General Biology 2 (Easy)

Which enzyme is responsible for joining together the ends of DNA fragments during the creation of recombinant DNA molecules in genetic engineering?

• DNA polymerase

• DNA endonuclease

• DNA ligase

• DNA combination

Which of the following pairs are considered as homologous structures?

• Bat wings and bird wings

• Whale flipper and human arm

• Fish tail and lizard tail

• Frog leg and grasshopper leg

Which of the following taxonomic group contains the greatest number of organisms?

• Family

• Order

• Class

• Phylum

He stated that local catastrophic events like flood or drought can be seen on different strata of rocks.

• Georges-Louis Leclerc, Comte de Buffon

• Charles Darwin

• George Cuvier

• James Hutton

The evolution of first eukaryotes took place due to what phenomenon?

• Great oxygenation event

• Late heavy bombardment

• Cambrian explosion

• Carboniferous rainforest collapse

The abundance of gymnosperms like ferns and conifers became dominant in what era?

• Paleozoic

• Mesozoic

• Cenozoic

• Phanerozoic

The gene for producing toxins against corn borers and larvae inserted in Bt corn and Bt eggplant came from

• Escherichia coli

• Bacillus thuringensis

• Leucinoides moths

• Lactobacillus sp.

An extensive calendar timeline of events and changes that have occurred throughout Earth's history.

• Fossil records

• Geological Time Scale

• Theory of Evolution

• Big Bang Theory

Random fluctuations or changes in allele and genotype frequencies across generations especially in smaller populations is called

• Gene flow

• Natural selection

• Genetic drift

• Random mating

Darwin boarded which vessel that paved way for this ideas on natural selection?

• The Voyager

• Galapagos Express

• The Amazon Seal

• HMS Beagle