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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 metabolism?
Way of using energy
A blood vessel that takes carries blood away from the heart
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
Powerhouses of the cell
2. Producer
Flowering plants; sexual (female pistol and male stamen)
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
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
gets energy directly from the sun ex. green plants - grass - trees
3. Ferns
Genetic material lines up spindile starts to grow
Vacuole - chloroplast - cell wall
Eats the producer ex. rabbit
Sexual and asexual
4. What is commensalism?
Only mammals that lay eggs
How we adapt to our environment
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
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
5. Large intestines
removes water from undigested material - returning the water to the body
Organisms live in close interaction with one another
Both members benefit (mutual benefit)
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
6. What is mitrochondria?
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
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
Powerhouses of the cell
7. What happens in metaphase?
Genetic material lines up spindile starts to grow
Everything in the membrane
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
8. Disadvantage to asexual reproduction
RNA translate creating proteins
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
removes water from undigested material - returning the water to the body
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
9. How does blood circulate?
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
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
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
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
10. Angiosperms
Sexual and asexual
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
Flowering plants; sexual (female pistol and male stamen)
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
11. What are the two ways of reproduction?
Brain - spinal cord - and other nerves
Asexual and sexual
An organism's combination of genes for a trait
How we adapt to our environment
12. Advantages and disadvantages of sexual reproduction?
Pumping blood to all the tissues of the body
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
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
Mucus lining
13. What are the 7 major characteristics of life?
Lies beneath the cerebrum and controls balance; helps muscles work together
Asexual and sexual
Breaking down and absorbing food
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
14. What supports Darwin's theory of evolution?
Flowering plants; sexual (female pistol and male stamen)
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
The cell duplicates
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
15. What is natural selection?
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
Eats the producer ex. rabbit
Passing of traits from parents to their offspring
Prophase - metaphase - anaphase - and telephase
16. What is the vacuole?
The gene that shows up
The cell duplicates
Breaking down and absorbing food
Large storage container fluid
17. What do white blood cells do?
Prophase - metaphase - anaphase - and telephase
What an organism looks like as a result of its genes
Fight disease
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
18. brain stem
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
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Lies beneath the cerebrum and controls balance; helps muscles work together
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
19. What is the digestive system responsible for?
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
Breaking down and absorbing food
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
Lies beneath the cerebrum and controls balance; helps muscles work together
20. Gregor Mendel
beginning stage of digestion - coats the food
Sexual and asexual
Eats the producer ex. rabbit
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
21. What is adaptation?
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
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
How we adapt to our environment
Sexual and asexual
22. Tertiary consumer
The cell duplicates
Eats secondary consumer ex. hawk
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
23. What is the chloroplast?
24. Decomposer
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
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
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
Cell starts to split
25. Photosynthesis
How we adapt to our environment
Process by which a cell captures the energy in sunlight and uses it to make food
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
Long tube that connects the mouth and the stomach
26. DNA
Cell starts to split
How we adapt to our environment
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
What an organism looks like as a result of its genes
27. What is a symbolic relationship between organisms?
Cell starts to split
Organisms live in close interaction with one another
Genetic material lines up spindile starts to grow
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
28. How do mammals reproduce?
Sexually
Cutting action complete now - 2 cells are created
Water; the most important factor in determining the distribution of plant life
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
29. Rectum
Large storage container fluid
An organism's combination of genes for a trait
Mucus lining
Lower part of the large intestines where feces is stored
30. What is a scientific theory?
Transport hemoglobin - oxygen - food supply
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
Oldest organism; asexual
Sexually
31. What is response to stimuli?
How we react
Large storage container fluid
removes water from undigested material - returning the water to the body
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
32. What is a phenotype?
Water; the most important factor in determining the distribution of plant life
What an organism looks like as a result of its genes
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
33. What is a dominant gene?
The gene that shows up
beginning stage of digestion - coats the food
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Cell starts to split
34. What is the cell membrane?
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
The gene that shows up
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
Selectively permeable - lets things in and out
35. What are the three parts of the brain?
Cerebrum - cerebellum - brain stem
A non symbiotic relationship in which a predator hunts prey
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
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
36. Advantages to asexual reproduction
37. Duck - billed platypus and the spiny anteater
Asexual and sexual
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
beginning stage of digestion - coats the food
Only mammals that lay eggs
38. What makes up the nervous system?
Brain - spinal cord - and other nerves
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
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
39. Salivary glands
Cutting action complete now - 2 cells are created
Only mammals that lay eggs
Vacuole - chloroplast - cell wall
beginning stage of digestion - coats the food
40. What are veins?
Process by which a cell captures the energy in sunlight and uses it to make food
A blood vessel that carries blood to the heart
Only mammals that lay eggs
Sexually
41. What is the nucleus?
Vacuole - chloroplast - cell wall
Brain of the cell - DNA blueprint
Eats the primary producer ex. snake
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
42. What are the stages of cell division?
Vacuole - chloroplast - cell wall
Prophase - metaphase - anaphase - and telephase
The cell duplicates
Flowering plants; sexual (female pistol and male stamen)
43. What are animal cells comprised of?
Number of organelles
Lies beneath the cerebrum and controls balance; helps muscles work together
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
Absorbs the nutrients
44. What is a genotype?
45. What happens during respiration?
Cell starts to split
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
A gene that is hidden by a dominant gene
Sexual; cone barring seed that's fertilized
46. Krebb Cycle
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Brain of the cell - DNA blueprint
Brain - spinal cord - and other nerves
Only mammals that lay eggs
47. What is gamete?
Mucus lining
A sex cell - such as sperm or egg
Powerhouses of the cell
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
48. What do organisms need?
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
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
removes water from undigested material - returning the water to the body
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
49. Esophages
How we adapt to our environment
Long tube that connects the mouth and the stomach
It's green and holds chlorophil
gets energy directly from the sun ex. green plants - grass - trees
50. Gymnosperms