The central concept of natural selection is the evolutionary

  • change
  • ending
  • relation
  • fitness

The Deoxyribonucleic Acid (DNA) present on the chromosome is responsible for

  • mitosis of cells
  • characteristics of cells
  • location of cells
  • life of cells

The type of crosses in which two traits are studied at a time is called

  • tetra hybrid cross
  • mono hybrid cross
  • dihybrid cross
  • octane hybrid cross

Passing of characters from parents to offsprings is called

  • genetics
  • genes
  • heredity
  • humidity

Where in the nucleosome, DNA is present?

  • above
  • below
  • between
  • under

The change in the traits of species of for generations is called

  • co-dominant evolution
  • organic evolution
  • inorganic evolution
  • dominant evolution

In an individual, the particular combination of genes is called

  • genohype
  • genotype
  • phenotype
  • prototype

The sequence of nucleotides of Deoxyribonucleic Acid (DNA) is decided in the procedure of

  • protein synthesis
  • chromatin synthesis
  • nucleosomes synthesis
  • phosphorus synthesis

Nitrogenous base cytosine of one nucleotide forms pair with

  • thymine
  • adenine
  • guanine
  • cytosine

The term "artificial selection" was coined by Abu Rehyan Beruni in

  • 14th century
  • 11th century
  • 12th century
  • 13th century

DNA consist of strands of

  • dinucleotide
  • trinucleotides
  • polynucleotides
  • Uninucleotide

The allele which is not expressed is called

  • recessive allele
  • dominant allele
  • loci
  • phenotype

The sequence of amino acids (R-CH(NH2)-COOH) of Deoxyribonucleic Acid (DNA) is controlled by the sequence of

  • dominant proteins
  • nucleosomes
  • nucleotides
  • chromatin

Dominant alleles are represented by

  • bold letters
  • italics
  • capital letters
  • lower case letters

What is meant by the term "true-breeding"?

  • same breeding
  • different breeding
  • homozygous
  • heterozygous

The units of inheritance carried by chromosomes are called

  • genes
  • nucleotide
  • oogenesis
  • spermatogenesis

The bonds between thymine and adenine are made of

  • nitrogen
  • hydrogen
  • calcium
  • phosphorus

Darwin proposed the mechanism of organic evolution in

  • 1837
  • 1835
  • 1837
  • 1838

The number of bonds between thymine and adenine is

  • two
  • three
  • four
  • five

The number of chromosomes that are combined in fertilization from each parent is

  • equal chromosomes
  • more chromosomes from male
  • more chromosomes from female
  • inversely counted

In which year Charles Darwin died?

  • 1904
  • 1902
  • 1882
  • 1892

The plant that was selected for Mendel, work

  • corn plant
  • maize plant
  • sugar cane
  • pea plant

In Mendel's experiment, the parental generation of the pea plant is known as

  • G2 generation
  • G1 generation
  • P2 generation
  • P1 generation

The law which states that traits are independently inherited and are different is called

  • law of co-dominance
  • law of segregation
  • law of dependent assortment
  • law of independent assortment

All the instructions for the proper functions of a cell are carried by

  • genes
  • Deoxyribonucleic acid (DNA)
  • chromosomes
  • chromatin

The term homozygous is also called

  • dominant breeding
  • recessive breeding
  • true breeding
  • free breeding

The "Theory of Natural Selection" was proposed in

  • 1852
  • 1848
  • 1845
  • 1838

If two different alleles of a gene pair express themselves completely is called

  • incomplete dominance
  • co dominance
  • complete dominance
  • Recessiveness

Which of the following was selected by Mendel to perform experiments?

  • mosquito
  • pea plant
  • banana plant
  • human

Albinism is an example of

  • dominance
  • Recessiveness
  • incomplete dominance
  • complete dominance
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