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Biology Life Science Test Easy Mode MCQs With Answers
Question # 1
Experimentation is only a step of the scientific process but it is very important step because it always:
Choose an answer
Gives the biologist a correct result
Allows rejection of some alternative hypothesis
Ensures that hypothesis can be confirmed with certainity
Give scientists a chance to work in the laboratory
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Question # 2
Classes are grouped into ____________
Choose an answer
Phylaum
Order
Class
Kingdom
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Question # 3
Lignin is present in:
Choose an answer
Primary wall
Secondary wall
None of above
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Question # 4
Two consecutive cell division occurs in ..............
Choose an answer
Meiosis
Mitosis
Interphase
None
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Question # 5
Humans belong to a species called ____________
Choose an answer
Homo
Sapiens
Both and b
None of these
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Question # 6
Find the correct path of blood circulation.
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Left atrium, left ventricle, lungs, right atrium, right ventricle, body
Right atrium, right ventricle, lungs, left atrium, left ventricle ,body
Left atrium, left ventricle, right atrium, right ventricle, lungs body
Right atrium, lungs, right ventricle, left atrium, body , left ventricle
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Question # 7
How many elements maek 99% of the total mass.
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Four
Six
Eight
Ten
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Question # 8
Good calcium along with low salt and high potassium intake prevents from:
Choose an answer
Hypertension
Kidney stone
a and b
None
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Question # 9
What reason would you suggest for the fact that the total DNA content of each daughter cell is reduced during meiosis?
Choose an answer
Chromosomes do not replicate during the interphase before meiosis 1
Chromosomes do not duplicate between meiosis 1 and 2
Half of the chromosomes form each gamete are broken
Sister chromatids separate during anaphase of meiosis 1
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Question # 10
Species that are in same ____________ are more closely related than species that are in the same _____________
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Phylum ........ Class
Family... Order
Class... Order
Family....Genus
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Question # 11
The process of mitaosis ensures that:
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Each new cell is genetically different form its parent
Each new cell receives the proper number of chromosomes
Cells which divide at the appropriate tme
Chromosomes replicate without errors
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Question # 12
The correct match for the Fermentation product and organism involved is:
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Formic acid - Saccharomyces
Ethanol - Saccharomyces
Ethanol - Asperellus
Glycerol - Aspergillus
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Question # 13
It is a Hallocinogen:
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Marijuana
Aspirin
Morphine
Codeine
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Question # 14
The process which maintain the internal condition of body at equilibrium despite changes in the external environment is called.
Choose an answer
Homeostasis
Excretion
Absorption
Tubular Secretion
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Question # 15
Which is not an advantage of grafting?
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The graft is identical to the parent plant.
Grafting allows the propagation of seedless fruits.
The graft combines the characteristics of two plants.
Grafting may allow for the faster production of desirable fruits.
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Question # 16
By which method sponges, hydra and corals reproduce?
Choose an answer
Fragmentation
Spores
Regeneration
Budding
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Question # 17
Asexual reproduction in yeast takes place through:
Choose an answer
Budding
Fragmentation
Binary fission
Spore formation
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Question # 18
The rate of breathing during exercise or other hard:= physical work is:
Choose an answer
10-20 times
20-30 times
30-40 times
40-50 times
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Question # 19
The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called.
Choose an answer
Commenaslism
Mutualism
Parasitism
Predation
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Question # 20
Water , soil, air, temperature, wind and sunlight are example of:
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Biotic factors
Biomass
Environment
Abiotic factors
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Question # 21
All of these are hormones except:
Choose an answer
Insulin
Thyroxin
Glucagon
Pepsinogen
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Question # 22
Name of mature blood cells is:
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Osteocytes
Chondrocytes
Oocytes
Tendos
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