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Principles of Inheritance and Variation Mock Test-4

Question No:1

When a tall plant with rounded seeds (TTRR) is crossed with a dwarf plant with wrinkled seeds (ttrr), then the generation consists of tall plants with rounded seeds. How many types of gametes a plant would produce?

[A] One
[B] Three
[C] Four
[D] Eight



Question No:2

Mendel did his experiment on

[A] Garden pea (Pisum sativum)
[B] Snapdragon
[C] Drosophila
[D] Lathyrus odaratus



Question No:3

How many contrasting traits are chosen by Mendel?

[A] 7
[B] 14
[C] 21
[D] 4



Question No:4

Mendel conducted experiment on garden pea for how many years?

[A] 7
[B] 10
[C] 4
[D] 15



Question No:5

Mendel chose how many characters of flower of garden pea for his experiment?

[A] 1
[B] 2
[C] 3
[D] 4



Question No:6

Select false statement from the following:

[A] Mendel first time applied statistical analysis and mathematical logics to problem in biology
[B] Mendel’s experiment had a large sampling size, which gave greater credibility to the data that he collected
[C] Mendel conducted artificial cross-pollination experiment using true-breeding pea lines
[D] Mendel selected 14 true-breeding pea plant varieties, as pairs which were similar except for two characters with contrasting traits



Question No:7

In Mendelian dihybrid cross, how many individuals are homozygous dominant for both the genes in F2– regeneration?

[A] 1/16
[B] 2/16
[C] 4/16
[D] 6/16



Question No:8

In Mendelian dihybrid cross, how many individuals are homozygous recessive for one of the character only in F2 generation?

[A] 1/16
[B] 2/16
[C] 3/16
[D] 6/16



Question No:9

In Mendelian dihybrid cross, how many individuals are heterozygous of both the character in F2– regeneration?

[A] 1/16
[B] 2/16
[C] 3/16
[D] 4/16



Question No:10

In Mendelian dihybrid cross, how many of progeny in F2 – regeneration possess genotype rryy?

[A] 1/16
[B] 2/16
[C] 3/16
[D] 4/16



Question No:11

How many genotypes are formed in Mendelian dihybrid cross?

[A] 4
[B] 9
[C] 6
[D] 8



Question No:12

Inheritance of ABO blood group system is an example of

[A] Multiple allelism
[B] Partial dominance
[C] Epistasis
[D] Dominance



Question No:13

Genotype of blood group ‘A’ will be

[A] IA IA
[B] IB IB
[C] IA IA or AIO
[D] IAIO



Question No:14

Blood group ‘B’ will have alleles

[A] ii
[B] IAIA
[C] IBIB
[D] IAIB



Question No:15

If one parent belongs to ‘A’ blood group and the other to ‘O’ blood group, their children possibly represent

[A] A and B groups only
[B] AB only
[C] A and O groups only
[D] All four groups