MEDIUM
Earn 100

Describe the process of microevolution.

Important Questions on Organic 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)
EASY
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by:
MEDIUM
Explain three features of mutation theory.
EASY
Who coined the term ''Mutation''? Explain the origin of new species by Lamark theory.
MEDIUM

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

MEDIUM
Explain the three types of natural selection.
EASY
Differentiate between natural selection and artificial selection
HARD
Artificial selection to obtain cows yielding higher milk output represents
HARD
What is Hardy-Weinberg equilibrium? Write the equation and name the factors affecting Hardy-Weinberg equilibrium.
HARD
A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the Population?
EASY
A population will not exist in Hardy-Weinberg equilibrium if:
HARD
In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa, and the remaining 160 to aa, Based on this data, the frequency of allele A in the population is:
MEDIUM
Which one of the following factors is not included in the 'Modern Synthetic theory' of evolution?
MEDIUM
Assertion (A): Founder effect is a type of genetic drift
Reason (R): The change in the frequency of a gene that occurs merely by chance and not by selection, in very large population, is called genetic drift
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.