Evolution

Which evolutionary phenomenon is depicted by the sketch given in figure?

Which one of the following options gives one correct example each of convergent evolution and divergent evolution?

Genetic drift

Match the hominids with their correct brain size: Column - I Column - II $\left(a\right)\mathrm{}$ Homo habilis $\left(i\right)\mathrm{}$ 900 cc $\left(b\right)\mathrm{}$ Homo neanderthalensis $\left(ii\right)$ 1350 cc…

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Forelimbs of human and bats are homologous. Reason R : Forelimbs of humans and bats have similar…

Which of the following is not evidence for evolution ?

In a population of $1000$ moths, $450$ moths were brown-colored with homozygous genotype and $350$ albino moths that were homozygous for the recessive allele. Assuming random mating within the population, the frequency…

Scientists find a gene $P$ that helps human peripheral neurons to sense temperature less than $13^{\circ} \mathrm{C}$ and induce a physiological signal of avoidance. This gene is present in almost all vertebrates.…

Increased application of pesticides and insecticides has been shown to increase the occurrence of resistant varieties of pests and pathogens. What could be the probable reasons for the rapid evolution of resistant…

Assertion: Interspecific competition is the only potent force in organic evolution. Reason : Unexceptionally two closely related species competing for the same resources cannot co-exist indefinitely.

The correct sequence of stages in the evolution of modern man (Homo sapiens), is

Assertion: Darwin's finches are a classical example of natural selection. Reason : Darwin explained that the difference in size and shape of the beaks of the species was a result of the adaptation of the species to…