EASY
Earn 100

Define sheathing leaf base.

Important Questions on Morphology of Flowering Plants

MEDIUM
In a sessile leaf, the base of leaf lamina is attached to the petiole.
EASY
In some _______, the leaf base may become swollen and is called as _______.
EASY

Draw a diagram of a leaf and label the following parts.

(i) Petiole

(ii) Base of leaf lamina

MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

EASY
The given figure represents the V.S. of bulb of Allium cepa . Identify the different parts and select the correct option.
Question Image
MEDIUM

Study the following lists:

  List-I   List-II
A Entire leaf modified into a spine (I) Clematis
B Leaf except stipules modified into a tendril (II) Citrus
C Stipules modified into a tendril (III) Euphorbia
D First leaf of axillary bud modified into a spine (IV) Lathyrus
    (V) Smilax

The correct match is

EASY
The presence of sheathing leaf base covering the stem partially or wholly is the characteristic of certain
MEDIUM
In bananas, the true stem is underground. The stem-like structure outside soil is formed by:
EASY

The leaf base is swollen to form __A__ in some __B__.

EASY
Which part of leaf is sensitive to sleep and shock movements?