Organism arise from existing forms by genetic variations is called_________________?

Related Mcqs:

1. The slow process by which new types of organisms arise from existing forms by genetics variation is called_______________________?

   A. Genetics B. Mutation C. Evolution D. Polyploidy...

2. A genetic element which can exist in more than one of the two alternative forms is known as__________________?

   A. Episome B. Disome C. Mecrosome D. Peroxisome...

3. Hereditary variations in plants have been produced by the use of________________?

   A. DDT B. X-rays C. Gibberrellic acid D. Auxins...

4. Organic evolution through large discontinuous variations was propound by__________________?

   A. Mendel B. Darwin C. Huge and Vnes D. Lamak...

5. Colour changes leading to brown, grey and other in fresh and cured meat can be arise from_____________________?

   A. Biochemical changes B. Physical changes C. Microbial activity D. enzyme activity...

6. High values of genetic advance are indicative of____________________?

   A. Dominance gene action B. Additive gene action C. non-additive gene action D. Partial dominance gene action...

7. DNA is genetic material was first discovered by____________________?

   A. Attmann (1889) B. Crick (1953) C. Sressler (1968) D. Avery et al (1944)...

8. Who coin the term genetic load _____________?

   A. Hardy (1908) B. Muller (1950) C. Ford (1940) D. Satisbury (1940)...

9. One of the following is not an advantage of genetic engineering___________________?

   A. Microbes act as biological factories B. Improvement of crop can take place C. The gene pool is maintained D. Genetic error can be rectified...

10. The mechanism ensuring genetic continuity in mitosis is____________________?

    A. Formation of two daughter cells with identical DNA B. Crossing over of the genes C. Halving of chromosome nuriber between two daughter cells D. Segregation of maternal and paternal characters...