Hardy-Weinberg's Principles Test

Hardy-Weinberg's Principles

This is online test 01 for CBSE class 12 Biology Evolution (Hardy-Weinberg's principles).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
Hardy-Weinberg principle states that allele frequencies in a population are stable and is
  • A
    Constant from generation to generation
    Correct
  • B
    Varies from generation to generation
  • C
    Constant for second generation
  • D
    Constant up to second generation
2
Which one is used for knowing whether or not a population is evolving?
  • A
    Genetic drift
  • B
    Degree of evolution
  • C
    Hardy Weinberg equation
    Correct
  • D
    Proportion between acquired variations
3
Tendrils in plants are an example of
  • A
    Adaptive radiation
  • B
    Convergent evolution
    Correct
  • C
    Divergent evolution
  • D
    Co-evolution
4
Disturbance in genetic equilibrium or Hardy-Weinberg equilibrium in a population is due to
  • A
    Asexual reproduction
  • B
    Sexual reproduction
  • C
    Evolution
    Correct
  • D
    Sterility
5
Which of the following is a source of variation in a population?
  • A
    Differences due to age
  • B
    Inherited genetic traits
    Correct
  • C
    Differences due to health
  • D
    all of them
6
Phenomenon of “Industrial melanism” demonstrates
  • A
    Induced mutation
  • B
    Natural selection
    Correct
  • C
    Reproductive isolation
  • D
    Geographical isolation
7
In nature, the process by which different organisms evolve similar traits is called
  • A
    Convergent evolution
    Correct
  • B
    Divergent evolution
  • C
    Artificial selection
  • D
    Genetic drift
8
In the case of peppered moth (Bistonbetularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of
  • A
    Inheritance of darker colour character acquired due to the darker environment
  • B
    Appearance of the darker coloured individuals due to very poor sunlight
  • C
    Protective mimicry
  • D
    Natural selection whereby the darker forms were selected
    Correct
9
Links between organisms that show branching pattern of evolutionary relationships are shown by
  • A
    Two fossil layers
  • B
    Comparative embryology
  • C
    Living fossils
  • D
    Phylogenetic trees
    Correct
10
Which of the following is not a factor that affects Hardy-Weinberg equilibrium?
  • A
    Migration
  • B
    Vegetative propagation
    Correct
  • C
    Mutation
  • D
    Genetic drift