Bacteria have a simpler body plan when compared with human beings. Does it mean that human beings are more evolved than bacteria? Provide a suitable explanation.

Does geographical isolation of individuals of a species lead to formation of a new species? Provide a suitable explanation.

Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion.

Give reasons why acquired characters are not inherited.

Give reasons for the appearance of new combinations of characters in the $F_2$ progeny.

Differentiate between inherited and acquired characters. Give one example for each type.

All the human races like Africans, Asians, Europeans, Americans and others might have evolved from a common ancestor. Provide a few evidences in support of this view.

Give the basic features of the mechanism of inheritance.

What are the combinations of character in the $F_2$ progeny? What are their ratios?

Study the following cross and showing self pollination in $F_1$, fill in the blank and answer the question that follows.

 

In the following crosses write the characteristics of the progeny