NEET Zoology Evolution Class 12 Questions
43 questions
Who is known as the Darwin of 20^{th} Century?
In his simulating experiment, S.L. Miller created similar conditions by using electrical discharge in a closed flask containing
Match column I with column II
Tasmanian wolf and placental wolf appear similar due to
Select the odd one w.r.t. homologous organs.
The reaction of an ‘unknown’ in the classification of animals is equivalent to which hierarchical level in classification of plants?
Ontogeny is recapitulation of phylogeny is given by
Tasmanian wolf and placement wolf appear similar due to
Which of the following is not an example of convergent evolution?
Evolution of human appears parallel to the progressive development of brain and language skills. As such, the evolution of individual species in the sequence of their appearance is:
Sweet potato and potato represent a certain type of evolution. Select the correct combination of terms to explain the evolution.
Given below are some stages of human evolution. Arrange them in correct sequence. (Past to Recent) A. Homo habilis B. Homo sapiens C. Homo neanderthalensis D. Homo erectus Choose the correct sequence of human evolution from the options given below :
The flippers of the Penguins and Dolphins are the example of the
Which one of the following factors will not affect the Hardy-Weinberg equilibrium?
Match List I with List II:
Select the correct group/set of Australian Marsupials exhibiting adaptive radiation.
Natural selection where more individuals acquire specific character value other than the mean character value, leads to:
Which of the following statements is not true? (A) Homology indicates common ancestry (B) Flippers of penguins and dolphins are a pair of homologous organs (C) Analogous structures are a results of convergent evolution (D) Sweet potato and potato is an example of analogy
The factor that leads to Founder effect in a population is:
Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?
Match List - I with List - II.
Flippers of Penguins and Dolphins are examples of:
Embryological support for evolution was disapproved by:
Snow-blindness in Antarctic region is due to:
In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?
Match the hominids with their correct brain size:
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?
Among the following sets of examples for divergent evolution, select the INCORRECT option.
The similarity of bone structure in the forelimbs of many vertebrates is an example of
According to Hugo de Vries, the mechanism of evolution is
Artificial selection to obtain cows yielding higher milk output represents
Which of the following structures is homologous to the wing of a bird?
Following are the two statements regarding the origin of life: (i) The earliest organisms that appeared on the earth were non-green and presumably anaerobes. (ii) The first autotrophic organisms were the chemoautotrophs that never released oxygen. Of the above statements which one of the following options is correct?
Which of the following had the smallest brain capacity?
A population will not exist in Hardy-Weinberg equilibrium if
Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are examples of
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
Which one of the following are analogous structures?
A location with luxuriant growth of lichens on the trees indicates that the
Random unidirectional change in allele frequencies that occur by chance in all populations and especially in small populations is known as :-
Genetic variation in a population arises due to :-
Dinosaurs dominated the World in which of the following geological era?
The finch species of Galapagos Islands are grouped according to their food sources. Which of the following is not a finch food?