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Biology 10th Class English Medium Online Test MCQs With Answers
Question # 1
the type of symbolic association in which partner gets benefits while other is neither benefited nor harmed is called:
Choose an answer
Commensalism
Mutualism
Parasitism
Predation
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Question # 2
The first step of genetic engineering is:
Choose an answer
Growth of the genetically modified organism
Transfer of the recombinant DNA into the host organism
Isolation of the gene of interest
Insertion of gene into a vector.
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Question # 3
Which one is used for the production of plastics?
Choose an answer
Bacillus
Aspergillus
Saccharomyces
None of these
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Question # 4
The parts of body which receive message from coordinates and produce response are;
Choose an answer
Effectors
Receptors
Stimulus
Neuron
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Question # 5
The Allele which is not expressed is called:
Choose an answer
Dominant
Recessive
Homozygous
Hetrozygous
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Question # 6
Alternative forms of a gene are called.
Choose an answer
Allele
DNA
Chromosome
Gamete
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Question # 7
Conversion of Nitrates into nitrogen gas is called.
Choose an answer
Denitrification
Assimilation
Ammonification
Nitrogen fixtation
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Question # 8
A group of organisms of same species living in a particular area is called.
Choose an answer
Population
Coummunity
Abiotic factor
Ecology
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Question # 9
Streptomycin is obtained from:
Choose an answer
Bacteria
Virus
Fungi
Microorganisms
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Question # 10
Variatations show distinct phenotypes and phenotypes of such variations cannot be measured by:
Choose an answer
Discontinuous variations
Continuous variations
Both a and b
None of these
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Question # 11
The correct match for the Fermentation product and organism involved is:
Choose an answer
Formic acid - Saccharomyces
Ethanol - Saccharomyces
Ethanol - Asperellus
Glycerol - Aspergillus
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Question # 12
There are______ types of movements.
Choose an answer
2
3
4
None of these
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Question # 13
By drinking plenty of water how many stones can be avoided?
Choose an answer
20%
30%
50%
90%
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