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Biology 10 Chapter 15 - Inheritance - 10
1.
What is used to cross all the possible gametes of one parent with all the gametes of other parent?
a) Punnet square
b) Cross square
c) Genotypic square
d) Checker board
2.
Who explained that the two traits i.e. seed shape and seed colour, are not tied with each other?
a) Einstein
b) Punnet
c) Newton
d) Mendel
3.
Who concluded that different traits are inherited independently of one another?
a) Einstein
b) Newton
c) Punnet
d) Mendel
4.
Which law states that “the alleles of a gene pair segregate independently from the alleles of other gene pairs”?
a) Law of gravity
b) Law of segregation
c) Law of independent assortment
d) Law of co-dominance
5.
Who stated that “the alleles of a gene pair segregate independently from the alleles of other gene pairs”?
a) Newton
b) Mendel
c) Punnet
d) Einstein
6.
How many genetically different kinds of gametes an individual with genotype AAbb can produce?
a) 1
b) 2
c) 8
d) 4
7.
After whose work, scientists began experiments on the genetics of various organisms?
a) Punnet
b) Mendel
c) Einstein
d) Newton
8.
What do the experiments performed by scientists proved?
a) That all traits in organisms are inherited
b) That all traits in organisms do not follow Mendel’s law
c) None of these
d) That all traits in organisms follow Mendel’s law
9.
What is the example of deviations from Mendel’s laws?
a) None of these
b) Inco-dominance
c) Complete dominance
d) Co-dominance
10.
What is the example of deviations from Mendel’s laws?
a) All of these
b) Inco-dominance
c) Incomplete dominance
d) Complete dominance
11.
What is the situation called in which two different alleles of a gene pair express themselves completely?
a) Complete dominance
b) Co-dominance
c) Incomplete dominance
d) Variation
12.
In which situation, the heterozygous organism shows a phenotype that is different from both homozygous parents?
a) Co-dominance
b) Variation
c) Incomplete dominance
d) Complete dominance
13.
Which of the following is the example of co-dominance?
a) Continuous variation
b) Human blood group AB
c) Discontinuous variation
d) Four O clock plant
14.
Human blood group AB is the example of.....................?
a) Incomplete dominance
b) Complete dominance
c) Co-dominance
d) Variation
15.
By which gene the human blood group ABO system is controlled?
a) Gene ‘B
b) Gene ‘I
c) Gene ‘O
d) Gene ‘A
16.
How many alleles gene ‘I’ has in the human blood group ABO system?
a) Three
b) Four
c) Two
d) One
17.
Which of the following allele’s gene ‘I’ have?
a) Allele IA
b) All of these
c) Allele i
d) Allele IB
18.
Which antigen is produced by allele IA?
a) Antigen O
b) Antigen A
c) Antigen B
d) No antigen
19.
What is the phenotype of allele IA?
a) Blood group O
b) Blood group A
c) Blood group AB
d) Blood group B
20.
Which antigen is produced by allele IB?
a) Antigen O
b) Antigen A
c) No antigen
d) Antigen B
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