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Test your basic knowledge |
CSET Multiple Subject: Life Science
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Study First
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
.
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. How does blood circulate?
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
Sexually
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
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
2. What determines the types of organisms an ecosystem can support?
Water; the most important factor in determining the distribution of plant life
Everything in the membrane
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
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
3. Producer
gets energy directly from the sun ex. green plants - grass - trees
Mucus lining
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
Brain of the cell - DNA blueprint
4. What are the most important organelles in an animals cell?
The gene that shows up
Cell starts to split
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
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
5. What is mitosis?
6. What is the nucleus?
Absorbs the nutrients
Large storage container fluid
Vacuole - chloroplast - cell wall
Brain of the cell - DNA blueprint
7. What is the vacuole?
Eats secondary consumer ex. hawk
Large storage container fluid
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
How we adapt to our environment
8. What is the circulatory system responsible for?
Explains how evolution occurs - the process by which organisms best suited to the environment survive - reproduce - and pass their genes to the next generation - ex. snakes that have a specialized upper tooth to cut their way out of their shell; thus
Pumping blood to all the tissues of the body
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
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
9. Rectum
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Mucus lining
Lower part of the large intestines where feces is stored
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
10. cerebrum
11. What supports Darwin's theory of evolution?
A non symbiotic relationship in which a predator hunts prey
Process by which a cell captures the energy in sunlight and uses it to make food
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
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
12. Duck - billed platypus and the spiny anteater
Only mammals that lay eggs
Fight disease
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
Organisms live in close interaction with one another
13. Life cycle of a butterfly
A sex cell - such as sperm or egg
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
Mucus lining
Lower part of the large intestines where feces is stored
14. What is the chloroplast?
15. Large intestines
Powerhouses of the cell
Sexual and asexual
Bone marrow
removes water from undigested material - returning the water to the body
16. What are arteries?
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Sexual; cone barring seed that's fertilized
Cutting action complete now - 2 cells are created
A blood vessel that takes carries blood away from the heart
17. What is a phenotype?
Water; the most important factor in determining the distribution of plant life
Chemical plants use to absorb solar energy - it's stored in chloroplasts
What an organism looks like as a result of its genes
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
18. Gymnosperms
19. Mammals
Cutting action complete now - 2 cells are created
Everything in the membrane
Organisms live in close interaction with one another
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
20. What is metabolism?
Way of using energy
Chemical plants use to absorb solar energy - it's stored in chloroplasts
Mucus lining
How we react
21. What are the ribosomes?
Cerebrum - cerebellum - brain stem
RNA translate creating proteins
Way of using energy
Explains how evolution occurs - the process by which organisms best suited to the environment survive - reproduce - and pass their genes to the next generation - ex. snakes that have a specialized upper tooth to cut their way out of their shell; thus
22. What is heredity?
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
Passing of traits from parents to their offspring
A gene that is hidden by a dominant gene
23. What is adaptation?
What an organism looks like as a result of its genes
Selectively permeable - lets things in and out
How we adapt to our environment
Chemical plants use to absorb solar energy - it's stored in chloroplasts
24. What are the factors affecting plant growth?
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 blood vessel that carries blood to the heart
Cell starts to split
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
25. Krebb Cycle
How we adapt to our environment
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
gets energy directly from the sun ex. green plants - grass - trees
26. What is mitrochondria?
Outside the cell membrane and hold structure
Powerhouses of the cell
Eats the producer ex. rabbit
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
27. Advantages to asexual reproduction
28. Life cycle of a frog
29. What are the three parts of the brain?
Absorbs the nutrients
Eats the primary producer ex. snake
Cerebrum - cerebellum - brain stem
removes water from undigested material - returning the water to the body
30. What is cytoplasm?
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
Everything in the membrane
Absorbs the nutrients
gets energy directly from the sun ex. green plants - grass - trees
31. Algae
A testable explanation of a question or problem
Oldest organism; asexual
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Eats secondary consumer ex. hawk
32. What are animal cells comprised of?
Fight disease
A testable explanation of a question or problem
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
Number of organelles
33. What is parasitism?
34. Advantages and disadvantages of sexual reproduction?
How we react
beginning stage of digestion - coats the food
Cell starts to split
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
35. What is a scientific theory?
Body temperature (internal or external)
Outside the cell membrane and hold structure
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
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
36. What is the cell wall?
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
Absorbs the nutrients
Sexual and asexual
Outside the cell membrane and hold structure
37. What do red blood cells do?
Absorbs the nutrients
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
Transport hemoglobin - oxygen - food supply
38. Darwin's theory of natural selection summarized
Flowering plants; sexual (female pistol and male stamen)
Organisms tend to produce more offspring than can survive. ex. fish lay thousands of eggs - but only a few live to be adult fish. Individuals in a population have slight variations. ex. fish in a population differ slightly in color - length - fin siz
Powerhouses of the cell
Passing of traits from parents to their offspring
39. What are the different types of reproduction in plants?
Eats the primary producer ex. snake
Sexual and asexual
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Cerebrum - cerebellum - brain stem
40. Disadvantage to asexual reproduction
Fight disease
Outside the cell membrane and hold structure
Offspring are exact copies of the parent; lacks diversity - respond to changes in the environment; if a change kills one of the offspring - it will probably kill them all
Chemical plants use to absorb solar energy - it's stored in chloroplasts
41. System of classification?
Breaking down and absorbing food
Number of organelles
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
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
42. Finches
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
Different shapes and sizes of their beaks; eating insects vs eating seeds
Selectively permeable - lets things in and out
43. Ferns
Absorbs the nutrients
Sexual and asexual
Genetic material lines up spindile starts to grow
Large storage container fluid
44. DNA
Chemical plants use to absorb solar energy - it's stored in chloroplasts
Body temperature (internal or external)
Process by which a cell captures the energy in sunlight and uses it to make food
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
45. What makes up the nervous system?
Brain - spinal cord - and other nerves
The gene that shows up
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
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
46. Fungi
47. What is a recessive gene?
Largest part of the brain; controls the way we think - learn - remember - and feel. Controls muscles that let you move body parts - interprets messages from the sense organs. It's divided into two halves; left controls activities on the right side of
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
A gene that is hidden by a dominant gene
Not photo doesn't need light; asexual
48. What is a genotype?
49. What is the digestive system responsible for?
Only mammals that lay eggs
Mucus lining
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Breaking down and absorbing food
50. Where are red and white bloods formed?
The gene that shows up
Outside the cell membrane and hold structure
Bone marrow
Pumping blood to all the tissues of the body