Principles and Processes of Biotechnology. — BIO BOTANY STD 12 — Question

Anemophilous flowers produce abundant pollen grains. Give reason.

A plant breeder developed hybrid sugarcane by grafting two different varieties with desirable characters. The resultant hybrid showed excellent growth and productivity with increased sucrose content compared to its parental forms.

1. What does this phenomenon refer to?
2. How this condition can be maintained through further generation?

What are extra nuclear inheritance?

Why plant Breeding is carried out by farmers and scientists?

What is Nucellus?

Name any two extranuclear inheritance.

Name the movement launched by the people of Mandal village to protect the trees by hugging them.

Name the two inherent capacity responsible for cellular totipotency.

Distinguish between In-situ conservation and Ex-situ conservation.

Define acclimatization.