Free MCQs & Online Quiz Practice for Exams

Q: A cross between F1 hybrid with either of parents is called: (2007 ETEA)

A) Back cross

B) Test cross

C) Reverse cross

D) None of them

Q: Who is considered to be the father of Genetics? (2007 ETEA)

A) Weisman

B) Bateson

C) Mendel

D) Morgan

Q: If red and white colour flowers in Mirabilis jalapa are crossed, the F1 generation will show: (2008 ETEA)

A) All red

B) All white

C) All pink

D) 1 red 2 pink 1 white ratio

Q: In which case the genotypic and phenotypic ratio will be 1:2:1: (2008 ETEA)

A) Complete dominance

B) Incomplete dominance

C) Co-dominance

D) None of them

Q: Which one of the following characteristics in man is controlled by a recessive gene? (2008 ETEA)

A) Tongue rolling

B) Diabetes

C) Skin colour

D) Eye colour

Q: The term gene was used by: (2010 ETEA)

A) Johannsson

B) Correns

C) Tschermak

D) Purkinje

Q: If father of a baby is hemophilic and mother is carrier, then chances of the baby inheriting the disease will be: (2010 ETEA)

A) 0%

B) 50%

C) 75%

D) 100%

Q: A Punnett square is used to determine the: (2011 ETEA)

A) Result of mitosis

B) Result of meiosis

C) Actual outcome of a cross

D) Probable outcome of a cross

Q: A woman is homozygous for A-negative blood type. A man has AB-negative blood type. What is the probability that the couple's child will be type B-negative? (2011 ETEA)

A) 0%

B) 25%

C) 50%

D) 75%

Q: A cross between dissimilar individuals to bring together their best characteristics is called: (2012 ETEA)

A) Genetic engineering

B) Hybridization

C) Inbreeding

D) Sequencing

Q: An individual with contrasting alleles is called: (2012 ETEA)

A) Homozygous

B) Monoecious

C) Heterozygous

D) Dioecious

Q: How many genotypes will be produced by crossing of two alleles A and a? (2012 ETEA)

A) One

B) Two

C) Three

D) Four

Q: A single ovum of human being contains: (2012 ETEA)

A) X-chromosome

B) XX-chromosomes

C) YY-chromosomes

D) XY-chromosomes

Q: In the dihybrid cross, how many homozygous offspring can be produced? (2012 ETEA)

A) 4

B) 3

C) 2

D) 9

Q: In human beings, the carrier of colour blindness is: (2012 ETEA)

A) Male

B) Female

C) Both male and female

D) None of them

Q: Hemophilia affects males more than females because of: (2012 ETEA)

A) Dominant autosomes

B) Dominant X-linked

C) Recessive X-linked

D) Y-chromosome linked

Q: A Test Cross is: (2012 ETEA)

A) Tt × Tt

B) Tt × tt

C) TT × Tt

D) TT × TT

Q: Organisms phenotypically similar but genotypically different are said to be: (ETEA-Mas)

A) Monozygous

B) Homozygous

C) Heterozygous

D) Multizygous

Q: Which blood group transfusion can be made without risk? (ETEA-Mas)

A) Group A to group B

B) Group AB to group O

C) Group A to group O

D) Group B to group AB

Q: In which of the following the phenotypic and genotypic ratio is the same: (2013 ETEA)

A) Co-dominance

B) Over dominance

C) Epistasis

D) Incomplete dominance