Hybrid vigour is mostly due to
Homozygosity of pure characters
Superiority of all the genes
Heterozygosity
Mixing up of cytoplasm of the male with that of female
Additional Questions
|
Heterosis means |
Answer |
|
The emasculation of flower buds is achieved by removing |
Answer |
|
In which crops is the method of mass selection applied |
Answer |
|
In order to obtain disease-free plants through tissue culture techniques, the best method is |
Answer |
|
Holy basil is |
Answer |
|
Consider the following statements (A-D) about organic farming (A) Utilizes genetically modified crops like Bt cotton (B) Uses only naturally produced inputs like compost (C) Does not use pesticides and urea (D) Produces vegetables rich in vitamins and minerals Which of the above statements are correct? |
Answer |
|
The dividing and undifferentiated cells are known as |
Answer |
|
A germplasm collection is a |
Answer |
|
Desired improved varieties of economically useful crops are raised by |
Answer |
|
Aims of plant breeding are to produce |
Answer |