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Life Science
Test Description: Cells/Taxonomy/Microscope/Systems/Reproduction/Development
Instructions: Answer all questions to get your test result.
1) Asexually produced offspring are genetically
A
different from the parent
B
formed by two parents
C
different from each other
D
identical to the parent
2) Each body cell of a goldfish contains 94 chromosomes. Howmany chromosomes are contained in a goldfish sex cell?
A
188
B
94
C
23
D
47
3) Compared to the amount of hereditary information in a human body cell, how much hereditary information is contained in a human sex cell?
A
the same amount
B
one-half the amount
C
twice the amount
D
one-quarter the amount
4) Some one-celled organisms can reproduce by the process of
A
cell division
B
fertilization
C
adaption
D
hormone secretion
5) In animal skin tissue, cell division is responsible for
A
production of sex cells
B
growth and repair
C
sexual reproduction
D
obtaining energy
6) In a one-celled organism, cell division is responsible for
A
growth
B
sexual reproduction
C
production of sex cells
D
asexual reproduction
7) The main function of the human digestive system is to
A
release energy from sugars within the cells
B
carry nutrients to all parts of the body
C
break down foods for absorption into the blood
D
exchange oxygen and carbon dioxide in the lungs
8) What is the main function of the circulatory system?
A
secrete enzymes
B
transport materials
C
produce hormones
D
digest proteins
9) The interaction of the skeletal and muscular systems to produce locomotion is coordinated by which human body system?
A
respiratory
B
excretory
C
circulatory
D
nervous
10) Which human organ system produces most of the hormones that regulate body functions?
A
digestive
B
circulatory
C
nervous
D
endocrine
11) Infectious diseases are caused by
A
vitamin deficiencies
B
chemical spills
C
allergies
D
microorganisms
12) Some one-celled organisms can reproduce by the process of
A
cell division
B
metamorphosis
C
fertilization
D
hormone secretion
13) Growth and repair in the multicellular organisms are the result of
A
cell division
B
decomposition
C
locomotion
D
excretion
14) Cancer is best described as
A
biological adaption
B
bacterial infection
C
natural selection
D
abnormal cell division
15) The basic life functions of an organism are carried on by
A
nutrients
B
hormones
C
cells
D
atoms
16) Which term identifies a single unit of hereditary information?
A
egg
B
nucleus
C
gene
D
sperm
17) During which process do cells use oxygen to release stored energy?
A
digestion
B
photosynthesis
C
circulation
D
respiration
*select an answer for all questions
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