Rohan saw Mr. Sharma collecting different plant specimens. He was confused to see him doing this collection and approached him asking about it.
Mr. Sharma told him that he will cross different plant specimens in his laboratory for obtaining better varieties of plants.
(i) Why is he interested in such experiments?
(ii) Name this technique.
(iii) What precautions he should take while applying this technique?
(iv) What values are shown by Rohan?

Neha goes to her native place in Kerala. She sees number of banana trees in her house garden. But she was surprised to see no seeds anywhere.
(i)How does a plant of banana grow without seed?
(ii) Is there any difference in the nutritional value?

Once Mohan took his friend to his grandfather's orchard. There at some places they saw that some of the flowers were covered with polybags and tied. They started wondering to see it and asked the caretaker as to why it had been done. The care taker told them about the technique of artificial hybridization.
(i) Why is artificial hybridization done?
(ii) Why are the flowers covered with polybags ?
(iii) What values were exhibited by the caretaker, Mohan and his friend?

Sheela went to the garden and saw that some flowers of a plant were not open but they were closed. She thought that these flowers must be in their bud stage and will open after some time. But she was surprised to see that all the flowers of that plant were closed and move of them opened. She was at a loss to understand it and therefore asked her teacher about it. Answer the following questions:
(i) Are there some plants which bear flowers that never open? Give example.
(ii) What are such flowers called?
(iii) How are such plants pollinated? Explain.
(iv) What values are exhibited by Sheela?

Kanchan went to a garden and saw some flower which were closed.She assumed that those flowers must be buds.But she was astonished to see that all the flower were closed and neither of them were open.
She was confused and asked her queries to her teacher.
(i)What do you think,are there any plants with closer flower?Give an example
(ii)Are such plants pollinated?Explain.
(iii)What are such flowers/plants called?
(iv)What values are shown by Kanchan?