DNA, Genes & Genetics MCQs with Answers

Germ cells in vertebrate gonads are produced by ?

• A.Mitosis only
• B.Meiosis only
• C.Mitosis and Meiosis
• D.Binary fission

The chromosome number in potato is?

• A.46
• B.48
• C.44
• D.50

A group of genetically similar organisms obtained by asexual reproduction is called _?

• A.Fertilization
• B.Mutation
• C.Hybridization
• D.Cloning

Evolution of Homo sapiens is an example of ?

• A.Microevolution
• B.Artificial selection
• C.Macroevolution
• D.Genetic drift

Which may add new genetic material to established gene pool of a population?

• A.Mutation
• B.Genetic drift
• C.Natural selection
• D.Immigration

Accumulation of deleterious mutations in a population that gradually declines viability of individuals is called?

• A.Genetic drift
• B.Inbreeding depression
• C.Founder effect
• D.Mutational meltdown

Name the idea of Darwin that best explains the ability of populations to reproduce those individuals who possess beneficial traits?

• A.Natural selection
• B.Genetic drift
• C.Artificial selection
• D.Inheritance of acquired characters

Which of the following techniques are used for gene editing in plants?

• A.CRISPR-Cas9
• B.PCR (Polymerase Chain Reaction)
• C.Gel Electrophoresis
• D.ELISA

The DNA molecule to which the gene of interest is integrated for cloning is called _?

• A.Carrier
• B.Plasmid
• C.Clone
• D.Vector

James Watson was awarded the Nobel Prize for his discovery of:

• A.DNA Structure
• B.Penicillin
• C.Vaccination
• D.Blood Circulation