EASY
Earn 100

Define microevolution.

Important Questions on Evolution

MEDIUM
According to Hugo de Vries, the mechanism of evolution is
EASY

Identify the word pair relation and fill the blanks,

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

EASY
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)
MEDIUM
The bill sizes in a bird species of seed crackers from West Africa shows a bimodal distribution. Their most abundant food sources are two types of marsh plants that produce hard and soft seeds, consumed preferentially by the large and small billed birds, respectively. This bimodal distribution of bill sizes is a likely consequence of
MEDIUM
Explain three features of mutation theory.
EASY
Who coined the term ''Mutation''? Explain the origin of new species by Lamark theory.
EASY
In a population of plants, some were extremely tall and the remaining were extremely dwarf. No plants of the population showed intermediate height. The type of operation of natural selection in the above case is
MEDIUM
Explain the three types of natural selection.
EASY
Differentiate between natural selection and artificial selection
HARD
Briefly describe Sewall-Wright effect.
HARD
What is Hardy-Weinberg equilibrium? Write the equation and name the factors affecting Hardy-Weinberg equilibrium.
HARD
State the Hardy-Weinberg’s principle. Explain briefly the algebraic equation of p2+2pq+q2 =1 on the basis of principle.
HARD
Bring out the differences between Darwinism and Neo-Darwinism.
MEDIUM
Differentiate between allopatric and sympatric species.
EASY
Variations as proposed by Darwin are
MEDIUM
Who worked on poky strain of Neurospora
MEDIUM
What causes speciation according to Hugo de Vries?