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Baumann's Big Science Questions
Test Description: Review of the Year So Far...
Instructions: Answer all questions to get your test result.
1) Cells are the least complex level of organization, and cells come from
A
water
B
germs
C
spontaneous generation (just appear)
D
pre-existing cells, by cell division
2) Least complex level of organization in humans
A
cell
B
tissue
C
organ
D
organ system
3) Xylem is a tissue in plants that
A
transport food (glucose sugar)
B
absorbs carbon dioxide
C
releases oxygen
D
transports water
4) Main function of respiratory system
A
excretes waste
B
movement
C
produces oxygen
D
exchanges oxygen and carbon dioxide
5) Vacuoles in a cell
A
photosynthesize
B
control reproduction
C
store water, food and waste
D
release energy from food
6) structure means part, function means
A
color
B
reproduction
C
job
D
type or kind
7) Uses light energy to make food for a plant (chemical change)
A
organ system
B
pre-existing cell
C
vacuole
D
chloroplast
8) Nutrients (food), waste and other materials are all transported through the body by the
A
circulatory (cardiovascular) system
B
respiratory system
C
digestive system
D
excretory system
9) All cells use energy and excrete waste. Mitochondria use oxygen and excrete CO2 during
A
the chemical change of photosynthesis: light/radiant energy into chemical energy/food
B
a physical change that releases body waste making cells smaller
C
a chemical change: chemical energy becomes thermal and mechanical energy
D
a chemical change: thermal energy becomes nuclear and radiant/light energy
10) Shivering warms the body. Sweat (perspiration)
A
warms the body's temperature
B
causes heavy breathing
C
increases your heart rate
D
cools the body's temperature
11) Which results in offspring different from parent cells (not an identical clone)
A
hydra budding asexually
B
any cell splitting/dividing
C
a sperm cell fertilizing an egg cell
D
skin cells dividing to repair a cut in skin
12) Heredity is
A
light energy being transformed to chemical energy
B
genetic material (DNA) passed from generation to generation
C
using energy and excreting wastes
D
the storage of food, water and waste
13) Chromosomes are sometimes x-shaped, with stripes called genes that
A
use energy and excrete wastes
B
control body temperature
C
transform chemical energy to mechanical and thermal energy
D
determine inherited traits
14) Primary succession is ecological succession that begins in a place that ________________________.
A
already has simple plants such as moss
B
does not have rock
C
already has soil
D
does not have soil
15) Which of the following is an example of ecological succession?
A
secondary succession
B
primary succession
C
gradual change from a pioneer community to a climax community
D
all of these are correct
16) What are two kinds of ecological succession?
A
Pioneer species and pioneer community
B
Biotic and Abiotic
C
Climax community and pioneer community
D
Primary and Secondary
17) How much energy is transferred up one trophic level of the energy pyramid.
A
100%
B
10%
C
90%
D
50%
18) Galapagos island finches and tortoises all developed traits through natural selection. What occurs during the process of natural selection?
A
Only the fittest, best adapted organisms survive long enough to reproduce.
B
Organisms remain exactly the same over many generations, there is no change over time..
C
Organisms choose mates from other species.
D
Breeders cross organisms with desirable traits that human prefer.
19) Which of the following best describes the role of decomposers in an ecosystem?
A
They are carnivore and considers apex predators (top of the food chain)
B
They produce their own food using sunlight
C
They break down dead organisms and waste to return nutrients to soil.
D
They consume other organisms for energy.
20) Groundwater is
A
water found along Earth's surface, like lakes, rivers, ocean
B
water flowing down a mountain
C
the top of the saturated zone of the water table
D
water found below Earth's surface, like in aquifers
*select an answer for all questions
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