Question No:1
Which of the following disorders is not hereditary?
[A] Haemophilia
[B] Cataract
[C] Sickle-cell anaemia
[D] Colour blindness
Question No:2
A pleiotropic gene is one which
[A] Affects one character
[B] Affects more than one characters
[C] (a) and (b) both
[D] None of these
Question No:3
Phenyketonuria is a genetic disorder of
[A] Trisomic condition
[B] Monosomic condition
[C] Autosomal dominant gene
[D] Autosomal recessive gene
Question No:4
Which of the following is not X-linked recessive?
[A] Haemophilia-A
[B] Colour blindness
[C] BETA-Thalasemia
[D] G-6 PD deficiency
Question No:5
Monosomy and trisomy can be represented as
[A] 2n+1,2n + 3
[B] 2n-1,2n-2
[C] 2n, 2n+1
[D] 2n-1,2n+1
Question No:6
Which result proved that there was no blending in Mendelian Cross?
[A] Filial1 progeny of monohybrid cross
[B] Filial2 progeny of dihybrid cross
[C] Filial1 progeny of dihybrid cross
[D] All of the above
Question No:7
F2-progeny of Mendelian monohybrid cross between Tall and Dwarf plant made up of
[A] Tall plant, identical to their parental type
[B] Dwarf plant, identical to their parental type
[C] Plant with intermediate light were produced
[D] Both (a) and (b)
Question No:8
Select incorrect statement
[A] Capital latter is used to denote dominant trait
[B] Small latter is used to denote recessive trait
[C] True breeding variety is represented by similar allele pair of gene
[D] Alleles are completely similar forms of the same genes
Question No:9
Punnett was
[A] Italian botanist
[B] British geneticist
[C] American geneticist
[D] Austrian geneticist
Question No:10
What genotype ratio of Mendelian monhybrid cross?
[A] 3:1
[B] 1:2:1
[C] 1:1
[D] 3:2
Question No:11
Mendel found that the F1 always resembled either one of the parents and that the trait of the other parent was not seen in them. This is due to
[A] Segregation
[B] Dominance
[C] Partial dominance
[D] Unit factor
Question No:12
In monohybrid cross, proportion of 3:1 explains
[A] Dominance
[B] Segregation
[C] Both (a) and (b)
[D] Unit factor
Question No:13
In Morgan’s experiment, what will be the percentage of recombination in case of body colour and eye colour?
[A] 37.20%
[B] 1.30%
[C] 98.70%
[D] 37.2
Question No:14
Which of the following was/were applied first time to problems in biology during Mendel’s investigations into inheritance?
[A] Statistical analysis
[B] Mathematical logic
[C] Computational
[D] Both (a) and (b)
Question No:15
Mendel proposed how many general rules to consolidate his understanding of inheritance in monohybrid cross?
[A] One
[B] Two
[C] Three
[D] None of the rules, he proposed laws/principles
Principles of Inheritance and Variation Mock Test-10
CategoriesNEET Biology