A. DDT
B. X-rays
C. Gibberrellic acid
D. Auxins
Related Mcqs:
- After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?
A. Heterogeneous
B. Heterozygous
C. Homogenous
D. Homozygous - Linkage of hereditary units was discounted by__________________?
A. W. Batson and B.C Pun net
B. T.B. Morgan and G. Mendel
C. W.S. Sutton and K. R. Porter
D. C.B. Bridges and G.H. Shull - The branch of science which deals with hereditary variation is called___________________?
A. Genetics
B. Embryology
C. Biology
D. Histology - Organism arise from existing forms by genetic variations is called_________________?
A. Mutation
B. Genetics
C. Genetics
D. Hybridization - Organic evolution through large discontinuous variations was propound by__________________?
A. Mendel
B. Darwin
C. Huge and Vnes
D. Lamak - Haploid plants have been produced by another culture in tomato by_________________?
A. Greshof and Doy (1972)
B. Tyagi and Prasad (1965)
C. Mehta and Upadhya (1960)
D. Singh (1960) - From a single ear of corn a farmer planted 300 kernels which produced 225 tall and 75 short plants. the genotype of these offsprings are most likely to be_____________________?
A. TT and Tt only
B. TT and tt only
C. Tt and Tt only
D. TT Tt and tt - Previously Essential nutrients required for the growth of plants were sixteen. In recent time the essential nutrients required for the growth of plants are:_________?
A. 16
B. 17
C. 18
D. None of the aboveSubmitted by: Shafiq Rehman
- Drought is measured in terms of________________?
A. Yield performance
B. Photosynthesis
C. Root length of seedings
D. All the above - Cataracts, a form of impaired vision in which the lens of eye become opaque in old age is caused due to the deficiency of________________?
A. Ascorbic acid
B. Tannins
C. Folic acid
D. None of the above
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