Practice Questions

TLS Online TPP Program

#Question id: 3301

Following statement is correct regarding convergent evolution.

#Section 2: Evolution

Spreading of species to different and isolated environments which blocks the gene flow among the distinct populations
Flipper of whale and Fin of fish is one example of convergent evolution
Environmental induced force allowed to homologous organ being modified to new function
Sympatric speciation leads to divergence of one species in to two are more descendant species

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TLS Online TPP Program

#Question id: 12322

#Section 1: Ecology

Which of the following could qualify as a top-down control on a grassland community?

TLS Online TPP Program

#Question id: 4721

#Section 2: Evolution

PKU, results from a recessive allele; persons homozygous for this allele, if untreated, exhibit mental retardation, blue eyes, and light skin color. This character categorized as

TLS Online TPP Program

#Question id: 4579

#Section 2: Evolution

About which of these did Darwin have a poor understanding?

TLS Online TPP Program

#Question id: 10648

#Section 2: Evolution

Which statements about K are correct?

I) K varies among populations.

II) K varies in space.

III) K varies in time.

IV) K is constant for any given species.