Scientists have succeeded in recovering healthy sugarcane plants from a diseased one.
Name this technology for crop improvement.

Scientists have succeeded in recovering healthy sugarcane plants from a diseased one. Name the part of the parent plant used as explant by the scientists.

Scientists have succeeded in recovering healthy sugarcane plants from a diseased one. Describe the procedure the scientists followed to recover the healthy plants.

To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/ parts of the disease plant will be taken?

Define artificial selection? Name one example from plants and animals produced by this process?

Name the angiospermic plants having one cotyledon in their seeds.

Write the name of any one disease in crops caused by fungi.

Name one plant and the addictive drug extracted from its latex. How does this drug affect the human body?

Though India now has a large base in science and technology, which is fast expanding, it is still a long way from realising its potential of becoming a world leaderin science. Name some important factors, which in your view have hindered the advancement of science in india.

A farmer harvests his crop and expresses his harvest in three different ways: (a) I have harvested 10 quintals of wheat. (b)1 have harvested 10 quintals of wheat today in one acre of land. (c) I have harvested 10 quintals of wheat in one acre of land after 6 months from sowing. Do the above statements mean one and the same thing. If your answer is yes, give reasons. And if your answer is 'no' explain the meaning of each expression.