181.

What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?

• Shortening of jaws

• Binocular vision

• Increasing cranial capacity

• Increasing cranial capacity

The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was

• Homo habilis

• Neanderthal human

• Cro-magnon humans

• Cro-magnon humans

If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complentary RNA strand sequence?

• TTAGU

• UAGAC

• AACTG

• AACTG

In a population of 1000 individuals 360 belongs 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

• 0.4

• 0.5

• 0.6

• 0.6

Forelimbs of cat, lizard used in walking forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of 

• analogous organs

• adaptive radiation

• homologous organs

• homologous organs

Which one of the following are analogous structures?

• Wings of bat and wings of pigeon

• Gills of prawn and lungs of man

• Thorns of Bougainvillea and tendrils of Cucurbita

• Thorns of Bougainvillea and tendrils of Cucurbita

Which of the following had the smallest brain capacity?

• Homo erectus

• Homo sapiens

• Homo neanderthalensis

• Homo neanderthalensis

A population will not exist in Handy - Weinberg equilibrium if

• individuals mate selectively

• there are no mutations

• there is no migration

• there is no migration

What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors? 

• shortening of jaws

• Binocular vision

• Increasing brain capacity 

• Increasing brain capacity 

Darwin's finches are a good example of 

• industrial melanism

• connecting link

• adaptive radiation

• adaptive radiation