Sexual dimorphism (SD) is a pattern that is seen throughout the animal kingdom and differences between the sexes in coloration are common in many organisms. Following some statement are given

A) There are many mechanisms that drive the evolution of SD, the most accepted mechanism being sexual selection

B) Mate choice is an important proximate mechanism of sexual selection, often the sex with the higher reproductive investment is the ‘choosy’ sex

C) Larger species are more sexually dimorphic than smaller species

D) Terrestrial species tend to be more sexually dimorphic than arboreal species

Which of the following above statement is correct?

Which one of the following is correct?

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#Question id: 3304

#Section 2: Evolution

Which of the following evolutionary processes played an important role in the establishment of resource consumer interaction?

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#Question id: 3305

#Section 2: Evolution

Co-evolution is related to

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#Question id: 3306

#Section 2: Evolution

Death feigning behaviour (i.e., pretending to be dead when attacked) is found in snakes and millipedes. This similarity in behaviour between snakes and millipedes is an example of

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#Question id: 3307

#Section 2: Evolution

Which of the following conditions is not necessarily be fulfilled to trigger natural selection

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#Question id: 3308

#Section 2: Evolution

Consider a single locus with 3 alleles which are at Hardy- Weinberg equilibrium. If the frequency of all homozygous genotypes is 0.54, what is the frequency of allele in population?

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#Question id: 3309

#Section 2: Evolution

In a given population, 128 out of every 400 people has a carrier for recessive allele b that caused cancer in homozygous condition,  Assuming the population is in Hardy- Weinberg equilibrium, which of the following is the expected frequency of allele B and b in population respectively?