A.Continuous variations
B.Orthogenic variations
C.Both (a) & (b)
D.None of these
Related Mcqs:
- Determinate variations are:
- In time study sone variations almost always occur from reading to reading for any element, even if the worker is not attempting to vary his pace. This variation is not caused by the following factors, among others
- Determinate variations are controlled by strong genes or their recombination which are often so strong that the characters continue to develop beyond usefulness, to bearer and ultimately bring extinction of the species. The example of such are:
- Presence of only four digits in hand will be an example of:
- Continuous variations are small variations from one extreme to the other which are always found amongst members on a same species like variations in shape, colour size, weight etc. These were considered heritable and ‘raw materials’ for evolution by:
- There would have been no organic evolution if:
- Sudden changes in characteristics of organism due to chemical changes in their genetic materials are called:
- Mutations are respobsible for bringing:
- An instrument which is used for measuring temperature variations by change in a metallic resistance is called a
- Which of the following statements will be wrong in contest of modern concept of evolution: