Geeta Negi Solutions for Chapter: Heredity and Evolution, Exercise 3: EXERCISE - 4C
Geeta Negi Biology Solutions for Exercise - Geeta Negi Solutions for Chapter: Heredity and Evolution, Exercise 3: EXERCISE - 4C
Attempt the free practice questions on Chapter 4: Heredity and Evolution, Exercise 3: EXERCISE - 4C with hints and solutions to strengthen your understanding. CORE SCIENCE BIOLOGY For Class 10 solutions are prepared by Experienced Embibe Experts.
Questions from Geeta Negi Solutions for Chapter: Heredity and Evolution, Exercise 3: EXERCISE - 4C with Hints & Solutions
What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor?
Explain analogous organs and homologous organs. Identify the analogous and homologous organs amongst the following:
wings of an insect, wings of a bat, forelimbs of a frog, forelimbs of a human.
The human beings who look so different from each other in terms of colour, size, and looks are said to belong to the same species. Why? Justify your answer.
What are fossils? Describe the importance of fossils in deciding evolutionary relationships between organisms.
Name two homologous structures in vertebrates. Why are they so called? How do such organs help in understanding an evolutionary relationship?
Does geographical isolation of individuals of a species lead to formation of a new species? Provide a suitable explanation.
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.
All the human races like Africans, Asians, Europeans, Americans and other might have evolved from one ancestor. Proved a few evidences in support of this view.
