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Test your basic knowledge |
CSET Multiple Subject: Life Science
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Subjects
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cset
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science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is commensalism?
Powerhouses of the cell
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
2. Rectum
Outside the cell membrane and hold structure
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
Lower part of the large intestines where feces is stored
Eats the primary producer ex. snake
3. What is the chloroplast?
4. What happens in prophase?
The cell duplicates
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Fight disease
A testable explanation of a question or problem
5. Fungi
6. What is mitrochondria?
Way of using energy
Powerhouses of the cell
Eats secondary consumer ex. hawk
Bone marrow
7. What are arteries?
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity
Oldest organism; asexual
A blood vessel that takes carries blood away from the heart
A testable explanation of a question or problem
8. What is adaptation?
How we adapt to our environment
A blood vessel that carries blood to the heart
Cutting action complete now - 2 cells are created
Brain of the cell - DNA blueprint
9. What is chlorophyll? and where is it stored?
10. What is mitosis?
11. What are the 7 major characteristics of life?
Powerhouses of the cell
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Gravity - a plant seed is planted in the soil (total darkness) but because of geotropism (response to gravity) the stem goes upwards and the roots downward Light - phototropism (responding to light) Stress - an external factor (frost - stepped on
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature
12. Stomach
Complete metamorphosis - it's an amphbian (double life) Stage 1: egg hatches Stage 2: tadpole (looks like a fish) has a tail and no legs; breathes through gills (aquatic) Stage 3: grows legs - loses its gills and tails; starts breathing through nost
Mucus lining
Bone marrow
Pumping blood to all the tissues of the body
13. Large intestines
gets energy directly from the sun ex. green plants - grass - trees
The right atrium receives blood from the rest of the body - The blood moves into the right ventricle - The right ventricle pumps the blood to the lungs - In the lungs - the blood is filled with oxygen and carbon dioxide leaves the the blood and is ex
The theory that more recent species of organisms are changed descendants of earlier species; present organisms are related to past organisms; basically says that evolution occurs in nature
removes water from undigested material - returning the water to the body
14. What is the digestive system responsible for?
Fight disease
Breaking down and absorbing food
Chemical plants use to absorb solar energy - it's stored in chloroplasts
One member benifits and one is harmed ex. tape worm living in an animal's intestines - the animal is harmed - but the tape worm benifit because it gets food in the intestines
15. What are the factors affecting plant growth?
An organism's combination of genes for a trait
Gravity - a plant seed is planted in the soil (total darkness) but because of geotropism (response to gravity) the stem goes upwards and the roots downward Light - phototropism (responding to light) Stress - an external factor (frost - stepped on
Sexual; cone barring seed that's fertilized
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
16. Finches
How we react
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Different shapes and sizes of their beaks; eating insects vs eating seeds
Eats the producer ex. rabbit
17. What is a punnett square?
A model used to represent crosses between organisms
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
Absorbs the nutrients
18. Where are red and white bloods formed?
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Bone marrow
Lies beneath the cerebrum and controls balance; helps muscles work together
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
19. What is homeostasis?
Body temperature (internal or external)
RNA translate creating proteins
A gene that is hidden by a dominant gene
Outside the cell membrane and hold structure
20. Ferns
Different shapes and sizes of their beaks; eating insects vs eating seeds
Large storage container fluid
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Sexual and asexual
21. What is heredity?
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Passing of traits from parents to their offspring
Process by which a cell captures the energy in sunlight and uses it to make food
22. What is a scientific theory?
Selectively permeable - lets things in and out
An explanation that has undergone many tests; many different kinds of evidence dupport a scientific theory; no evidence can contradict - or disagree with - the explanation
Body temperature (internal or external)
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
23. What do organisms need?
Only mammals that lay eggs
Gravity - a plant seed is planted in the soil (total darkness) but because of geotropism (response to gravity) the stem goes upwards and the roots downward Light - phototropism (responding to light) Stress - an external factor (frost - stepped on
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
Cerebrum - cerebellum - brain stem
24. What is the nucleus?
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
A testable explanation of a question or problem
Brain of the cell - DNA blueprint
Eats secondary consumer ex. hawk
25. Advantages to asexual reproduction
26. What are the different types of reproduction in plants?
Both members benefit (mutual benefit)
