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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
.
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. Advantages and disadvantages of sexual reproduction?
The gene that shows up
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
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Breaking down and absorbing food
2. How do mammals reproduce?
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Sexually
Different shapes and sizes of their beaks; eating insects vs eating seeds
Flowering plants; sexual (female pistol and male stamen)
3. What is chlorophyll? and where is it stored?
4. What do white blood cells do?
Pumping blood to all the tissues of the body
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
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Fight disease
5. What are the different types of reproduction in plants?
Bone marrow
Sexual and asexual
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
6. What is the vacuole?
RNA translate creating proteins
Large storage container fluid
Different shapes and sizes of their beaks; eating insects vs eating seeds
How we adapt to our environment
7. Fungi
8. What is the circulatory system responsible for?
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Pumping blood to all the tissues of the body
Number of organelles
Mucus lining
9. System of classification?
It's green and holds chlorophil
Breaking down and absorbing food
The gene that shows up
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
10. What are the 7 major characteristics of life?
Everything in the membrane
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
The gene that shows up
A blood vessel that carries blood to the heart
11. Large intestines
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
removes water from undigested material - returning the water to the body
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
12. What are the three parts of the brain?
Transport hemoglobin - oxygen - food supply
Cerebrum - cerebellum - brain stem
removes water from undigested material - returning the water to the body
Both members benefit (mutual benefit)
13. What is mutualism?
Only mammals that lay eggs
Organisms live in close interaction with one another
The cell duplicates
Both members benefit (mutual benefit)
14. Secondary consumer
Lies beneath the cerebrum and controls balance; helps muscles work together
Eats the primary producer ex. snake
Prophase - metaphase - anaphase - and telephase
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
15. Algae
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
Oldest organism; asexual
Sexually
A sex cell - such as sperm or egg
16. What are the ribosomes?
Different shapes and sizes of their beaks; eating insects vs eating seeds
A gene that is hidden by a dominant gene
RNA translate creating proteins
Long tube that connects the mouth and the stomach
17. What are the factors affecting plant growth?
Eats the primary producer ex. snake
Selectively permeable - lets things in and out
A non symbiotic relationship in which a predator hunts prey
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
18. What is the cell wall?
Outside the cell membrane and hold structure
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
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Asexual and sexual
19. What is gamete?
A sex cell - such as sperm or egg
An organism's combination of genes for a trait
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Fight disease
20. What is mitosis?
21. Advantages to asexual reproduction
22. Esophages
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
Absorbs the nutrients
Long tube that connects the mouth and the stomach
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
23. What is cytoplasm?
Everything in the membrane
A testable explanation of a question or problem
Brain of the cell - DNA blueprint
Prophase - metaphase - anaphase - and telephase
24. What is adaptation?
Fight disease
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
Water; the most important factor in determining the distribution of plant life
How we adapt to our environment
25. What supports Darwin's theory of evolution?
RNA translate creating proteins
A model used to represent crosses between organisms
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
How we adapt to our environment
26. What are the stages of cell division?
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
Prophase - metaphase - anaphase - and telephase
A gene that is hidden by a dominant gene
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
27. What is a genotype?
28. brain stem
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
Absorbs the nutrients
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
Oldest organism; asexual
29. What are arteries?
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
Fight disease
The gene that shows up
A blood vessel that takes carries blood away from the heart
30. What is the nucleus?
Brain of the cell - DNA blueprint
They use the chemical chlorophyl to absorb solar energy - then store this energy using a chemical reaction that creates carbohydrates
Everything in the membrane
Sexual and asexual
31. What are the most important organelles in an animals cell?
A non symbiotic relationship in which a predator hunts prey
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane
A gene that is hidden by a dominant gene
Brain - spinal cord - and other nerves
32. Small intestines
beginning stage of digestion - coats the food
Absorbs the nutrients
Long tube that connects the mouth and the stomach
A blood vessel that takes carries blood away from the heart
33. What are veins?
Large storage container fluid
Can reproduce alone; dosen't have to find a mate - they can reproduce quickly
Lies beneath the cerebrum and controls balance; helps muscles work together
A blood vessel that carries blood to the heart
34. What is the digestive system responsible for?
RNA translate creating proteins
Bone marrow
Breaking down and absorbing food
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
35. What is response to stimuli?
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
How we react
Number of organelles
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
36. What is a phenotype?
What an organism looks like as a result of its genes
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
A model used to represent crosses between organisms
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
37. 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
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
Brain of the cell - DNA blueprint
38. What is metabolism?
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Way of using energy
A non symbiotic relationship in which a predator hunts prey
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
39. What makes up the nervous system?
Everything in the membrane
A sex cell - such as sperm or egg
Brain - spinal cord - and other nerves
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
40. What is a dominant gene?
Process by which a cell captures the energy in sunlight and uses it to make food
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
The gene that shows up
Flowering plants; sexual (female pistol and male stamen)
41. cerebellum
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
Lies beneath the cerebrum and controls balance; helps muscles work together
An organism's combination of genes for a trait
It's green and holds chlorophil
42. What is a symbolic relationship between organisms?
Organisms live in close interaction with one another
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
Eats the primary producer ex. snake
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
43. Tertiary consumer
Eats secondary consumer ex. hawk
Brain - spinal cord - and other nerves
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
A non symbiotic relationship in which a predator hunts prey
44. What is a punnett square?
A blood vessel that carries blood to the heart
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
What an organism looks like as a result of its genes
A model used to represent crosses between organisms
45. Krebb Cycle
Brain - spinal cord - and other nerves
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
Oldest organism; asexual
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
46. What do organisms need?
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
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
How we adapt to our environment
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
47. What is a hypothesis?
A testable explanation of a question or problem
Eats the producer ex. rabbit
Pumping blood to all the tissues of the body
The dividing of a cell's nucleus. The process that results in two cells identical to the parent cell
48. Mammals
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
How we react
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
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
49. What is heredity?
Not photo doesn't need light; asexual
Passing of traits from parents to their offspring
Bone marrow
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
50. Darwin's theory of natural selection summarized
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
Not photo doesn't need light; asexual
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
Lower part of the large intestines where feces is stored