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Class 12 Biology
Principles Of Inheritance And Variation
Quiz 2
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When F
0%
Dominance
0%
Blended inheritance
0%
Law of segregation
0%
Law of independent assortment
Explanation
Law of segregation
Mendel’s formulated the law of purity of gametes on the basis of:
0%
Test cross
0%
Back cross
0%
Monohybrid cross
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Dihybrid cross
Explanation
Monohybrid cross
tt mates with Tt. What will be characteristic of offspring:
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75% Ineffective
0%
50% Uneffective
0%
25% Uneffective
0%
All Effective
Explanation
50% Uneffective
Failure of segregation of chromatids during cell division Cycle result in the gain or loss of a cromosome (s) is called :
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Female heterogamety
0%
Male heterogamety
0%
Aneuploidy
0%
None of these
Explanation
Female heterogamety
Exception of Mendel’s law is:
0%
Dominance
0%
Purity of gametes
0%
Linkage
0%
Independent assortment
Explanation
Linkage
Haemophilia is a:
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Mendelian disorder
0%
Chromosomal disorder
0%
Can be (a) or (b)
0%
None of these
Explanation
Mendelian disorder
Down’s syndrome is a:
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Mendelian disorder
0%
Chromosomal disorder
0%
can be both
0%
None of these
Explanation
Chromosomal disorder
Mendel worked on :
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Edible pea
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Wild pea
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Garden Pea
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None of these
Explanation
Edible pea
A gamete contains which of the following :
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Both alleles of a gene
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Only one allele of a gene
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Al allele of a gene
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No allele
Explanation
Only one allele of a gene
Name the scientist who discovered the law of Heredity :
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Gregor Mendel
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Newton
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Piinnett
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None of these
Explanation
Gregor Mendel
Punnett square was developed by:
0%
Mendel
0%
Watson and Sutton
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Raginald
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Boveri
Explanation
Raginald
Who introduced Chromosomal Theory of Inheritance?
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Mendel
0%
Sutton
0%
Reginald
0%
Boveri
Explanation
Sutton
The plant Mendel used to study inheritance of two genes is:
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Apple
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Mango
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Garden pea
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Potato
Explanation
Garden pea
Mendel published his work on inheritance of character in?
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1870
0%
1900
0%
1865
0%
1845
Explanation
1865
Female heterogamety is :
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Two different types of gametes are produced by females
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Four different types of gametes are produced by males
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Can be both (a) and (b)
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None of these
Explanation
Two different types of gametes are produced by females
0 h : 0 m : 1 s
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