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
Sexual and asexual
Chemical plants use to absorb solar energy - it's stored in chloroplasts
27. What are the most important organelles in an animals cell?
Organisms live in close interaction with one another
gets energy directly from the sun ex. green plants - grass - trees
Cutting action complete now - 2 cells are created
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
28. What do red blood cells do?
Transport hemoglobin - oxygen - food supply
Gravity - a plant seed is planted in the soil (total darkness) but because of geotropism (response to gravity) the stem goes upwards and the roots downward Light - phototropism (responding to light) Stress - an external factor (frost - stepped on
Long tube that connects the mouth and the stomach
Sexual and asexual
29. Life cycle of a butterfly
Everything in the membrane
Only mammals that lay eggs
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity
Complete metamorphosis - changes in form during development in which earlier stages do not look like the adult. Stage 1: butterfly egg hatches into a caterpillar Stage 2: caterpillar feeds on leaves - molting several times as it grows Stage 3: when a
30. Salivary glands
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
1) Transporting water and nutrients 2) Light energy from the sun 3) Carbon dioxide from the air 4) Back to the transport system 5) From plant food to your table
beginning stage of digestion - coats the food
Sexual and asexual
31. Life cycle of a frog
32. What makes up the nervous system?
Fight disease
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Brain - spinal cord - and other nerves
Body temperature (internal or external)
33. What makes up a plant cell that's diffenerent than an animal cell?
Vacuole - chloroplast - cell wall
What an organism looks like as a result of its genes
Animals and plants take in oxygen and use it to reverse the chemical reaction to photosynthesis - breaking down carbohydrates and releasing energy stored in their chemical bonds
Both members benefit (mutual benefit)
34. What supports Darwin's theory of evolution?
Asexual and sexual
How we react
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
Everything in the membrane
35. Duck - billed platypus and the spiny anteater
Gravity - a plant seed is planted in the soil (total darkness) but because of geotropism (response to gravity) the stem goes upwards and the roots downward Light - phototropism (responding to light) Stress - an external factor (frost - stepped on
Cerebrum - cerebellum - brain stem
Only mammals that lay eggs
Passing of traits from parents to their offspring
36. What are animal cells comprised of?
Body temperature (internal or external)
1) Transporting water and nutrients 2) Light energy from the sun 3) Carbon dioxide from the air 4) Back to the transport system 5) From plant food to your table
Selectively permeable - lets things in and out
Number of organelles
37. Algae
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
An explanation that has undergone many tests; many different kinds of evidence dupport a scientific theory; no evidence can contradict - or disagree with - the explanation
Named for mammary glands; milk producing - have hair covering most of their bodies; helps keep heat in - have lungs - warm - blooded; body temperature that stays the same - young develops inside their mother (except animal species kangaroos and oposs
Oldest organism; asexual
38. What do white blood cells do?
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Fight disease
Cutting action complete now - 2 cells are created
It's green and holds chlorophil
39. Gymnosperms
40. What is mutualism?
Only mammals that lay eggs
Sexually
removes water from undigested material - returning the water to the body
Both members benefit (mutual benefit)
41. What is the cell membrane?
Selectively permeable - lets things in and out
Cutting action complete now - 2 cells are created
One member benifits and one is harmed ex. tape worm living in an animal's intestines - the animal is harmed - but the tape worm benifit because it gets food in the intestines
Eats the producer ex. rabbit
42. What is a phenotype?
What an organism looks like as a result of its genes
One member benifits - the other is unaffected ex. fish on whales - the fish are eating scraps that the whale leaves behind and is getting the benifit of transportation
Number of organelles
gets energy directly from the sun ex. green plants - grass - trees
43. What is the vacuole?
Large storage container fluid
Only mammals that lay eggs
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
Eats secondary consumer ex. hawk
44. What are the 5 steps in Photosynthesis?
Bone marrow
1) Transporting water and nutrients 2) Light energy from the sun 3) Carbon dioxide from the air 4) Back to the transport system 5) From plant food to your table
Only mammals that lay eggs
Sexual and asexual
45. brain stem
Eats secondary consumer ex. hawk
Way of using energy
Lies under the cerebellum; connects the brain and spinal cord. Controls the automatic activities of the body (heart rate - gland secretions - digestion - resptration - and circulation
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
46. What happens in metaphase?
Genetic material lines up spindile starts to grow
An organism's combination of genes for a trait
The cell duplicates
How we react
47. Krebb Cycle
Lower part of the large intestines where feces is stored
The movement of water through a cell membrane; osmosis causes salt to move across a permeable membrane from an area of greater salinity to an area of lesser salinity
Organisms live in close interaction with one another
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
48. What is parasitism?
49. What are the two ways of reproduction?
Organisms live in close interaction with one another
Different shapes and sizes of their beaks; eating insects vs eating seeds
Asexual and sexual
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
50. Small intestines
Fossil records - embryos of some kinds of organisms go through similar stages of development - vestigal structures (a body part that appears to be useless to an organism) ex. snakes and whales have the remnants of leg bones and pelvic bones. Homologu
Named for mammary glands; milk producing - have hair covering most of their bodies; helps keep heat in - have lungs - warm - blooded; body temperature that stays the same - young develops inside their mother (except animal species kangaroos and oposs
Absorbs the nutrients
The right atrium receives blood from the rest of the body - The blood moves into the right ventricle - The right ventricle pumps the blood to the lungs - In the lungs - the blood is filled with oxygen and carbon dioxide leaves the the blood and is ex