Give a reason
Bagging is essential in artificial hybridisation.

Give reason:

Emasculation and bagging are the two important steps carried during artificial hybridisation to obtain superior varieties of desired plants. Explain giving reasons, in which types of flowers and at what stages are the two processes carried out.

Select incorrect statement (w.r.t artificial hybridisation )

Given below are the events that are observed in an artificial hybridisation programme. Arrange them in the correct sequential order and select the correct option. 1. Re-bagging 2.Selection of parents 3. Bagging 4. Dusting the pollen on stigma 5. Emasculation 6. Collection of pollen from male parent

Given below are the events that are observed in an artificial hybridisation programme. Arrange them in the correct sequential order and select the correct option. 1. Re-bagging 2.Selection of parents 3. Bagging 4. Dusting the pollen on stigma 5. Emasculation 6. Collection of pollen from male parent

Assertion : Wounds heal slowly due to vitamin C deficiency . Reason : vitamin C is essential for collgaen formation

Assertion : Artificial insemination is very economical method. Reason : Fewer sperms are required in artificial insemination.

Given below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order in which they are followed in the hybridization programme. (a)re-bagging , (b)selection of parents , (c )bagging , (d)dusting the pollen on stigma , (e)emasculation , (f)collection of pollen from male parent.

What is meant by semipermeable membrane ? Give one example each for natural and artificial membrane.

Give reasons: Addiction is self destructive.