NCERT Solutions for Chapter: Evolution, Exercise 3: SHORT ANSWER TYPE QUESTIONS
NCERT Biology Solutions for Exercise - NCERT Solutions for Chapter: Evolution, Exercise 3: SHORT ANSWER TYPE QUESTIONS
Attempt the practice questions on Chapter 7: Evolution, Exercise 3: SHORT ANSWER TYPE QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Biology - Class 12 solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Evolution, Exercise 3: SHORT ANSWER TYPE QUESTIONS with Hints & Solutions
The evolutionary story of moths in England during industrialisation reveals, that "evolution is apparently reversible". Clarify this statement.
Comment on the statement that "evolution and natural selection are end result or consequence of some other processes but themselves are not processes".
State and explain any three factors affecting allele frequency in populations.
Gene flow occurs through generations. Gene flow can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different population of the world, can we not predict human migratory patterns in pre-history and history? Do you agree or disagree? Provide explanation to your answer.
How do you express the meaning of words like race, breed, cultivars or variety?
When we say "survival of the fittest", does it mean that
a. Those which are fit only survive, or
b. Those that survive are called fit?
Comment
Enumerate three most important characteristic criteria for designating a Mendelian population.
"Migration may enhance or blur the effects of selection". Comment.
