Fertilization that occurs
| | | | | | | | |
outside the body of an organism. The sperms and eggs are released in an external
| | | | | | | | | | | | | |
environment. Usually requires a body of water
| | | | | | |
Who is Antoni van Leeuwenhoek? - CORRECT ANSWER✔✔-He discovered both
| | | | | | | | | |
protists and bacteria. Advancing the field of microscopy through the discovery of
| | | | | | | | | | | |
microorganisms.
What is Commensalism? - CORRECT ANSWER✔✔-A relationship between two
| | | | | | | | |
organisms in which one organism benefits and the other is unaffected
| | | | | | | | | |
What is Mimicry? - CORRECT ANSWER✔✔-The resemblance of one species to
| | | | | | | | | | |
another species |
What is Mutualism? - CORRECT ANSWER✔✔-A relationship between two species
| | | | | | | | | |
in which both species benefit (symbiotic relationship)
| | | | | |
What is Parasitism? - CORRECT ANSWER✔✔-A relationship between two
| | | | | | | | |
organisms of different species where one benefits and the other is harmed
| | | | | | | | | | |
What are three essential elements for plant growth that are obtained primarily
| | | | | | | | | | | |
through the roots? - CORRECT ANSWER✔✔-- Magnesium
| | | | | |
- Nitrogen
|
Correct Answers
What is Interphase? - CORRECT ANSWER✔✔-- mainly growth of a cell occurs in
| | | | | | | | | | | | |
this phase rather than cell division
| | | | | |
- most cells live here
| | | | |
- except cancer
| |
What is Mitosis? - CORRECT ANSWER✔✔-active cell division
| | | | | | |
What is the G1 phase (growth phase)? - CORRECT ANSWER✔✔-- Occurs within
| | | | | | | | | | | |
interphase
- most of cell's life
| | | | |
- more organelles & proteins
| | | |
What is the S phase (synthesis)? - CORRECT ANSWER✔✔--DNA replication
| | | | | | | | | |
of 23 pairs (half from mom & half from dad)
| | | | | | | | | |
- results in 46 pairs
| | | |
What is the G2 Phase (Growth Phase 2)? - CORRECT ANSWER✔✔--more directly
| | | | | | | | | | | |
preparing for M | |
-make microtubules
|
,What is the G0 phase? - CORRECT ANSWER✔✔--no more cell division
| | | | | | | | | | |
- cells just grow
| | | |
- ex. neuron
| |
What is a Niche? - CORRECT ANSWER✔✔-An organism's particular role in an
| | | | | | | | | | | |
ecosystem, or how it makes its living.
| | | | | |
What is an Ecosystem? - CORRECT ANSWER✔✔-A biological community of
| | | | | | | | | |
interacting organisms and their physical environment.
| | | | |
What is Abiotic? - CORRECT ANSWER✔✔-Non-living things
| | | | | |
What is Biotic? - CORRECT ANSWER✔✔-living things
| | | | | |
What is a Biome? - CORRECT ANSWER✔✔-A group of ecosystems with similar
| | | | | | | | | | | |
climates and organisms
| |
What is a Community? - CORRECT ANSWER✔✔-All the different populations that
| | | | | | | | | | |
live together in an area
| | | |
What is a Species? - CORRECT ANSWER✔✔-A group of similar organisms that can
| | | | | | | | | | | | |
breed and produce fertile offspring.
| | | |
, What is Binary fission? - CORRECT ANSWER✔✔-A form of asexual reproduction in
| | | | | | | | | | |
|single-celled organisms by which one cell divides into two cells of the same size
| | | | | | | | | | | | | |
(usually in prokaryotes)| |
What is External fertilization? - CORRECT ANSWER✔✔-Fertilization that occurs
| | | | | | | | |
outside the body of an organism. The sperms and eggs are released in an external
| | | | | | | | | | | | | |
environment. Usually requires a body of water
| | | | | | |
Who is Antoni van Leeuwenhoek? - CORRECT ANSWER✔✔-He discovered both
| | | | | | | | | |
protists and bacteria. Advancing the field of microscopy through the discovery of
| | | | | | | | | | | |
microorganisms.
What is Commensalism? - CORRECT ANSWER✔✔-A relationship between two
| | | | | | | | |
organisms in which one organism benefits and the other is unaffected
| | | | | | | | | |
What is Mimicry? - CORRECT ANSWER✔✔-The resemblance of one species to
| | | | | | | | | | |
another species |
What is Mutualism? - CORRECT ANSWER✔✔-A relationship between two species
| | | | | | | | | |
in which both species benefit (symbiotic relationship)
| | | | | |
What is Parasitism? - CORRECT ANSWER✔✔-A relationship between two
| | | | | | | | |
organisms of different species where one benefits and the other is harmed
| | | | | | | | | | |
What are three essential elements for plant growth that are obtained primarily
| | | | | | | | | | | |
through the roots? - CORRECT ANSWER✔✔-- Magnesium
| | | | | |
- Nitrogen
|