MCA Science Prep Exam Questions &
Answers (Grade A+)
Ecology -
correct answer ✅The study of the interactions of living organisms
with one another and with their environment
Population -
correct answer ✅a group of individuals of the same species that
live in a specific geographical area at the same time
ecosystem -
correct answer ✅A community of organisms and their abiotic
environment
Biotic -
correct answer ✅All factors in an ecosystem that are alive
Abiotic -
correct answer ✅All factors in an ecosystem that are not alive
Food Chain -
correct answer ✅A diagram showing the pathway of energy
transfer through various stages as a result of the feeding patterns of
,MCA Science Prep Exam Questions &
Answers (Grade A+)
a series of organisms. Usually a diagram that shows energy flow
from one organism to another
Food Web -
correct answer ✅A diagram that shows the feeding relationships
between organisms in an ecosystem. The diagram shows
interconnected food chains
Energy Pyramid -
correct answer ✅A diagram that shows an ecosystem's transfer of
energy. A triangular diagram that shows loss of energy as food
passes through the ecosystem's food web.
Predator -
correct answer ✅Organism that cateches and eats other
organisms
Prey -
correct answer ✅Organism that is hunted and gets eaten
,MCA Science Prep Exam Questions &
Answers (Grade A+)
Parasitism -
correct answer ✅Symbiotic relationship in which one organism
benefits while the host organism is harmed.
Producer -
correct answer ✅Organism that makes it's own food through the
process of photosynthesis
Consumer -
correct answer ✅Organism that can not make their own food and
must eat others.
Decomposer -
correct answer ✅Organisms that get energy by breaking down
dead organisms
Primary Consumer -
correct answer ✅Organism that eats plants (Herbivore)
Secondary Consumer -
correct answer ✅Organism that feeds on primary consumers
, MCA Science Prep Exam Questions &
Answers (Grade A+)
Tertiary Consumer -
correct answer ✅Organism that feeds on secondary consumers.
Top of the food chain
Cell -
correct answer ✅Basic unit of life
Single Celled Organism -
correct answer ✅A single cell that carries out all of life's processes
(protist / bacteria)
Multi-Celled Organism -
correct answer ✅A many celled organism that has specialized cells
that have specific functions to carry out life processes (plants /
animals / fungi)
Plant cells -
correct answer ✅Have cell parts that include cell wall, chloroplast,
and central vacuole that animal cell do not
Answers (Grade A+)
Ecology -
correct answer ✅The study of the interactions of living organisms
with one another and with their environment
Population -
correct answer ✅a group of individuals of the same species that
live in a specific geographical area at the same time
ecosystem -
correct answer ✅A community of organisms and their abiotic
environment
Biotic -
correct answer ✅All factors in an ecosystem that are alive
Abiotic -
correct answer ✅All factors in an ecosystem that are not alive
Food Chain -
correct answer ✅A diagram showing the pathway of energy
transfer through various stages as a result of the feeding patterns of
,MCA Science Prep Exam Questions &
Answers (Grade A+)
a series of organisms. Usually a diagram that shows energy flow
from one organism to another
Food Web -
correct answer ✅A diagram that shows the feeding relationships
between organisms in an ecosystem. The diagram shows
interconnected food chains
Energy Pyramid -
correct answer ✅A diagram that shows an ecosystem's transfer of
energy. A triangular diagram that shows loss of energy as food
passes through the ecosystem's food web.
Predator -
correct answer ✅Organism that cateches and eats other
organisms
Prey -
correct answer ✅Organism that is hunted and gets eaten
,MCA Science Prep Exam Questions &
Answers (Grade A+)
Parasitism -
correct answer ✅Symbiotic relationship in which one organism
benefits while the host organism is harmed.
Producer -
correct answer ✅Organism that makes it's own food through the
process of photosynthesis
Consumer -
correct answer ✅Organism that can not make their own food and
must eat others.
Decomposer -
correct answer ✅Organisms that get energy by breaking down
dead organisms
Primary Consumer -
correct answer ✅Organism that eats plants (Herbivore)
Secondary Consumer -
correct answer ✅Organism that feeds on primary consumers
, MCA Science Prep Exam Questions &
Answers (Grade A+)
Tertiary Consumer -
correct answer ✅Organism that feeds on secondary consumers.
Top of the food chain
Cell -
correct answer ✅Basic unit of life
Single Celled Organism -
correct answer ✅A single cell that carries out all of life's processes
(protist / bacteria)
Multi-Celled Organism -
correct answer ✅A many celled organism that has specialized cells
that have specific functions to carry out life processes (plants /
animals / fungi)
Plant cells -
correct answer ✅Have cell parts that include cell wall, chloroplast,
and central vacuole that animal cell do not
