Which of the statements is correct about Gas chromatography?

TLS Online TPP Program

#Question id: 29035

#Unit 9. Evolution & Diversity of Life Forms

A trait can evolve by sexual selection if it increases a male’s overall fitness two component such as survival and reproductive ability, but if it decreases survival that leads to___

TLS Online TPP Program

#Question id: 29036

#Unit 9. Evolution & Diversity of Life Forms

Darwin’s hypothesis is that Exaggerated secondary sexual traits are favoured by sexual selection because they increase male mating success but more than higher exaggeration secondary sexual traits that leads to___ 

TLS Online TPP Program

#Question id: 29037

#Unit 9. Evolution & Diversity of Life Forms

Selection Favors mating displays that maximize a male’s lifetime fitness, which of the following is correctly representing to the graph;

TLS Online TPP Program

#Question id: 29038

#Unit 9. Evolution & Diversity of Life Forms

Which one or more of the following is prediction or assumption of the handicap principle for the evolution of sexual signals?

I- Females prefer costly signals

II- Costly signals are reliable indicators of signaller quality

III- Honest signals are costly to produce.

IV- Males displaying costly signals are not chosen by females

TLS Online TPP Program

#Question id: 29039

#Unit 9. Evolution & Diversity of Life Forms

Four different mating strategy of male and female, Select the appropriate combination which belong to A, B, C and D in figure;

TLS Online TPP Program

#Question id: 29040

#Unit 9. Evolution & Diversity of Life Forms

Select the correct match given table;

Parental investment	Mate selection	Competition & variance of fitness
1. Female > Male	(i) Male choosy sex	(a) More in female
2. Female < Male	(ii) Female choosy sex	(b) Equal in both sex
3. Female = Male	(iii) Equal degree of mate choice	(c) More in female