Free Evolution MCQs with Answers

• A. Anatomy
• B. Biology
• C. Geology
• D. Zoology

Explanation: Biology is the scientific study of living organisms, including their structure, functions, reproduction and relationships.

• A. Cnidaria
• B. Porifera
• C. Mollusca
• D. Nematodes

Explanation: The spongocoel is the central cavity of a sponge and is found in members of phylum Porifera.

• A. Earthworm
• B. Euglena
• C. Squids
• D. Star fish

Explanation: The giant squid is regarded as the largest invertebrate, with some species reaching very great lengths and masses.

• A. ecotype
• B. Species
• C. Genus
• D. Order

Explanation: Species, genus and order are formal ranks in the taxonomic hierarchy. An ecotype is a genetically adapted population within a species, not…

• A. Ecology
• B. Cosmology
• C. Exobiology
• D. None of These

Explanation: Exobiology, also called astrobiology, studies life beyond Earth and the effects of extraterrestrial environments on terrestrial organisms…

• A. Mammals
• B. Protochordates
• C. Reptiles
• D. Birds

Explanation: Protochordates do not possess true jaws, whereas mammals, reptiles and birds are jawed vertebrates.

• A. Hetropatric Specie
• B. Allopatric Specie
• C. Homopatric Specie
• D. Astroparic specie

Explanation: Allopatric populations or species occupy different geographical regions and are separated by a physical barrier or distance.

• A. Mutation
• B. Natural selection
• C. Gene flow
• D. Both A & C

Explanation: Mutation creates new alleles, while gene flow can introduce alleles from another population.

• A. 1752
• B. 1753
• C. 1754
• D. 1755

Explanation: Linnaeus published Species Plantarum in 1753, establishing a major standard for binomial naming of plants.

• A. Molluscs
• B. Annelids
• C. Sponges
• D. Cniderians

Explanation: Annelids have a true coelom divided by transverse septa into repeated compartments, matching their segmented body plan.

• A. Botany
• B. Ecology
• C. Social biology
• D. Pharmacology

Explanation: Ecology studies interactions among organisms and between organisms and their physical environment.

• A. Cooksonia
• B. Selaginella
• C. Adiantum
• D. Dryopteris

Explanation: Cooksonia is generally regarded as one of the earliest known vascular land plants, appearing in the Silurian Period.

• A. Autecology
• B. Niche
• C. Ecosystem
• D. Biome

Explanation: A niche is the functional role or occupation of a species, including how it uses resources and interacts with its environment.

• A. Worms
• B. Insects
• C. Jelly fish
• D. None of these

Explanation: Insects are the largest group of invertebrates and are distinguished by jointed appendages, a segmented body and usually three body…

• A. tracheophytes
• B. bryophytes
• C. pteridophytes
• D. all of these

Explanation: Tracheophytes are vascular plants because they possess xylem and phloem for transporting water, minerals, and organic nutrients.

• A. stem tuber
• B. rhizoids
• C. sporangium
• D. none of these

Explanation: Marchantia is a thalloid liverwort whose underside bears rhizoids that anchor the thallus and help absorb water.

• A. Psilopsida
• B. Lycopsida
• C. Sphenopsida
• D. Prteropsida

Explanation: Psilopsida, represented by Psilotum, has a simple leafless sporophyte with naked dichotomously branched stems.

• A. Psilopsida
• B. Lycopsida
• C. Sphenopsida
• D. Prteropsida

Explanation: In Lycopsida, sporangia occur singly on the upper surface of sporophylls, and the sporophylls may be arranged into compact cones called…

• A. Psilopsida
• B. Lycopsida
• C. Sphenopsida
• D. Prteropsida

Explanation: Sphenopsida has reduced, scale-like leaves arranged in whorls around the stem, as seen in Equisetum.

• A. Isotomous
• B. Dichotomously
• C. Trichotomously
• D. Multichotomously

Explanation: Psilophyton has an underground rhizome and an aerial axis that repeatedly divides into two equal branches, a pattern called dichotomous…