Origin Of Life And Biological Evolution Test

Origin Of Life And Biological Evolution

This is online test 02 for CBSE class 12 Biology Evolution (Origin of life and biological evolution).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
Jurassic period of the Mesozoic era characterized by
  • A
    Flowering plants and first dinosaurs appear
  • B
    Dinosaurs become extinct and angiosperms appear
  • C
    Radiation of reptiles and origin of mammal like reptiles
  • D
    Gymnosperms are dominant plants and first birds appear
    Correct
2
Organic compounds first evolved in earth required for origin of life were
  • A
    Proteins and amino acids
  • B
    Proteins and nucleic acids
    Correct
  • C
    Urea and nucleic acids
  • D
    Urea and amino acids
3
The experiment to show the production of mice in 21 days from a dirty shirt placed in Contact with kernels of wheat was carried out by ______.
  • A
    Louis Pasteur
  • B
    Francesco Redi
  • C
    Aristotle
  • D
    Jean Baptiste Van Helmont
    Correct
4
Which of the following bird will be called most successfully evolved?
  • A
    Lays 9 eggs, 9 hatch and 3 reproduce
  • B
    Lays 5 eggs, 5 hatch and 5 reproduce
    Correct
  • C
    Lays 10 eggs, 5 hatch and 4 reproduce
  • D
    Lays 2 eggs, 2 hatch and 2 reproduce
5
According to early Greek thinker unit of life called
  • A
    Spores
    Correct
  • B
    Microbes
  • C
    Gammules
  • D
    Consecrates
6
Which of the following are not the examples of analogous structures?
  • A
    Tendril of Lathyrus and tendril of Gloriossa
  • B
    Wings of bat and forelimb of cattle
    Correct
  • C
    Wings of bat and butterfly
  • D
    Thorn and spine
7
By studying analogous structures we look for ______.
  • A
    Similarities in appearance but differences in functions
  • B
    Similarities in cell make up
  • C
    Similarities in appearance and function but different in structure
    Correct
  • D
    Similarities in organ structure
8
The sequence of origin of life may be considered as ______.
  • A
    \({\text{Chlorophyll}} \to {\text{Nucleic acid}} \to {\text{Amino acid}}\)
  • B
    \({\text{Chlorophyll}} \to {\text{Starch}} \to {\text{Glycogen}}\)
  • C
    \({\text{Amino acid}}\; \to {\text{Protein}}\; \to {\text{Chlorophyll}}\)
  • D
    \({\text{Nucleic acid}}\; \to \;{\text{Amino acid}}\;\; \to \;{\text{Chlorophyll}}\;\)
    Correct
9
Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?
  • A
    They could separate combinations of molecules from the surroundings
    Correct
  • B
    They were able to reproduce
  • C
    They could maintain an internal environment
  • D
    They were partially isolated from the surrounding
10
An important evidence in favour of organic evolution is the occurrence of
  • A
    Homologous and analogous organs
  • B
    Homologous organs only
  • C
    Homologous and vestigial organs
    Correct
  • D
    Analogous and vestigial organs