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Biology FSC Part 2 Chapter 24 Online MCQ's Test MCQs With Answers
Question # 1
In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :
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Top
Bottom
Intermediate
Top & intermediate
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Question # 2
The armored mammal that lives only in America is the.
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Armadillo
Echidna
Pengun
Pelvis and leg bones
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Question # 3
According to endosymbiont hypothesis, the aerobic bacteria developed into.
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Ribosome
Lysosome
Mitochondria
Golgi apparatus
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Question # 4
Endangered species of plants have been recorded to more than.
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300
500
600
800
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Question # 5
Which of the following is vestigla organ of whale.
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Pelvis
Leg bones
Pelvis and leg bones
Lungs
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Question # 6
How many types of finches did Darwin collect on Galapagos Island.
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13 types
20 types
25 types
30 types
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Question # 7
A group of individuals belong to a particular species and sharing a common geographic area is called.
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Community
Population
Ecosystem
Biosphere
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Question # 8
A general formula called the hard-Weinberg equation is used for calculating the frequencies of alleles and genotypes in populations at
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Equilibrium
Balance
Stability
Poise
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Question # 9
A group of bacteria that can tolerate temperate upto 120
o
C
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Eubacteria
Mycoplasma
Archaebacteria
E.Coli
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Question # 10
Lyell published the principle of.
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Population
Community
Geology
Blome
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Question # 11
In Griffith experiment mice developed pneumonia when they were injected with:
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R-type bacteria
Heat killed S-type bacteria
Heat killed R-type bases
Heat killed S-type becteria along with live R-type becteria
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Question # 12
Some amoeboflagellates ingested cyanobacteria and led to the development of
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Mitochondria
Golgi apparatus
Chloroplasts
Vacuoles
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Question # 13
Homologous structures represent.
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Convergent evolution
Analogy
divergent evolution
Functional similarity
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Question # 14
The ultimate source of change is.
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Evolution
Mutation
Genetic drift
Migration
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Question # 15
An essay on the principle of population was published by
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Darwin
Wallace
Malthus
Linnaens
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Question # 16
The change of frequency of alleles at locus that occur by chance is called.
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Mutation
Migration
Genetic drift
Selection
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Question # 17
If all members of a population are homozygous for the same allele that allele is said to be
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Multiple allele
Jumping gene
Fixed in the gene
Perfect gene
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Question # 18
Eukaryotes are thought to have first appeared about____billion years ago
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1.2
1.3
1.4
1.5
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