Related Questions
Which type of growth living organism undergoes?
Reversible
Apical
Accretion
Intussusception
Which of the following statement describes that natural selection is not analogous to artificial selection
Natural selection picks the fits organism, whereas in artificial selection, the breeder decide which organism will breed
Natural selection depends upon the presence of variation while artificial selection do not
Natural selection occurs within the population but it is not mendatory in case of artificial selection
There is a limit of changes that can be brought by natural selection but no such limit exists for artificial selection
Organic evolution meansS
Cumulative change of living population
Progressive development of an organ
Development of different races
History of human races
Which of the following statements is true regarding the early forms of life on Earth?
The earliest organisms were likely anaerobic, and the first autotrophs were chemoautotrophs that did not release oxygen.
The earliest organisms were aerobic, and the first autotrophs were photoautotrophs that released oxygen.
The earliest organisms were anaerobic, and the first autotrophs were photoautotrophs that released oxygen.
The earliest organisms were aerobic, and the first autotrophs were chemoautotrophs that did not release oxygen.
Which observation provides evidence against Lamarck's theory of evolution?
Organisms can adapt to their environment.
Evolution occurs over long periods.
Traits acquired during an organism's lifetime are generally not passed on to offspring.
Fossil records show changes in species over time.
The theory of pangenesis was rejected due to the acceptance of
Spallanzani theory of biogenesis
Richter theory of cosmozoic
Cuvier theory of catastrophism
Weismann theory of germplasm
What does 'survival of the fittest' mean in the context of evolution?
The strongest individuals always survive.
Individuals best adapted to their environment are more likely to survive and reproduce.
Only the fastest individuals survive.
The largest individuals in a population are the most fit.
Which of the following situation would most likely result in the highest rate of natural selection?
Reproduction by asexual method
Low mutation is an stable environment
Little competition
Reproduction by sexual method
According to the Neo-Darwinian theory, which of the following is responsible for the origin of new species?
Mutations
Useful variations
Mutation together with natural selection
Hybridization
The result of Miller’s experiments were discussed in the book ‘The Planets’ written by
Sayere
Harold Urey
Huxley
Stanley
