Evolution (Zoology)

Evolution (Zoology)

Easy Questions

Advanced Zoology

Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Human Reproduction
Human Health and Disease
Biotechnology Principles and Processes
Biomolecules (Zoology)
Evolution (Zoology)
Biotechnology and its Applications
Reproductive Health
  1. Which one of the following sequences was proposed by Darwin and Wallace for organic evolution?








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    According to Darwinism there is differential reproduction, followed by struggle for existence, suitable variations are selected by nature-natural selection.

    Correct Option: B

    According to Darwinism there is differential reproduction, followed by struggle for existence, suitable variations are selected by nature-natural selection.

  1. In recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes were considered for the study of human evolution, because








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    they are uniparental in origin and do not take part in recombination

    Correct Option: C

    they are uniparental in origin and do not take part in recombination

  1. Diversification in plant life appeared








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    According to Darwin gradual accumulation of small variations gives rise to new species. Abrupt mutations do not give rise to new species. Plants arose by gradual adaptation to diverse habitats and not suddenly on earth. Seeded plants are just one group in the plant kingdom.

    Correct Option: A

    According to Darwin gradual accumulation of small variations gives rise to new species. Abrupt mutations do not give rise to new species. Plants arose by gradual adaptation to diverse habitats and not suddenly on earth. Seeded plants are just one group in the plant kingdom.

  1. According to Oparin, which one of the following was not present in the primitive atmosphere of the earth








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    According to Oparin, the atmosphere of primitive earth was reducing because its atoms were most numerous and most reactive. Free oxygen was not present in significant amount. Large quantities of H2, N2, water vapour, CO2, CH4 and NH3 were present.

    Correct Option: B

    According to Oparin, the atmosphere of primitive earth was reducing because its atoms were most numerous and most reactive. Free oxygen was not present in significant amount. Large quantities of H2, N2, water vapour, CO2, CH4 and NH3 were present.

  1. Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example.








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    Animals resist predation by cryptic coloration deceptive marking, behavioural defenses and possession of mechanical or chemical defenses. Examples are colour change in Chameleon Enlargement of body size by swallowing air in potter fish, Melanism in moths.

    Correct Option: C

    Animals resist predation by cryptic coloration deceptive marking, behavioural defenses and possession of mechanical or chemical defenses. Examples are colour change in Chameleon Enlargement of body size by swallowing air in potter fish, Melanism in moths.