Why did Mendel choose pea plant for his experiments?

Important Questions on Heredity and Evolution

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Short Answer Type Questions>Q 36

A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Long Answer Type Questions>Q 37

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

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Long Answer Type Questions>Q 38

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.

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Long Answer Type Questions>Q 39

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.

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Long Answer Type Questions>Q 40

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

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Long Answer Type Questions>Q 41

Give reasons why acquired characters are not inherited.

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Long Answer Type Questions>Q 42

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

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Long Answer Type Questions>Q 43

In the following cross, write the characteristics of the progeny.

RRYY x RRYY