A farmer grows cucumber plants in his field. He wants to increase the number of female flowers in them. Which plant growth regular can be applied to achieve this?

A farmer wants to construct a circular well and a square garden in his field. He wants to keep sum of their permeters fixed. The prove that the sum of their area is least when the side of a square garden is double the radius of the circular well. Do you think good planning can save energy, time and money.

Does the growth pattern in plants differ from that in animals? Do all the parts of plant grow indefinitely? If not, name the regions of plant, which can grow indefinitely.

Nitrogen fertilizers are commonly used to promote the growth of plants and boost the crop yield. As a student of chemistry, can you suggest a farmer whether he should use excess nitrogen fertilizers to get maximum yield or not ?

MULTIPLE CHOICE QUESTIONS(MCQs): (From AIPMT & Other Competitive Examinations) A few plants exhibit unusual flowering phenomenon, which of them flower only once in their life time generally after 50-100 years, produce large number of fruits:

Observe the flowers on following plants , Cucumber, Mango, Peepal, Papaya, Onion, Lobia, Cotton, Tobacco, Rose, Lemon, Eucalyptus, Banana. Try to find out the animals which visit them and whether they could be pollinators?