MDCAT Past Papers - Biology - NUMS

161. Modification in the organization of the basic pentadactyl limb structure found vertebrates provides good evidence for the principle of:

Adaptive radiation
Convergent evolution
Genetic drift
Inheritance of acquired characters

162. Which of the following is not a part of Darwin theory of evuloution

Organism produce more offspring than the environment can support
Variation arises by genes mutation
Only those individual can survive who are best adapted to environment
Individual compete for resources

163. The organs which are similar in functions but differ in structure are called:

Homologous
Analogous
Convergent organs
Divergent organs

164. Children of a mason do not inherit strong muscles developed by father due to hard labour. This is an example of:

Survival of the fittest
Over production of offspring
Not inheriting acquired characters
Use and disuse of organs

165. Which of the following is a physical relationship of genes present on same chromosomes?

Epistasis
linkage
crossing over
pleiotropy

166. Phenotype for both TT and Tt is tall, so the allele T is known as:

Dominant
Recessive
Homozygous
Heterozygous