Members belonging to the same biological species are potentially able to:
1. compete with members of other species only
2. express all the same genes in all their cells
3. breed with members of other biological species
4. interbreed and produce fertile offspring

Flowering plants (angiosperms) first appeared during :
1. Paleozoic era
2. Carboniferous period
3. Cretaceous period
4. Cenozoic era

Species formation without branching of the evolutionary line of descent is called as:
1. anagenesis, or phyletic evolution
2. cladogenesis, or divergent evolution
3. convergent evolution
4. allopatry

In which of the following groups of organisms is the sympatric speciation most likely to occur?
1. amphibians
2. arthropods
3. plants
4. birds

The wings of an insect and the wings of a bird are examples of:

The first mammals arose in the _____ period:
1. Carboniferous
2. Jurassic
3. Cretaceous
4. Triassic

Which theory, regarding the origin of life, is alternatively also called “panspermia”?

Population that experience genetic drift most commonly are:
1. isolated
2. small in number
3. mobile
4. closely adapted to their environment

The genetic drift is also called as :
1. Sewall-wright effect
2. Hardy-Weinberg equilibrium
3. Balanced polymorphism
4. Gene flow

Both Charles Darwin and A.R.Wallace were influenced by the:
1. writings of J.B.S.Haldane on the origin of life
2. findings of Urey and Miller experiments
3. findings on the Galapagos Islands
4. essay on human population by T.R.Malthus