Give the common and scientific names of the organism on which Gregor Mendel had worked.

Distinguish between the following pairs:

(i) Monohybrid and Dihybrid cross

(ii) Genotype and Phenotype

(iii) Character and Trait

(iv) Dominant and Recessive Allele

(v) Autosomes and Sex chromosomes

Which one of the following is the phenotypic monohybrid ratio in F₂ generation?

1. 3 : 1
2. 1 : 2 : 1
3. 2 : 2
4. 1 : 3

If a pure tall plant is crossed with a pure dwarf plant, then offspring will be

1. all tall
2. all dwarf
3. 3 tall 1 dwarf
4. 50% tall 50% dwarf