In humans, the dominance relationship between the A and B alleles of ABO blood group gene is an example of

(1) complete dominance.

(2) incomplete dominance.

(3) codominance.

(3) epistasis

 

For how many years Gregor Mendel conducted hybridisation experiments on garden peas?

(1) 5

(2) 7

(3) 14

(4) 34

James Watson and Francis Crick got Nobel prize in the year

(1) 1960

(2) 1962

(3) 1959

(4) 1953

How many true breeding pea plant varieties had been selected by Mendel?

(1) 1

(2) 7

(3) 14

(4) 16

A true-breeding plant line can be obtained by

(1) Cross pollination

(2) Self pollination

(3) Continuous Cross pollination

(4) Continuous Self pollination

How many pairs of contrasting traits studied by Mendel were related to pod?

(1) 1

(2) 2

(3) 3

(4) 4

Among the given pea plant traits identify the odd one

(1) Violet flower

(2) Yellow seed

(3) Yellow pod

(4) Axial flower position

Which of the following does not contribute to Mendel’s success?

(1) Large sampling size

(2) Statistical analysis

(3) Performed experiments on single variety of pea

(4) Performed experiments on successive generations

“Filial 1 progeny” refers to

(1) First pure breed

(2) First offspring

(3) First hybrid generation

(4) Second hybrid generation

How many laws of Mendel are based on monohybrid cross?

(1) 1

(2) 2

(3) 3

(4) 4