The seed in which reserve food is present in the perisperm
(a) A capsicum flower has 240 ovules in its ovary . But , it produces a fruit with only 180 viable seeds. Explain giving a reason that could be responsible for such a result. (b) Describe the development of an endosperm in a viable seed. Why does endosperm development precedes embryo development ? (c) Give an example of an angiosperm seed that has a perisperm . Name the part the perisperm develops from.
Which of these retain the perisperm?
Differentiate between perisperm and endosperm giving one example of each
Read the following statements and find out the incorrect statements. a. The placenta is located inside the locule. Arising from the placenta are the ovules. b. The number of ovules in an ovary may be one (papaya, watermelon and orchids) to many (wheat, paddy and mango). c. Each ovule has one or two protective envelops called integuments. d. Integuments encircle the ovule except at the tip where a small opening called the chalaza is organised. Opposite the chalaza is the micropylar end. e. Enclosed within the integuments is a mass of cells called the perisperm.
