Some flowers, selected for artificial hybridisation, do not require emasculation but bagging is essential for them. Give a reason.

Is emasculation required in all kinds of flower.

Given below are events that are observed in an artificial hybridisation programme. Arrange them in correct sequential order in which they are followed in hybridization programme. Re-bagging Selection of parents Bagging Dusting of pollen on stigma Emasculation Collection of pollen from male parent.

Do you justify the statutory ban on amniocentesis in our country? Give reasons.

What are possible types of pollination in chasmagamous flowers. Give reasons.

Why do we require artificial sweetening agents ?

For selection of recombinants, insertional inactivation of antibiotic marker has been superseded by insertional inactivation of a marker gene coding for a chromogenic substrate. Give reasons.

Give reason for the following statement- Artificial gold is an alloy.