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Life Functions
Test Description: Nutrition, excretion, transport, synthesis, growth, regulation, respiration, reproduction, metabolism and homeostasis
Instructions: Answer all questions to get your test result.
1) Which two activities best describe the process of transport
A
inhaling air into the trachea (windpipe) and absorbing glucose into the villi (small intestine)
B
absorbing glucose into the villi (small intestine) & distributing nutrients by means of blood vessel
C
walking from one place to another and distributing nutrients by means of blood vessels
D
walking from one place to another and inhaling air into the trachea (windpipe)
2) Nutrition involves those activities by which organisms
A
absorb and circulate materials
B
remove cellular waste products
C
exchanges gases with their environment
D
obtain and process materials needed for activities
3) ATP (energy storage molecule) is a compound that is synthesized when:
A
energy stored in chemical bonds is released during cellular respiration
B
digestive enzymes break amino acids into smaller parts
C
chemical bonds between carbon atoms are formed during photosynthesis
D
energy stored in nitrogen is released, forming amino acids
4) During strenuous exercise, small blood vessels near the skin surface increase in diameter (enlarge). This allows the body to be cooled. These statements best illustrate:
A
reproduction
B
homeostasis (maintain balance)
C
synthesis (building)
D
locomotion
5) In which process are simple materials chemically combined to form more complex materials?
A
synthesis
B
hydrolysis
C
cyclosis
D
pinocytosis
6) The life function responsible for the control and coordination of all life activities in an organism is known as:
A
regulation
B
reproduction
C
excretion
D
nutrition
7) Every single-celled organism is able to survive because it carries out:
A
heterotrophic nutrition
B
sexual reproduction
C
autotrophic nutrition (photosynthesis)
D
metabolic activities
8) Which life activity is NOT required for the survival of the individual organism?
A
respiration
B
synthesis
C
nutrition
D
reproduction
9) The energy an organism requires to transport materials and excrete wastes is obtained directly from?
A
DNA
B
ATP
C
Hormones
D
Starch
10) Which process is a form of autotrophic nutrition
A
fermentation
B
transport
C
regulation
D
photosynthesis
*select an answer for all questions
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