MEDIUM
Earn 100

What is not true about mutation according to Hugo de Vries theory?

50% studentsanswered this correctly

Important Questions on Heredity and Evolution

MEDIUM
Science>Biology>Heredity and Evolution>Theory of Evolution
Explain the three types of natural selection.
HARD
Science>Biology>Heredity and Evolution>Theory of Evolution
Natural selection means
MEDIUM
Science>Biology>Heredity and Evolution>Theory of Evolution
Explain three features of mutation theory.
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution

Identify the word pair relation and fill the blanks,

Oparin : Theory of chemical evolution : : Hugo de Vries: _____ 

EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
Who proposed the 'theory of natural selection'?
HARD
Science>Biology>Heredity and Evolution>Theory of Evolution
State the Hardy-Weinberg’s principle. Explain briefly the algebraic equation of p2+2pq+q2 =1 on the basis of principle.
HARD
Science>Biology>Heredity and Evolution>Theory of Evolution
Bring out the differences between Darwinism and Neo-Darwinism.
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
A diploid plant has 14 chromosomes, but its egg cell has 6 chromosomes. Which one of the following is the most likely explanation of this?
MEDIUM
Science>Biology>Heredity and Evolution>Theory of Evolution
According to Hugo de Vries, the mechanism of evolution is
MEDIUM
Science>Biology>Heredity and Evolution>Theory of Evolution
Differentiate between allopatric and sympatric species.
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
Who coined the term ''Mutation''? Explain the origin of new species by Lamark theory.
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
Variations caused by mutation, as proposed by Hugo de Vries, are:
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
Based on the given model, make a suitable pair from the following box :
Model Charles Darwin - The theory of natural selection.
(Hugo deVries, Lamarck,
(Chemical evolution theory, Panspermia,)
(Mutation theory, Robert Malthus)
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
Differentiate between natural selection and artificial selection
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
Genetic drift
MEDIUM
Science>Biology>Heredity and Evolution>Theory of Evolution

Statement I: The existence of deleterious genes within the populations is called genetic load.
Statement II: The changes in the frequency of a gene that occurs merely by chance in small populations is called genetic drift.

The correct option among the following is

EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
Descent of man & selection in relation to sex was written by ___.
HARD
Science>Biology>Heredity and Evolution>Theory of Evolution
What is Hardy-Weinberg equilibrium? Write the equation and name the factors affecting Hardy-Weinberg equilibrium.
EASY
Science>Biology>Heredity and Evolution>Theory of Evolution
"Struggle for existence" in the natural selection theory was given by
HARD
Science>Biology>Heredity and Evolution>Theory of Evolution
Write salient features of Darwin's theory of Evolution