Heridity And Variation Test

Heridity And Variation

This is online test 01 for CBSE class 12 Biology Principles of Inheritance and Variation (Heridity and variation).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
The innate tendency of offspring to resemble their parents is called
  • A
    Heredity
    Correct
  • B
    Variation
  • C
    Inheritance
  • D
    Resemblance
2
Monohybrid ratio is
  • A
    3:1
    Correct
  • B
    9:3:3:1
  • C
    9:1
  • D
    9:3:1
3
Genotype is the
  • A
    Expressed genes
  • B
    Trait expressed
  • C
    Genetic combination
    Correct
  • D
    Genetic constitution of the phenotype
4
Who is regarded as the father of genetics?
  • A
    Morgan
  • B
    Watson
  • C
    Bateson
  • D
    Mendel
    Correct
5
Material used for conducting experiments on genetic traits by Mendel was
  • A
    Pisumsativum
    Correct
  • B
    Lathyrusodaratus
  • C
    Mirabilis jalappa
  • D
    Oryza sativa
6
The tendency of offspring to differ from parents is called
  • A
    Variation
    Correct
  • B
    Resemblance
  • C
    Heredity
  • D
    Inheritance
7
The physical expression or appearance of a character is called as
  • A
    Phenotype
    Correct
  • B
    Genotype
  • C
    Morphology
  • D
    Ecotype
8
The alternate forms of a gene is called
  • A
    Alternate gene
  • B
    Recessive character
  • C
    Dominant character
  • D
    Alleles
    Correct
9
Each gametes carry
  • A
    Only one of the alleles
    Correct
  • B
    Only recessive allele
  • C
    All of these
  • D
    Only dominant allele
10
The best method to determine the homozygous and heterozygous of an individual is
  • A
    Back cross
  • B
    Test cross
    Correct
  • C
    Inbreeding
  • D
    Self-fertilization