KCET SERIES Biology
Principles Of Inheritance And Variation
13 previous year questions.
Volume: 13 Ques
Yield: Medium
High-Yield Trend
2
2020 1
2018 1
2017 1
2016 1
2014 1
2012 2
2011 2
2008 2
2007 Chapter Questions 13 MCQs
01
PYQ 2007
medium
biology ID: kcet-200
Mutation can not change
1
Enzyme
2
DNA
3
RNA
4
Environment
02
PYQ 2007
medium
biology ID: kcet-200
In ABO blood groups, how many phenotypes are found ?
1
1
2
4
3
6
4
8
03
PYQ 2008
medium
biology ID: kcet-200
A dihybrid test cross yielding a result of 1 : 1 : 1 : 1 ratio is indicative of
1
Homozygous condition of the dihybrid
2
4 different types of gametes produced by the dihybrid
3
4 different types of gametes produced by the parent
4
4 different types of generation dihybrids
04
PYQ 2008
medium
biology ID: kcet-200
A condition where a certain gene is present in only a single copy in a diploid cell is called.
1
Monogamous
2
Heterozygous
3
Hemizygous
4
Homozygous
05
PYQ 2011
medium
biology ID: kcet-201
In a typical Mendelian cross which is a dihybrid cross, one parent is homozygous for both dominant traits and another parent is homozygous for both recessive traits. In the generation, both parental combinations and recombinations appear. The phenotypic ratio of parental combinations to recombinations is ..................
1
10:06
2
9:07
3
12:04
4
15:01
06
PYQ 2011
medium
biology ID: kcet-201
Four children belonging to same parents have the following blood groups A, B, AB and O. Hence the genotypes of the two parents are
1
Both parents are homozygous for 'A' group
2
One parent is homozygous for 'A' and another parent is homozyous for 'B'
3
One parent is heterozygous for 'A' and another parent is heterozygous for 'B'
4
Both parents are homozygous for 'B' group
07
PYQ 2012
medium
biology ID: kcet-201
If father shows normal genotype and mother shows a carrier trait for haemophilia:
1
All the female offspring will be normal.
2
All the female offspring will be carriers.
3
A male offspring has 50% chances of active disease.
4
Female offspring has probability of 50% to have active disease.
08
PYQ 2014
hard
biology ID: kcet-201
In garden pea, round shape of seeds is dominant over wrinkled shape. A pea plant heterozygous for round shape of seed is selfed and 1600 seeds produced during the cross are subsequently germinated. How many seedlings would have the parental phenotype ?
1
1600
2
800
3
400
4
1200
09
PYQ 2016
medium
biology ID: kcet-201
From the following pedigree chart of a family, one can make an analysis that,
1
It is an autosomal recessive trait.
2
It is an autosomal dominant trait.
3
It is an allosomal dominant trait.
4
It is an allosomal recessive trait.
10
PYQ 2017
medium
biology ID: kcet-201
Replacement of which one of the following nucleotides in the Hbb gene causes sickle cell anaemia ?
1
A to T
2
A to U
3
U to A
4
C to G
11
PYQ 2018
medium
biology ID: kcet-201
ABO blood type in man is an example of 1. Pleiotropy 2. Incomplete dominance 3. Co-dominance 4. Multiple allelism Select the code for the correct answer from the options given below :
1
1, 2 and 3 only
2
1,3 and 4 only
3
3 and 4 only
4
1, 2 and 4 only
12
PYQ 2020
medium
biology ID: kcet-202
A man with blood group marries a woman having blood group . The maximum possible blood groups among their progenies are
1
A, B
2
A, B, AB, O
3
AB only
4
A, B, AB
13
PYQ 2020
medium
biology ID: kcet-202
A pure breeding pea plant with round yellow seeds was crossed with pea plant having wrinkled green seeds. On selfing of hybrid of his cross progenies were obtained in generation. Find out the number of progenies showing non-parental characters.
1
12
2
24
3
36
4
4