WorksheetsHomeostasis and Punnett Squares
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
What is mean by homeostasis?
a)
Controls and coordinates body activities through chemical
b)
controls and coordinates body activities through electrical impulses
c)
For maintenance of a steady state in the internal environment
d)
remove metabolic waste products from the cel
2.
Which organ system directs the other organ systems in our bodies?
a)
Integumentary system
b)
Muscular system
c)
Circulatory system
d)
Nervous system
3.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
4.
Name the levels of organization in the human body in order from smallest to largest:
a)
Tissue, organ, organ system
b)
Organ system, tissue, organs, cells
c)
Cells, tissue, organs, organ system
d)
Cells , organs, tissue, organ system
5.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
6.
Which diagram represents an organ?
a)
#1
b)
#2
c)
#3
d)
#4
7.
Which organ is responsible for keeping water balanced in the blood?
a)
Pancreas
b)
Heart
c)
Lungs
d)
Kidneys
8.
Homeostasis is the regulation of the ________________ environment.
a)
Outside
b)
Homeostatic
c)
Internal
d)
External
9.
Positive feedback is when the change caused by the stimulus is
a)
decreased
b)
non existant
c)
increased
d)
changes constantly
10.
An autotrophic organism is able to create its own
a)
heat
b)
food
c)
water
d)
sunlight
11.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
12.
Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa
AA x aa
a)
AA
b)
Aa
c)
aa
d)
brown fur
13.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
14.
What is the genotype for this organism?
(E= 3 eyes, e= 1 eye)
(E= 3 eyes, e= 1 eye)
a)
EE
b)
Ee
c)
ee
d)
EE or Ee
15.
This image shows a...
a)
Punnett Square
b)
Phenotype
c)
Genotype
d)
Dominant allele
100 %
