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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
germs
B
spontaneous generation (just appear)
C
water
D
pre-existing cells, by cell division
2) Least complex level of organization in humans
A
organ
B
cell
C
tissue
D
organ system
3) Xylem is a tissue in plants that
A
absorbs carbon dioxide
B
releases oxygen
C
transports water
D
transport food (glucose sugar)
4) Main function of respiratory system
A
excretes waste
B
movement
C
exchanges oxygen and carbon dioxide
D
produces oxygen
5) Vacuoles in a cell
A
release energy from food
B
photosynthesize
C
control reproduction
D
store water, food and waste
6) structure means part, function means
A
reproduction
B
type or kind
C
color
D
job
7) Uses light energy to make food for a plant (chemical change)
A
chloroplast
B
vacuole
C
pre-existing cell
D
organ system
8) Nutrients (food), waste and other materials are all transported through the body by the
A
digestive system
B
excretory system
C
respiratory system
D
circulatory (cardiovascular) 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 chemical change: thermal energy becomes nuclear and radiant/light energy
C
a physical change that releases body waste making cells smaller
D
a chemical change: chemical energy becomes thermal and mechanical energy
10) Shivering warms the body. Sweat (perspiration)
A
increases your heart rate
B
cools the body's temperature
C
causes heavy breathing
D
warms the body's temperature
11) Which results in offspring different from parent cells (not an identical clone)
A
skin cells dividing to repair a cut in skin
B
any cell splitting/dividing
C
a sperm cell fertilizing an egg cell
D
hydra budding asexually
12) Heredity is
A
using energy and excreting wastes
B
the storage of food, water and waste
C
light energy being transformed to chemical energy
D
genetic material (DNA) passed from generation to generation
13) Chromosomes are sometimes x-shaped, with stripes called genes that
A
control body temperature
B
use energy and excrete wastes
C
determine inherited traits
D
transform chemical energy to mechanical and thermal energy
*select an answer for all questions
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