Test your basic knowledge |

CSET Multiple Subject: Life Science

Subjects : cset, 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. What is parasitism?

2. What happens during respiration?
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
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
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

3. Photosynthesis
Process by which a cell captures the energy in sunlight and uses it to make food
Genetic material lines up spindile starts to grow
A model used to represent crosses between organisms
How we react

4. What supports Darwin's theory of evolution?
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
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

5. What are the 5 steps in Photosynthesis?
Lies beneath the cerebrum and controls balance; helps muscles work together
What an organism looks like as a result of its genes
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
Way of using energy

6. What happens in prophase?
A blood vessel that carries blood to the heart
The cell duplicates
Mucus lining
Way of using energy

7. Fungi

8. Where are red and white bloods formed?
Absorbs the nutrients
Bone marrow
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

9. What are the ribosomes?
RNA translate creating proteins
A blood vessel that takes carries blood away from the heart
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
removes water from undigested material - returning the water to the body

10. Esophages
Long tube that connects the mouth and the stomach
Absorbs the nutrients
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
An organism's combination of genes for a trait

11. Tertiary consumer
Body temperature (internal or external)
Sexually
A non symbiotic relationship in which a predator hunts prey
Eats secondary consumer ex. hawk

12. What is descent with modification?
Flowering plants; sexual (female pistol and male stamen)
Powerhouses of the cell
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
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

13. What is chlorophyll? and where is it stored?

14. What is a hypothesis?
A testable explanation of a question or problem
Water; the most important factor in determining the distribution of plant life
Cell starts to split
A non symbiotic relationship in which a predator hunts prey

15. Gregor Mendel
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes
The cell duplicates
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Vacuole - chloroplast - cell wall

16. 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 secondary consumer ex. hawk
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
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce

17. What are veins?
A blood vessel that carries blood to the heart
Flowering plants; sexual (female pistol and male stamen)
Body temperature (internal or external)
Only mammals that lay eggs

18. What determines the types of organisms an ecosystem can support?
The gene that shows up
A blood vessel that carries blood to the heart
Different shapes and sizes of their beaks; eating insects vs eating seeds
Water; the most important factor in determining the distribution of plant life

19. What happens in metaphase?
Selectively permeable - lets things in and out
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
Vacuole - chloroplast - cell wall
Genetic material lines up spindile starts to grow

20. What is a scientific theory?
A sex cell - such as sperm or egg
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
RNA translate creating proteins
Passing of traits from parents to their offspring

21. Small intestines
Large storage container fluid
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
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Absorbs the nutrients

22. What is the cell membrane?
Selectively permeable - lets things in and out
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
Genetic material lines up spindile starts to grow

23. Algae
What an organism looks like as a result of its genes
Oldest organism; asexual
It's green and holds chlorophil
Not photo doesn't need light; asexual

24. Salivary glands
beginning stage of digestion - coats the food
Outside the cell membrane and hold structure
Water; the most important factor in determining the distribution of plant life
A blood vessel that takes carries blood away from the heart

25. What is a phenotype?
What an organism looks like as a result of its genes
Asexual and sexual
A blood vessel that carries blood to the heart
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

26. Disadvantage to asexual reproduction
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
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
A sex cell - such as sperm or egg
While cross breeding with pea plants - discovered that traits in organisms are due to paired factors; now called genes

27. What is a recessive gene?
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
A gene that is hidden by a dominant gene
A model used to represent crosses between organisms

28. Decomposer
The gene that shows up
Long tube that connects the mouth and the stomach
Fight disease
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer

29. Gymnosperms

30. What are the most important organelles in an animals cell?
gets energy directly from the sun ex. green plants - grass - trees
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
Cell starts to split
Nucleus - mitrochondria - ribosomes - cytoplasm - cell membrane

31. What is adaptation?
A habitat that provides food - water and a method of maintaining homeostasis and reproducing
How we adapt to our environment
A non symbiotic relationship in which a predator hunts prey
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

32. What is meiosis?
The process that results in sex cells. Each sex cell contains one - half the number of chromosomes in the parent cell
A blood vessel that takes carries blood away from the heart
King Philip came over for good soup - Kingdom - Phylum - class - order - family - genus - species
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

33. Rectum
Lower part of the large intestines where feces is stored
A model used to represent crosses between organisms
Deoxyribonucleic acid; this is where the genetic code of an organism is stored
Passing of traits from parents to their offspring

34. What are the different types of reproduction in plants?
breaks down dead organisms ex. fungi - bacteria - creates fertilizer for the producer
Sexual and asexual
RNA translate creating proteins
Mucus lining

35. What is a genotype?

36. What is gamete?
Powerhouses of the cell
Fight disease
Transport hemoglobin - oxygen - food supply
A sex cell - such as sperm or egg

37. Secondary consumer
A blood vessel that carries blood to the heart
Breaking down and absorbing food
Eats the primary producer ex. snake
Deoxyribonucleic acid; this is where the genetic code of an organism is stored

38. What is mutualism?
Sexually
Both members benefit (mutual benefit)
Everything in the 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

39. brain stem
Mucus lining
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
Eats the producer ex. rabbit
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

40. What are the 7 major characteristics of life?
Mucus lining
Homoestasis - organization - metabolism - growth - adaptation - response to stimuli - reproduction
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
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

41. Advantages and disadvantages of sexual reproduction?
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
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
Advantage - greater diversity among offspring Disadvantage - must find a mate to be able to reproduce
It's green and holds chlorophil

42. Life cycle of a frog

43. What is the chloroplast?

44. Krebb Cycle
A testable explanation of a question or problem
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Breaking down and absorbing food
Both members benefit (mutual benefit)

45. What are arteries?
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
A blood vessel that takes carries blood away from the heart
Bone marrow
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

46. What is the vacuole?
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
How we adapt to our environment
Selectively permeable - lets things in and out
Large storage container fluid

47. 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
Cutting action complete now - 2 cells are created
Prophase - metaphase - anaphase - and telephase
Passing of traits from parents to their offspring

48. 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
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
The cell duplicates

49. What are the three parts of the brain?
Cell starts to split
Cerebrum - cerebellum - brain stem
Sexual and asexual
Absorbs the nutrients

50. What is predation?
In plants - the process of storing energy through photosynthesis and later releasing it through respiration
Mucus lining
A non symbiotic relationship in which a predator hunts prey
Organisms live in close interaction with one another