Unit - 1.1 The Leaf BIOLOGY - Unit - 1.1 The Leaf

Main function of a leaf is to

The flat portion of leaf is called

Veins are present in

Which of the following is a modified leaf ?

Bryophyllum shows vegetative propagation by _____________.

Tiny pores present on the leaf surface are called _____________.

Plants synthesize food by the process of _____________.

In the shoot system, leaves arise from _____________ on the stem.

In pitcher plant, _____________ are modified for trapping insects.

Why are leaves modified into spines in prickly pear ?

Why no seeds are produced by vegetative propagation?

What imparts green colour to a leaf?

Define:Phyllotaxy

Define: Venation

What is vegetative propagation? How does it take place in Bryophyllum.

Write three functions of leaves

Give differences between: Reticulate and parallel venation

Give differences between:
•Simple and compound leaves

Name the following:
(i) A plant with no leaf
(ii) A plant with variegated leaf
(iii) A plant in which leaves are reduced to spines.
(iv) Two plants in which leaves are modified into tendrils.
(v) Three plants are having reticulate venation in the leaves.
(vi) Three plants having parallel venation in the leaves.