MEDIUM
10th CBSE
IMPORTANT
Earn 100

What are homologous structures? Given an example. Is it necessary that homologous structures always have a common ancestor?

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 33
Does the occurrence of the diversity of animals on earth suggest their diverse ancestry also? Discuss this point in light of evolution.
MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Short Answer Type Questions>Q 34

Give the pair of contrasting traits of the following characters in pea plant and mention which is dominant and recessive:

(i) Yellow seeds.

(ii) Round seeds.

MEDIUM
10th CBSE
IMPORTANT
NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 9 - Heredity and Evolution>Short Answer Type Questions>Q 35
Why did Mendel choose pea plant for his experiments?
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.