You have heard about several insectivorous plant that feed on insects. Nepenthes or the pitcher plant is one such example which usually grows in shallow water or in marsh lands. What part of the plant is modified into a 'pitcher'. How does this modification help the plant for food even though it can photosynthesisie like any other green plant?

2

(a)

Describe the structure of a fruit with the help of a diagram.

2

(a)

Name of the ornamental plants of lily family 

2

(a)

Explain the following floral formula and to which it belongs \(Ebr\oplus \ { K }_{ 2+2 }{ C }_{ 4 }{ A }_{ 2+4 }{ G }_{ (\underset { - }{ 2 } ) }\)

2

(a)

How will you show the monocarpellary and unilocular condition of gynoecium of Lathrus odoratus (sweet pea)?

2

(a)

Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or a dicot stem? Give reasons.

2

(a)

Why are xylem and phloem called complex tissues?

2

(a)

Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.

2

(a)

Name two functions of collenchyma

2

(a)

Name one plant product through which we use phloem fibres commercially.

2

(a)

In a typical leaf what kind of cells are usually present in m.esophull?

2

(a)

Write components of a stele.

2

(a)

What is the role of cork cambium?

2

(a)

Make a flow chart of classification of plant tissues.

2

(a)

What is the function of lenticels in woody trees?

2

(a)