A typical angiospermic flower consists of four floral parts. Give the names of the floral parts and their arrangement sequentially.

3

(a)

Which structures form gynoecium? How is placenta related to gynoecium? What are its types?

3

(a)

Differentiate between bract and bractole.

3

(a)

Name the type of placentation shown in the given figures and give one example of each.

3

(a)

What is the function of companion cells in phloem?

3

(a)

Differentiate among parenchyma, collenchyma and sclerenchyma.

3

(a)

What is the difference between simple tissue and complex tissue in plants?

3

(a)

What is the difference between open vascular bundle and closed vascular bundle?

3

(a)

What is the difference between monocot and dicot leaves?

3

(a)

Name the components of the formed elements in the blood and mention one major function of each of them.

3

(a)